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hbase/CHANGES.md

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HBASE Changelog

Release 2.5.0 - Unreleased (as of 2022-06-01)

NEW FEATURES:

JIRA Summary Priority Component
HBASE-26342 Support custom paths of independent configuration and pool for hfile cleaner Major master
HBASE-27018 Add a tool command list_liveservers Major .
HBASE-26617 Use spotless to reduce the pain on fixing checkstyle issues Major build, community
HBASE-26959 Brotli compression support Minor .
HBASE-25865 Visualize current state of region assignment Blocker master, Operability, Usability
HBASE-26703 Allow configuration of IPC queue balancer Minor .
HBASE-26576 Allow Pluggable Queue to belong to FastPath or normal Balanced Executor Minor regionserver, rpc
HBASE-26347 Support detect and exclude slow DNs in fan-out of WAL Major wal
HBASE-26284 Add HBase Thrift API to get all table names along with whether it is enabled or not Major Thrift
HBASE-26141 Add tracing support for HTable and sync connection on branch-2 Major tracing
HBASE-6908 Pluggable Call BlockingQueue for HBaseServer Major IPC/RPC
HBASE-25841 Add basic jshell support Minor shell, Usability
HBASE-25756 Support alternate compression for major and minor compactions Minor Compaction
HBASE-25751 Add writable TimeToPurgeDeletes to ScanOptions Major .
HBASE-25665 Disable reverse DNS lookup for SASL Kerberos client connection Major .
HBASE-25587 [hbck2] Schedule SCP for all unknown servers Major hbase-operator-tools, hbck2
HBASE-25460 Expose drainingServers as cluster metric Major metrics
HBASE-25496 add get_namespace_rsgroup command Major .
HBASE-24620 Add a ClusterManager which submits command to ZooKeeper and its Agent which picks and execute those Commands. Major integration tests

IMPROVEMENTS:

JIRA Summary Priority Component
HBASE-26320 Separate Log Cleaner DirScanPool to prevent the OLDWALs from filling up the disk when archive is large Major Operability
HBASE-27043 Let lock wait timeout to improve performance of SnapshotHFileCleaner Major snapshots
HBASE-25465 Use javac --release option for supporting cross version compilation Minor create-release
HBASE-27013 Introduce read all bytes when using pread for prefetch Major HFile, Performance
HBASE-27003 Optimize log format for PerformanceEvaluation Minor .
HBASE-26990 Add default implementation for BufferedMutator interface setters Minor .
HBASE-26419 Tracing Spans of RPCs should follow otel semantic conventions Blocker tracing
HBASE-26961 cache region locations when getAllRegionLocations() for branch-2.4+ Minor Client
HBASE-26975 Add on heap and off heap memstore info in rs web UI Minor UI
HBASE-26980 Update javadoc of BucketCache.java Trivial documentation
HBASE-26971 SnapshotInfo --snapshot param is marked as required even when trying to list all snapshots Minor .
HBASE-26807 Unify CallQueueTooBigException special pause with CallDroppedException Major .
HBASE-26891 Make MetricsConnection scope configurable Minor .
HBASE-26947 Implement a special TestAppender to limit the size of test output Major logging, test
HBASE-26618 Involving primary meta region in meta scan with CatalogReplicaLoadBalanceSimpleSelector Minor meta replicas
HBASE-26885 The TRSP should not go on when it get a bogus server name from AM Major proc-v2
HBASE-26872 Load rate calculator for cost functions should be more precise Major Balancer
HBASE-26832 Avoid repeated releasing of flushed wal entries in AsyncFSWAL#syncCompleted Major wal
HBASE-26878 TableInputFormatBase should cache RegionSizeCalculator Minor .
HBASE-26175 MetricsHBaseServer should record all kinds of Exceptions Minor metrics
HBASE-21065 Try ROW_INDEX_V1 encoding on meta table (fix bloomfilters on meta while we are at it) Major meta, Performance
HBASE-26858 Refactor TestMasterRegionOnTwoFileSystems to avoid dead loop Major test
HBASE-26833 Avoid waiting to clear buffer usage of ReplicationSourceShipper when aborting the RS Major regionserver, Replication
HBASE-26848 Set java.io.tmpdir on mvn command when running jenkins job Major jenkins, test
HBASE-26828 Increase the concurrency when running UTs in pre commit job Major jenkins, test
HBASE-26680 Close and do not write trailer for the broken WAL writer Major wal
HBASE-26720 ExportSnapshot should validate the source snapshot before copying files Major snapshots
HBASE-26275 update error message when executing deleteall with ROWPREFIXFILTER in meta table Minor shell
HBASE-26835 Rewrite TestLruAdaptiveBlockCache to make it more stable Major test
HBASE-26830 Rewrite TestLruBlockCache to make it more stable Major test
HBASE-26814 Default StoreHotnessProtector to off, with logs to guide when to turn it on Major .
HBASE-26784 Use HIGH_QOS for ResultScanner.close requests Major .
HBASE-26552 Introduce retry to logroller to avoid abort Major wal
HBASE-26792 Implement ScanInfo#toString Minor regionserver
HBASE-26731 Metrics for tracking of active scanners Minor .
HBASE-26789 Automatically add default security headers to http/rest if SSL enabled Major REST, UI
HBASE-26765 Minor refactor of async scanning code Major .
HBASE-26659 The ByteBuffer of metadata in RAMQueueEntry in BucketCache could be reused. Major BucketCache, Performance
HBASE-26730 Extend hbase shell 'status' command to support an option 'tasks' Minor Operability, shell
HBASE-26709 Ban the usage of junit 3 TestCase Major test
HBASE-26724 Backport the UT changes in HBASE-24510 to branch-2.x Major test
HBASE-26702 Make ageOfLastShip, ageOfLastApplied extend TimeHistogram instead of plain histogram. Minor metrics, Replication
HBASE-26726 Allow disable of region warmup before graceful move Minor master, Region Assignment
HBASE-26657 ProfileServlet should move the output location to hbase specific directory Minor .
HBASE-26590 Hbase-client Meta lookup performance regression between hbase-1 and hbase-2 Major meta
HBASE-26567 Remove IndexType from ChunkCreator Major in-memory-compaction
HBASE-26641 Split TestMasterFailoverWithProcedures Major proc-v2, test
HBASE-26629 Add expiration for long time vacant scanners in Thrift2 Major Performance, Thrift
HBASE-26638 Cherry-pick the ReflectionUtils improvements in HBASE-21515 to branch-2 Major util
HBASE-26635 Optimize decodeNumeric in OrderedBytes Major Performance
HBASE-26623 Report CallDroppedException in exception metrics Minor IPC/RPC, metrics, rpc
HBASE-26609 Round the size to MB or KB at the end of calculation in HRegionServer.createRegionLoad Major regionserver
HBASE-26598 Fix excessive connections in MajorCompactor Major Compaction, tooling
HBASE-26579 Set storage policy of recovered edits when wal storage type is configured Major Recovery
HBASE-26601 maven-gpg-plugin failing with "Inappropriate ioctl for device" Major build
HBASE-26556 IT and Chaos Monkey improvements Minor integration tests
HBASE-25547 Thread pools should release unused resources Minor master, regionserver
HBASE-26525 Use unique thread name for group WALs Major wal
HBASE-26517 Add auth method information to AccessChecker audit log Trivial security
HBASE-26512 Make timestamp format configurable in HBase shell scan output Major shell
HBASE-26485 Introduce a method to clean restore directory after Snapshot Scan Minor snapshots
HBASE-26479 Print too slow/big scan's operation_id in region server log Minor regionserver, scan
HBASE-26475 The flush and compact methods in HTU should skip processing secondary replicas Major test
HBASE-26249 Ameliorate compaction made by bulk-loading files Major .
HBASE-26421 Use HFileLink file to replace entire file‘s reference when splitting Major .
HBASE-26267 Master initialization fails if Master Region WAL dir is missing Major master
HBASE-26446 CellCounter should report serialized cell size counts too Minor .
HBASE-26432 Add tracing support in hbase shell Minor shell, tracing
HBASE-26337 Optimization for weighted random generators Major Balancer
HBASE-26363 OpenTelemetry configuration support for per-process service names Major tracing
HBASE-26309 Balancer tends to move regions to the server at the end of list Major Balancer
HBASE-26305 Move NavigableSet add operation to writer thread in BucketCache Minor BucketCache, Performance
HBASE-26251 StochasticLoadBalancer metrics should update even if balancer doesn't run Minor Balancer
HBASE-26270 Provide getConfiguration method for Region and Store interface Minor .
HBASE-26273 TableSnapshotInputFormat/TableSnapshotInputFormatImpl should use ReadType.STREAM for scanning HFiles Major mapreduce
HBASE-26276 Allow HashTable/SyncTable to perform rawScan when comparing cells Major .
HBASE-26229 Limit count and size of L0 files compaction in StripeCompactionPolicy Major Compaction
HBASE-26243 Fix typo for file 'hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java' Trivial .
HBASE-25773 TestSnapshotScannerHDFSAclController.setupBeforeClass is flaky Major .
HBASE-26147 Add dry run mode to hbase balancer Major Balancer, master
HBASE-25642 Fix or stop warning about already cached block Major BlockCache, Operability, regionserver
HBASE-26212 Allow AuthUtil automatic renewal to be disabled Minor Client, security
HBASE-26187 Write straight into the store directory when Splitting and Merging Major .
HBASE-26193 Do not store meta region location as permanent state on zookeeper Major meta, Zookeeper
HBASE-24652 master-status UI make date type fields sortable Minor master, Operability, UI, Usability
HBASE-25680 Non-idempotent test in TestReplicationHFileCleaner Minor test
HBASE-26179 TestRequestTooBigException spends too much time to finish Major test
HBASE-26160 Configurable disallowlist for live editing of loglevels Minor .
HBASE-25469 Add detailed RIT info in JSON format for consumption as metrics Minor master
HBASE-26154 Provide exception metric for quota exceeded and throttling Minor .
HBASE-26144 The HStore.snapshot method is never called in main code Major regionserver
HBASE-26105 Rectify the expired TODO comment in CombinedBC Trivial BlockCache
HBASE-26146 Allow custom opts for hbck in hbase bin Minor .
HBASE-26118 The HStore.commitFile and HStore.moveFileIntoPlace almost have the same logic Major Compaction, regionserver
HBASE-26119 Polish TestAsyncNonMetaRegionLocator Major meta replicas, test
HBASE-21946 Use ByteBuffer pread instead of byte[] pread in HFileBlock when applicable Critical Offheaping
HBASE-26025 Add a flag to mark if the IOError can be solved by retry in thrift IOError Major Thrift
HBASE-25986 Expose the NORMALIZARION_ENABLED table descriptor through a property in hbase-site Minor Normalizer
HBASE-25700 Enhance znode parent validation when add_peer Minor Replication
HBASE-26069 Remove HStore.compactRecentForTestingAssumingDefaultPolicy and DefaultCompactor.compactForTesting Major Compaction, test
HBASE-26065 StripeStoreFileManager does not need to throw IOException for most methods Major Compaction, HFile
HBASE-25914 Provide slow/large logs on RegionServer UI Major regionserver, UI
HBASE-26012 Improve logging and dequeue logic in DelayQueue Minor .
HBASE-26020 Split TestWALEntryStream.testDifferentCounts out Major Replication, test
HBASE-25937 Clarify UnknownRegionException Minor Client
HBASE-25998 Revisit synchronization in SyncFuture Major Performance, regionserver, wal
HBASE-26000 Optimize the display of ZK dump in the master web UI Minor .
HBASE-25995 Change the method name for DoubleArrayCost.setCosts Major Balancer
HBASE-26002 MultiRowMutationEndpoint should return the result of the conditional update Major Coprocessors
HBASE-25993 Make excluded SSL cipher suites configurable for all Web UIs Major .
HBASE-25987 Make SSL keystore type configurable for HBase ThriftServer Major Thrift
HBASE-25666 Explain why balancer is skipping runs Major Balancer, master, UI
HBASE-25942 Get rid of null regioninfo in wrapped connection exceptions Trivial logging
HBASE-25745 Deprecate/Rename config `hbase.normalizer.min.region.count` to `hbase.normalizer.merge.min.region.count` Minor master, Normalizer
HBASE-25908 Exclude jakarta.activation-api Major hadoop3, shading
HBASE-25933 Log trace raw exception, instead of cause message in NettyRpcServerRequestDecoder Minor .
HBASE-25534 Honor TableDescriptor settings earlier in normalization Major Normalizer
HBASE-25906 UI of master-status to show recent history of balancer desicion Major Balancer, master, UI
HBASE-25899 Improve efficiency of SnapshotHFileCleaner Major master
HBASE-25682 Add a new command to update the configuration of all RSs in a RSGroup Major Admin, shell
HBASE-25032 Do not assign regions to region server which has not called regionServerReport yet Major .
HBASE-25860 Add metric for successful wal roll requests. Major metrics, wal
HBASE-25754 StripeCompactionPolicy should support compacting cold regions Minor Compaction
HBASE-25766 Introduce RegionSplitRestriction that restricts the pattern of the split point Major .
HBASE-25798 typo in MetricsAssertHelper Minor .
HBASE-25770 Http InfoServers should honor gzip encoding when requested Major UI
HBASE-25776 Use Class.asSubclass to fix the warning in StochasticLoadBalancer.loadCustomCostFunctions Minor Balancer
HBASE-25767 CandidateGenerator.getRandomIterationOrder is too slow on large cluster Major Balancer, Performance
HBASE-25762 Improvement for some debug-logging guards Minor logging, Performance
HBASE-25653 Add units and round off region size to 2 digits after decimal Major master, Normalizer
HBASE-25482 Improve SimpleRegionNormalizer#getAverageRegionSizeMb Minor Normalizer
HBASE-25759 The master services field in LocalityBasedCostFunction is never used Major Balancer
HBASE-25744 Change default of `hbase.normalizer.merge.min_region_size.mb` to `0` Major master, Normalizer
HBASE-25747 Remove unused getWriteAvailable method in OperationQuota Minor Quotas
HBASE-25558 Adding audit log for execMasterService Major .
HBASE-25703 Support conditional update in MultiRowMutationEndpoint Major Coprocessors
HBASE-25686 [hbtop] Add some javadoc Minor hbtop
HBASE-25627 HBase replication should have a metric to represent if the source is stuck getting initialized Major Replication
HBASE-25688 Use CustomRequestLog instead of Slf4jRequestLog for jetty Major logging, UI
HBASE-25678 Support nonce operations for Increment/Append in RowMutations and CheckAndMutate Major .
HBASE-25679 Size of log queue metric is incorrect in branch-1/branch-2 Major .
HBASE-25518 Support separate child regions to different region servers Major .
HBASE-25643 The delayed FlushRegionEntry should be removed when we need a non-delayed one Major regionserver
HBASE-25621 Balancer should check region plan source to avoid misplace region groups Major Balancer
HBASE-25374 Make REST Client connection and socket time out configurable Minor REST
HBASE-25597 Add row info in Exception when cell size exceeds maxCellSize Minor .
HBASE-25660 Print split policy in use on Region open (as well as split policy vitals) Trivial .
HBASE-25635 CandidateGenerator may miss some region balance actions Major Balancer
HBASE-25622 Result#compareResults should compare tags. Major Client
HBASE-25570 On largish cluster, "CleanerChore: Could not delete dir..." makes master log unreadable Major .
HBASE-25566 RoundRobinTableInputFormat Major mapreduce
HBASE-25636 Expose HBCK report as metrics Minor metrics
HBASE-25548 Optionally allow snapshots to preserve cluster's max filesize config by setting it into table descriptor Major .
HBASE-25582 Support setting scan ReadType to be STREAM at cluster level Major .
HBASE-23578 [UI] Master UI shows long stack traces when table is broken Minor master, UI
HBASE-25637 Rename method completeCompaction to refreshStoreSizeCount Minor .
HBASE-25492 Create table with rsgroup info in branch-2 Major rsgroup
HBASE-25603 Add switch for compaction after bulkload Major Compaction
HBASE-25539 Add metric for age of oldest wal. Major metrics, regionserver
HBASE-25574 Revisit put/delete/increment/append related RegionObserver methods Major Coprocessors
HBASE-25541 In WALEntryStream, set the current path to null while dequeing the log Major .
HBASE-23887 New L1 cache : AdaptiveLRU Major BlockCache, Performance
HBASE-25364 Redo the getMidPoint() in HFileWriterImpl to get rid of the double comparison process Minor .
HBASE-25519 BLOCKSIZE needs to support pretty print Major .
HBASE-24772 Use GetoptLong or OptionParser in hbase-shell Minor shell
HBASE-25542 Add client detail to scan name so when lease expires, we have clue on who was scanning Major scan
HBASE-25553 It is better for ReplicationTracker.getListOfRegionServers to return ServerName instead of String Major .
HBASE-25528 Dedicated merge dispatch threadpool on master Minor master
HBASE-25536 Remove 0 length wal file from logQueue if it belongs to old sources. Major Replication
HBASE-25329 Dump region hashes in logs for the regions that are stuck in transition for more than a configured amount of time Minor .
HBASE-25475 Improve unit test for HBASE-25445 : SplitWALRemoteProcedure failed to archive split WAL Minor wal
HBASE-25431 MAX_FILESIZE and MEMSTORE_FLUSHSIZE should not be set negative number Major .
HBASE-25439 Add BYTE unit in PrettyPrinter.Unit Major .
HBASE-25249 Adding StoreContext Major .
HBASE-23340 hmaster /hbase/replication/rs session expired (hbase replication default value is true, we don't use ) causes logcleaner can not clean oldWALs, which resulits in oldWALs too large (more than 2TB) Major master
HBASE-25449 'dfs.client.read.shortcircuit' should not be set in hbase-default.xml Major conf
HBASE-25476 Enable error prone check in pre commit Major build
HBASE-25211 Rack awareness in region_mover Major .
HBASE-25483 set the loadMeta log level to debug. Major MTTR, Region Assignment
HBASE-25471 Move RegionScannerImpl out of HRegion Major regionserver
HBASE-25458 HRegion methods cleanup Major regionserver
HBASE-25435 Slow metric value can be configured Minor metrics
HBASE-25318 Configure where IntegrationTestImportTsv generates HFiles Minor integration tests
HBASE-25450 The parameter "hbase.bucketcache.size" is misdescribed Major conf
HBASE-24751 Display Task completion time and/or processing duration on Web UI Minor UI
HBASE-25379 Make retry pause time configurable for regionserver short operation RPC (reportRegionStateTransition/reportProcedureDone) Minor regionserver
HBASE-24850 CellComparator perf improvement Critical Performance, scan
HBASE-25443 Improve the experience of using the Master webpage by change the loading process of snapshot list to asynchronous Minor master, UI
HBASE-25425 Some notes on RawCell Trivial .
HBASE-25084 RegexStringComparator in ParseFilter should support case-insensitive regexes Major Thrift
HBASE-25420 Some minor improvements in rpc implementation Minor rpc
HBASE-25246 Backup/Restore hbase cell tags. Major backup&restore
HBASE-25363 Improve performance of HFileLinkCleaner by using ReadWriteLock instead of synchronize Major master
HBASE-25328 Add builder method to create Tags. Minor .
HBASE-25187 Improve SizeCachedKV variants initialization Minor .
HBASE-23303 Add security headers to REST server/info page Major REST

BUG FIXES:

JIRA Summary Priority Component
HBASE-27081 Fix disallowed compatibility breaks on branch-2.5 and branch-2 Blocker .
HBASE-27079 Lower some DEBUG level logs in ReplicationSourceWALReader to TRACE Minor .
HBASE-27068 NPE occurs when the active master has not yet been elected Major .
HBASE-27064 CME in TestRegionNormalizerWorkQueue Minor test
HBASE-27069 Hbase SecureBulkload permission regression Major .
HBASE-27066 The Region Visualizer display failed Major .
HBASE-27065 Build against Hadoop 3.3.3 Major build
HBASE-26854 Shell startup logs a bunch of noise Major .
HBASE-27061 two phase bulkload is broken when SFT is in use. Major .
HBASE-27055 Add additional comments when using HBASE_TRACE_OPTS with standalone mode Minor tracing
HBASE-27030 Fix undefined local variable error in draining_servers.rb Major jruby, shell
HBASE-27047 Fix typo for metric drainingRegionServers Minor metrics
HBASE-27027 Deprecated jetty SslContextFactory cause HMaster startup failure due to multiple certificates in KeyStores Major security
HBASE-27032 The draining region servers metric description is incorrect Minor .
HBASE-27019 Minor compression performance improvements Trivial .
HBASE-26905 ReplicationPeerManager#checkPeerExists should throw ReplicationPeerNotFoundException if peer doesn't exists Major Replication
HBASE-27021 StoreFileInfo should set its initialPath in a consistent way Major .
HBASE-26994 MasterFileSystem create directory without permission check Major master
HBASE-26963 ReplicationSource#removePeer hangs if we try to remove bad peer. Major regionserver, Replication
HBASE-27000 Block cache stats (Misses Caching) display error in RS web UI Major .
HBASE-26984 Chaos Monkey thread dies in ITBLL Chaos GracefulRollingRestartRsAction Major integration tests
HBASE-26992 Brotli compressor has unexpected behavior during reinitialization Minor .
HBASE-26988 Balancer should reset to default setting for hbase.master.loadbalance.bytable if dynamically reloading configuration Minor Balancer
HBASE-26917 Do not add --threads when running 'mvn site' Major build, scripts
HBASE-22349 Stochastic Load Balancer skips balancing when node is replaced in cluster Major Balancer
HBASE-26979 StoreFileListFile logs frequent stacktraces at INFO level Minor .
HBASE-26941 LocalHBaseCluster.waitOnRegionServer should not call join while interrupted Critical test
HBASE-26938 Compaction failures after StoreFileTracker integration Blocker Compaction
HBASE-26944 Possible resource leak while creating new region scanner Major .
HBASE-26895 on hbase shell, 'delete/deleteall' for a columnfamily is not working Major shell
HBASE-26901 delete with null columnQualifier occurs NullPointerException when NewVersionBehavior is on Major Deletes, Scanners
HBASE-26880 Misspelling commands in hbase shell will crash the shell Minor shell
HBASE-26939 Typo in admin.rb "COMPRESSION_COMPACT_MAJPR" Trivial .
HBASE-26924 [Documentation] Fix log parameter error and spelling error Trivial logging
HBASE-26811 Secondary replica may be disabled for read incorrectly forever Major read replicas
HBASE-26812 ShortCircuitingClusterConnection fails to close RegionScanners when making short-circuited calls Critical .
HBASE-26838 Junit jar is not included in the hbase tar ball, causing issues for some hbase tools that do rely on it Major integration tests, tooling
HBASE-26871 shaded mapreduce and shaded byo-hadoop client artifacts contains no classes Blocker integration tests, jenkins, mapreduce
HBASE-26896 list_quota_snapshots fails with ‘ERROR NameError: uninitialized constant Shell::Commands::ListQuotaSnapshots::TABLE’ Major shell
HBASE-26718 HFileArchiver can remove referenced StoreFiles from the archive Major Compaction, HFile, snapshots
HBASE-26864 SplitTableRegionProcedure calls openParentRegions() at a wrong state during rollback. Major Region Assignment
HBASE-26876 Use toStringBinary for rowkey in RegionServerCallable error string Minor .
HBASE-26875 RpcRetryingCallerImpl translateException ignores return value of recursive call Minor .
HBASE-26869 RSRpcServices.scan should deep clone cells when RpcCallContext is null Major regionserver
HBASE-26870 Log4j2 integration is incorrect in nighly's client integration test Critical jenkins, logging
HBASE-26840 Fix NPE in the retry of logroller Minor wal
HBASE-26670 HFileLinkCleaner should be added even if snapshot is disabled Critical snapshots
HBASE-26761 TestMobStoreScanner (testGetMassive) can OOME Minor mob, test
HBASE-26816 Fix CME in ReplicationSourceManager Minor Replication
HBASE-26715 Blocked on SyncFuture in AsyncProtobufLogWriter#write Major .
HBASE-26804 Missing opentelemetry agent in hadoop-two-compat.xml Blocker tracing
HBASE-26815 TestFanOutOneBlockAsyncDFSOutput is flakey Major test
HBASE-26783 ScannerCallable doubly clears meta cache on retries Major .
HBASE-25709 Close region may stuck when region is compacting and skipped most cells read Major Compaction
HBASE-26777 BufferedDataBlockEncoder$OffheapDecodedExtendedCell.deepClone throws UnsupportedOperationException Major regionserver
HBASE-26745 MetricsStochasticBalancerSource metrics don't render in /jmx endpoint Minor .
HBASE-26776 RpcServer failure to SASL handshake always logs user "unknown" to audit log Major security
HBASE-26772 Shell suspended in background Minor shell
HBASE-26767 Rest server should not use a large Header Cache. Major REST
HBASE-26546 hbase-shaded-client missing required thirdparty classes under hadoop 3.3.1 Major Client, hadoop3, shading
HBASE-26727 Fix CallDroppedException reporting Minor .
HBASE-26712 Balancer encounters NPE in rare case Major .
HBASE-26742 Comparator of NOT_EQUAL NULL is invalid for checkAndMutate Major .
HBASE-26688 Threads shared EMPTY_RESULT may lead to unexpected client job down. Major Client
HBASE-26741 Incorrect exception handling in shell Critical shell
HBASE-26729 Backport "HBASE-26714 Introduce path configuration for system coprocessors" to branch-2 Major Coprocessors
HBASE-26713 Increments submitted by 1.x clients will be stored with timestamp 0 on 2.x+ clusters Major .
HBASE-26679 Wait on the future returned by FanOutOneBlockAsyncDFSOutput.flush would stuck Critical wal
HBASE-26662 User.createUserForTesting should not reset UserProvider.groups every time if hbase.group.service.for.test.only is true Major .
HBASE-26671 Misspellings of hbck usage Minor hbck
HBASE-26469 correct HBase shell exit behavior to match code passed to exit Critical shell
HBASE-26543 correct parsing of hbase shell args with GetoptLong Blocker shell
HBASE-26643 LoadBalancer should not return empty map Critical proc-v2, Region Assignment, test
HBASE-26646 WALPlayer should obtain token from filesystem Minor .
HBASE-26494 Using RefCnt to fix the flawed MemStoreLABImpl Major regionserver
HBASE-26625 ExportSnapshot tool failed to copy data files for tables with merge region Minor .
HBASE-26615 Snapshot referenced data files are deleted when delete a table with merge regions Major .
HBASE-26613 The logic of the method incrementIV in Encryption class has problem Major Performance, security
HBASE-26488 Memory leak when MemStore retry flushing Major regionserver
HBASE-26340 TableSplit returns false size under 1MB Major mapreduce, regionserver
HBASE-26537 FuzzyRowFilter backwards compatibility Major .
HBASE-26550 Make sure the master is running normally before accepting a balance command Minor Balancer, master
HBASE-26541 hbase-protocol-shaded not buildable on M1 MacOSX Major .
HBASE-26527 ArrayIndexOutOfBoundsException in KeyValueUtil.copyToNewKeyValue() Major wal
HBASE-26462 Should persist restoreAcl flag in the procedure state for CloneSnapshotProcedure and RestoreSnapshotProcedure Critical proc-v2, snapshots
HBASE-26535 [site, branch-2] DependencyManagement report is broken Blocker build, pom
HBASE-26533 KeyValueScanner might not be properly closed when using InternalScan.checkOnlyMemStore() Minor .
HBASE-26482 HMaster may clean wals that is replicating in rare cases Critical Replication
HBASE-26468 Region Server doesn't exit cleanly incase it crashes. Major regionserver
HBASE-25905 Shutdown of WAL stuck at waitForSafePoint Blocker regionserver, wal
HBASE-26455 TestStochasticLoadBalancerRegionReplicaWithRacks fails consistently Major Balancer
HBASE-26450 Server configuration will overwrite HStore configuration after using shell command 'update_config' Minor Compaction, conf, regionserver
HBASE-26476 Make DefaultMemStore extensible for HStore.memstore Major regionserver
HBASE-26465 MemStoreLAB may be released early when its SegmentScanner is scanning Critical regionserver
HBASE-26467 Wrong Cell Generated by MemStoreLABImpl.forceCopyOfBigCellInto when Cell size bigger than data chunk size Critical in-memory-compaction
HBASE-26463 Unreadable table names after HBASE-24605 Trivial UI
HBASE-26438 Fix flaky test TestHStore.testCompactingMemStoreCellExceedInmemoryFlushSize Major test
HBASE-26436 check-aggregate-license error related to javadns after HADOOP-17317 Major build, hadoop3
HBASE-26311 Balancer gets stuck in cohosted replica distribution Major Balancer
HBASE-26384 Segment already flushed to hfile may still be remained in CompactingMemStore Major in-memory-compaction
HBASE-26414 Tracing INSTRUMENTATION_NAME is incorrect Blocker tracing
HBASE-26410 Fix HBase TestCanaryTool for Java17 Major java
HBASE-26429 HeapMemoryManager fails memstore flushes with NPE if enabled Major Operability, regionserver
HBASE-26404 Update javadoc for CellUtil#createCell with tags methods. Major .
HBASE-26398 CellCounter fails for large tables filling up local disk Minor mapreduce
HBASE-26190 High rate logging of BucketAllocatorException: Allocation too big Major BucketCache, Operability
HBASE-26392 Update ClassSize.BYTE_BUFFER for JDK17 Major java, util
HBASE-26394 Cache in RSRpcServices.executeProcedures does not take effect Major .
HBASE-26385 Clear CellScanner when replay Major regionserver, rpc
HBASE-26383 HBCK incorrectly reports inconsistencies for recently split regions following a master failover Critical master
HBASE-26371 Prioritize meta region move over other region moves in region_mover Major .
HBASE-26361 Enable OpenTelemetry to be used from developer sandbox Major tracing
HBASE-26364 TestThriftServer is failing 100% in our flaky test job Major test, Thrift
HBASE-26350 Missing server side debugging on failed SASL handshake Minor .
HBASE-26344 Fix Bug for MultiByteBuff.put(int, byte) Major .
HBASE-26312 Shell scan fails with timestamp Major shell, test
HBASE-24601 Change default Hfile storage policy from HOT to NONE for HDFS Major HFile
HBASE-26295 BucketCache could not free BucketEntry which restored from persistence file Major BucketCache
HBASE-26289 Hbase scan setMaxResultsPerColumnFamily not giving right results Major regionserver
HBASE-26299 Fix TestHTableTracing.testTableClose for nightly build of branch-2 Major test, tracing
HBASE-26238 OOME in VerifyReplication for the table contains rows with 10M+ cells Major Client, Replication
HBASE-26297 Balancer run is improperly triggered by accuracy error of double comparison Major Balancer
HBASE-26178 Improve data structure and algorithm for BalanceClusterState to improve computation speed for large cluster Major Balancer, Performance
HBASE-26274 Create an option to reintroduce BlockCache to mapreduce job Major BlockCache, HFile, mapreduce
HBASE-26261 Store configuration loss when use update_config Minor .
HBASE-26281 DBB got from BucketCache would be freed unexpectedly before RPC completed Critical BucketCache
HBASE-26197 Fix some obvious bugs in MultiByteBuff.put Major .
HBASE-26106 AbstractFSWALProvider#getArchivedLogPath doesn't look for wal file in all oldWALs directory. Critical wal
HBASE-26205 TableMRUtil#initCredentialsForCluster should use specified conf for UserProvider Major mapreduce
HBASE-26210 HBase Write should be doomed to hang when cell size exceeds InmemoryFlushSize for CompactingMemStore Critical in-memory-compaction
HBASE-26244 Avoid trim the error stack trace when running UT with maven Major .
HBASE-25588 Excessive logging of "hbase.zookeeper.useMulti is deprecated. Default to true always." Minor logging, Operability, Replication
HBASE-26232 SEEK_NEXT_USING_HINT is ignored on reversed Scans Critical Filters, scan
HBASE-26204 VerifyReplication should obtain token for peerQuorumAddress too Major .
HBASE-26219 Negative time is logged while waiting on regionservers Trivial .
HBASE-26087 JVM crash when displaying RPC params by MonitoredRPCHandler Major UI
HBASE-24570 connection#close throws NPE Minor Client
HBASE-26200 Undo 'HBASE-25165 Change 'State time' in UI so sorts (#2508)' in favor of HBASE-24652 Major UI
HBASE-26196 Support configuration override for remote cluster of HFileOutputFormat locality sensitive Major mapreduce
HBASE-26026 HBase Write may be stuck forever when using CompactingMemStore Critical in-memory-compaction
HBASE-26155 JVM crash when scan Major Scanners
HBASE-26176 Correct regex in hbase-personality.sh Minor build
HBASE-26142 NullPointerException when set 'hbase.hregion.memstore.mslab.indexchunksize.percent' to zero Critical .
HBASE-25651 NORMALIZER_TARGET_REGION_SIZE needs a unit in its name Major Normalizer
HBASE-26166 table list in master ui has a minor bug Minor UI
HBASE-26114 when “hbase.mob.compaction.threads.max” is set to a negative number, HMaster cannot start normally Minor master
HBASE-26120 New replication gets stuck or data loss when multiwal groups more than 10 Critical Replication
HBASE-26001 When turn on access control, the cell level TTL of Increment and Append operations is invalid. Minor Coprocessors
HBASE-24984 WAL corruption due to early DBBs re-use when Durability.ASYNC_WAL is used with multi operation Critical rpc, wal
HBASE-26088 conn.getBufferedMutator(tableName) leaks thread executors and other problems Critical Client
HBASE-25973 Balancer should explain progress in a better way in log Major Balancer
HBASE-26086 TestHRegionReplayEvents do not pass in branch-2 and throws NullPointerException Minor .
HBASE-26036 DBB released too early and dirty data for some operations Critical rpc
HBASE-26068 The last assertion in TestHStore.testRefreshStoreFilesNotChanged is wrong Major test
HBASE-22923 hbase:meta is assigned to localhost when we downgrade the hbase version Major .
HBASE-26063 The current checkcompatibility.py script can not compare master and rel/2.0.0 Blocker scripts
HBASE-26030 hbase-cleanup.sh did not clean the wal dir if hbase.wal.dir configured individually Major scripts
HBASE-26035 Redundant null check in the compareTo function Minor metrics, Performance
HBASE-25902 Add missing CFs in meta during HBase 1 to 2.3+ Upgrade Critical meta, Operability
HBASE-26028 The view as json page shows exception when using TinyLfuBlockCache Major UI
HBASE-26029 It is not reliable to use nodeDeleted event to track region server's death Critical Replication, Zookeeper
HBASE-26039 TestReplicationKillRS is useless after HBASE-23956 Major Replication, test
HBASE-25980 Master table.jsp pointed at meta throws 500 when no all replicas are online Major master, meta replicas, UI
HBASE-26013 Get operations readRows metrics becomes zero after HBASE-25677 Minor metrics
HBASE-25966 Fix typo in NOTICE.vm Major build, community
HBASE-25877 Add access check for compactionSwitch Major security
HBASE-25698 Persistent IllegalReferenceCountException at scanner open when using TinyLfuBlockCache Major BucketCache, HFile, Scanners
HBASE-25984 FSHLog WAL lockup with sync future reuse [RS deadlock] Critical regionserver, wal
HBASE-25994 Active WAL tailing fails when WAL value compression is enabled Major .
HBASE-25924 Seeing a spike in uncleanlyClosedWALs metric. Major Replication, wal
HBASE-25967 The readRequestsCount does not calculate when the outResults is empty Major metrics
HBASE-25981 JVM crash when displaying regionserver UI Major rpc, UI
HBASE-25930 Thrift does not support requests in Kerberos environment Major Thrift
HBASE-25929 RegionServer JVM crash when compaction Critical Compaction
HBASE-25932 TestWALEntryStream#testCleanClosedWALs test is failing. Major metrics, Replication, wal
HBASE-25903 ReadOnlyZKClient APIs - CompletableFuture.get() calls can cause threads to hang forver when ZK client create throws Non IOException Major .
HBASE-25927 Fix the log messages by not stringifying the exceptions in log Minor logging
HBASE-25938 The SnapshotOfRegionAssignmentFromMeta.initialize call in FavoredNodeLoadBalancer is just a dummy one Major Balancer, FavoredNodes
HBASE-25861 Correct the usage of Configuration#addDeprecation Major .
HBASE-25928 TestHBaseConfiguration#testDeprecatedConfigurations is broken with Hadoop 3.3 Major .
HBASE-25898 RS getting aborted due to NPE in Replication WALEntryStream Critical Replication
HBASE-25875 RegionServer failed to start due to IllegalThreadStateException in AuthenticationTokenSecretManager.start Major .
HBASE-25513 When the table is turned on normalize, the first region may not be merged even the size is 0 Major Normalizer
HBASE-25892 'False' should be 'True' in auditlog of listLabels Major logging, security
HBASE-25817 Memory leak from thrift server hashMap Minor Thrift
HBASE-25869 WAL value compression Major Operability, wal
HBASE-25827 Per Cell TTL tags get duplicated with increments causing tags length overflow Critical regionserver
HBASE-25897 TestRetainAssignmentOnRestart is flaky after HBASE-25032 Major Region Assignment
HBASE-25867 Extra doc around ITBLL Minor documentation
HBASE-25859 Reference class incorrectly parses the protobuf magic marker Minor regionserver
HBASE-25774 ServerManager.getOnlineServer may miss some region servers when refreshing state in some procedure implementations Critical Replication
HBASE-25837 TestRollingRestart is flaky Major test
HBASE-25850 Fix spotbugs warnings on branch-2 Major Compaction, findbugs, mob
HBASE-25825 RSGroupBasedLoadBalancer.onConfigurationChange should chain the request to internal balancer Major Balancer
HBASE-25792 Filter out o.a.hadoop.thirdparty building shaded jars Major shading
HBASE-25777 Fix wrong initialization value in StressAssignmentManagerMonkeyFactory Major integration tests
HBASE-25735 Add target Region to connection exceptions Major rpc
HBASE-25717 RegionServer aborted due to ClassCastException Major .
HBASE-25743 Retry REQUESTTIMEOUT KeeperExceptions from ZK Major Zookeeper
HBASE-25726 MoveCostFunction is not included in the list of cost functions for StochasticLoadBalancer Major Balancer
HBASE-25692 Failure to instantiate WALCellCodec leaks socket in replication Major Replication
HBASE-25568 Upgrade Thrift jar to fix CVE-2020-13949 Critical Thrift
HBASE-25693 NPE getting metrics from standby masters (MetricsMasterWrapperImpl.getMergePlanCount) Major master
HBASE-25685 asyncprofiler2.0 no longer supports svg; wants html Major .
HBASE-25594 graceful_stop.sh fails to unload regions when ran at localhost Minor .
HBASE-25674 RegionInfo.parseFrom(DataInputStream) sometimes fails to read the protobuf magic marker Minor Client
HBASE-25673 Wrong log regarding current active master at ZKLeaderManager#waitToBecomeLeader Minor .
HBASE-25595 TestLruBlockCache.testBackgroundEvictionThread is flaky Major .
HBASE-25662 Fix spotbugs warning in RoundRobinTableInputFormat Major findbugs
HBASE-25657 Fix spotbugs warnings after upgrading spotbugs to 4.x Major findbugs
HBASE-25646 Possible Resource Leak in CatalogJanitor Major master
HBASE-25626 Possible Resource Leak in HeterogeneousRegionCountCostFunction Major .
HBASE-25644 Scan#setSmall blindly sets ReadType as PREAD Critical .
HBASE-25609 There is a problem with the SPLITS_FILE in the HBase shell statement Minor shell
HBASE-25385 TestCurrentHourProvider fails if the latest timezone changes are not present Blocker .
HBASE-25596 Fix NPE in ReplicationSourceManager as well as avoid permanently unreplicated data due to EOFException from WAL Critical Replication
HBASE-25367 Sort broken after Change 'State time' in UI Major UI
HBASE-25421 There is no limit on the column family length when creating a table Major Client
HBASE-25371 When openRegion fails during initial verification(before initializing and setting seq num), exception is observed during region close. Major Region Assignment
HBASE-25611 ExportSnapshot chmod flag uses value as decimal Major .
HBASE-25586 Fix HBASE-22492 on branch-2 (SASL GapToken) Major rpc
HBASE-25556 Frequent replication "Encountered a malformed edit" warnings Minor Operability, Replication
HBASE-25575 Should validate Puts in RowMutations Minor Client
HBASE-25571 Compilation error in branch-2 after HBASE-25364 Major .
HBASE-25512 May throw StringIndexOutOfBoundsException when construct illegal tablename error Trivial .
HBASE-25560 Remove unused parameter named peerId in the constructor method of CatalogReplicationSourcePeer Major .
HBASE-25543 When configuration "hadoop.security.authorization" is set to false, the system will still try to authorize an RPC and raise AccessDeniedException Minor IPC/RPC
HBASE-25554 NPE when init RegionMover Major .
HBASE-25523 Region normalizer chore thread is getting killed Major Normalizer
HBASE-25533 The metadata of the table and family should not be an empty string Major .
HBASE-25478 Implement retries when enabling tables in TestRegionReplicaReplicationEndpoint Minor .
HBASE-25497 move_namespaces_rsgroup should change hbase.rsgroup.name config in NamespaceDescriptor Major .
HBASE-25356 HBaseAdmin#getRegion() needs to filter out non-regionName and non-encodedRegionName Major shell
HBASE-25279 Non-daemon thread in ZKWatcher Critical Zookeeper
HBASE-25503 HBase code download is failing on windows with invalid path error Major .
HBASE-24813 ReplicationSource should clear buffer usage on ReplicationSourceManager upon termination Major Replication
HBASE-25459 WAL can't be cleaned in some scenes Major .
HBASE-25434 SlowDelete & SlowPut metric value should use updateDelete & updatePut Major regionserver
HBASE-25441 add security check for some APIs in RSRpcServices Critical .
HBASE-25432 we should add security checks for setTableStateInMeta and fixMeta Blocker .
HBASE-25445 Old WALs archive fails in procedure based WAL split Critical wal
HBASE-25287 Forgetting to unbuffer streams results in many CLOSE_WAIT sockets when loading files Major .
HBASE-25447 remoteProc is suspended due to OOM ERROR Major proc-v2
HBASE-24755 [LOG][RSGroup]Error message is confusing while adding a offline RS to rsgroup Major rsgroup
HBASE-25463 Fix comment error Minor shell
HBASE-25457 Possible race in AsyncConnectionImpl between getChoreService and close Major Client
HBASE-25456 setRegionStateInMeta need security check Critical .
HBASE-25383 HBase doesn't update and remove the peer config from hbase.replication.source.custom.walentryfilters if the config is already set on the peer. Major .
HBASE-25404 Procedures table Id under master web UI gets word break to single character Minor UI
HBASE-25277 postScannerFilterRow impacts Scan performance a lot in HBase 2.x Critical Coprocessors, scan
HBASE-25365 The log in move_servers_rsgroup is incorrect Minor .
HBASE-25372 Fix typo in ban-jersey section of the enforcer plugin in pom.xml Major build
HBASE-25361 [Flakey Tests] branch-2 TestMetaRegionLocationCache.testStandByMetaLocations Major flakies
HBASE-25292 Improve InetSocketAddress usage discipline Major Client, HFile

TESTS:

JIRA Summary Priority Component
HBASE-27054 TestStochasticLoadBalancerRegionReplicaLargeCluster.testRegionReplicasOnLargeCluster is flaky Major test
HBASE-27052 TestAsyncTableScanner.testScanWrongColumnFamily is flaky Major test
HBASE-27051 TestReplicationSource.testReplicationSourceInitializingMetric is flaky Minor test
HBASE-27050 Support unit test pattern matching again Minor test
HBASE-26989 TestStochasticLoadBalancer has some slow methods, and inconsistent set, reset, unset of configuration Minor Balancer, test
HBASE-26689 Backport HBASE-24443 Refactor TestCustomSaslAuthenticationProvider Minor test
HBASE-26542 Apply a `package` to test protobuf files Minor Protobufs, test
HBASE-26349 Improve recent change to IntegrationTestLoadCommonCrawl Minor integration tests, test
HBASE-26335 Minor improvements to IntegrationTestLoadCommonCrawl Minor integration tests, test
HBASE-26272 TestTableMapReduceUtil failure in branch-2 Major test
HBASE-26185 Fix TestMaster#testMoveRegionWhenNotInitialized with hbase.min.version.move.system.tables Minor .
HBASE-25910 Fix TestClusterPortAssignment.testClusterPortAssignment test and re-enable it. Minor flakies, test
HBASE-25824 IntegrationTestLoadCommonCrawl Minor integration tests
HBASE-25561 Added ignored test for async connection that runs retries just so can check how long it takes and that retrying is happening Trivial test
HBASE-25334 TestRSGroupsFallback.testFallback is flaky Major .
HBASE-25370 Fix flaky test TestClassFinder#testClassFinderDefaultsToOwnPackage Major test

SUB-TASKS:

JIRA Summary Priority Component
HBASE-26933 Remove all ref guide stuff on branch other than master Major documentation
HBASE-27006 cordon off large ci worker nodes Major .
HBASE-26855 Delete unnecessary dependency on jaxb-runtime jar Major .
HBASE-27024 The User API and Developer API links are broken on hbase.apache.org Major website
HBASE-27045 Disable TestClusterScopeQuotaThrottle Major test
HBASE-26986 Trace a one-shot execution of a Master procedure Major .
HBASE-26999 HStore should try write WAL compaction marker before replacing compacted files in StoreEngine Major .
HBASE-26330 Document new provided compression codecs Blocker .
HBASE-26995 Remove ref guide check in pre commit and nightly for branches other than master Major build, scripts
HBASE-26648 Improve fidelity of RegionLocator spans Major tracing
HBASE-26899 Run spotless:apply Major .
HBASE-26932 Skip generating ref guide when running 'mvn site' on branch other than master Major build, pom
HBASE-25058 Export necessary modules when running under JDK11 Major Performance, rpc
HBASE-26928 Fix several indentation problems Major .
HBASE-26922 Fix LineLength warnings as much as possible if it can not be fixed by spotless Major .
HBASE-26929 Upgrade surefire plugin to 3.0.0-M6 Major pom, test
HBASE-26927 Add snapshot scanner UT with SFT and some cleanups to TestTableSnapshotScanner Major .
HBASE-26916 Fix missing braces warnings in DefaultVisibilityExpressionResolver Major .
HBASE-26919 Rewrite the counting rows part in TestFromClientSide4 Major test
HBASE-26920 Fix missing braces warnings in TestProcedureMember Major test
HBASE-26921 Rewrite the counting cells part in TestMultiVersions Major test
HBASE-26545 Implement tracing of scan Major tracing
HBASE-26531 Trace coprocessor exec endpoints Major .
HBASE-25896 Implement a Region Visualization on Master WebUI Major .
HBASE-25895 Implement a Cluster Metrics JSON endpoint Major .
HBASE-26824 TestHBaseTestingUtil.testResolvePortConflict failing after HBASE-26582 Major .
HBASE-26582 Prune use of Random and SecureRandom objects Minor .
HBASE-26764 Implement generic exception support for TraceUtil methods over Callables and Runnables Major .
HBASE-26759 Fix trace continuity through CallRunner Major .
HBASE-26673 Implement a shell command for change SFT implementation Major shell
HBASE-26434 Compact L0 files for cold regions using StripeCompactionPolicy Major .
HBASE-26749 Migrate HBase main pre commit job to ci-hbase Major .
HBASE-26697 Migrate HBase Nightly HBase-Flaky-Tests and HBase-Find-Flaky-Tests to ci-hbase Major jenkins
HBASE-26521 Name RPC spans as `$package.$service/$method` Major .
HBASE-26747 Use python2 instead of python in our python scripts Major jenkins
HBASE-26472 Adhere to semantic conventions regarding table data operations Major .
HBASE-26473 Introduce `db.hbase.container_operations` span attribute Major .
HBASE-26474 Implement connection-level attributes Major .
HBASE-26520 Remove use of `db.hbase.namespace` tracing attribute Major .
HBASE-26397 Display the excluded datanodes on regionserver UI Major .
HBASE-24870 Ignore TestAsyncTableRSCrashPublish Major .
HBASE-26304 Reflect out-of-band locality improvements in served requests Major .
HBASE-26471 Move tracing semantic attributes to their own class Major .
HBASE-26470 Use openlabtesting protoc on linux arm64 in HBASE 2.x Major build
HBASE-26327 Replicas cohosted on a rack shouldn't keep triggering Balancer Major Balancer
HBASE-26308 Sum of multiplier of cost functions is not populated properly when we have a shortcut for trigger Critical Balancer
HBASE-26430 Increase DefaultHeapMemoryTuner log level Minor regionserver
HBASE-26353 Support loadable dictionaries in hbase-compression-zstd Minor .
HBASE-26319 Make flaky find job track more builds Major flakies, jenkins
HBASE-26390 Upload src tarball to nightlies for nightly jobs Major jenkins, scripts
HBASE-26382 Use gen_redirect_html for linking flaky test logs Major jenkins, scripts, test
HBASE-26362 Upload mvn site artifacts for nightly build to nightlies Major jenkins, scripts
HBASE-26316 Per-table or per-CF compression codec setting overrides Minor HFile, Operability
HBASE-26360 Use gen_redirect_html for linking test logs Major jenkins, scripts
HBASE-26341 Upload dashboard html for flaky find job to nightlies Major flakies, jenkins, scripts
HBASE-24833 Bootstrap should not delete the META table directory if it's not partial Major .
HBASE-26339 SshPublisher will skip uploading artifacts if the build is failure Major jenkins, scripts
HBASE-26324 Reuse compressors and decompressors in WAL CompressionContext Minor wal
HBASE-26317 Publish the test logs for pre commit jenkins job to nightlies Major jenkins, scripts
HBASE-26313 Publish the test logs for our nightly jobs to nightlies.apache.org Major jenkins, scripts
HBASE-26318 Publish test logs for flaky jobs to nightlies Major flakies, jenkins
HBASE-26259 Fallback support to pure Java compression Major Performance
HBASE-26294 Backport "HBASE-26181 Region server and master could use itself as ConnectionRegistry" to branch-2 Major master, regionserver
HBASE-26293 Use reservoir sampling when selecting bootstrap nodes Major master, regionserver
HBASE-26277 Revert 26240, Apply InterfaceAudience.Private to BalanceResponse$Builder Minor .
HBASE-26240 Set BalanceRequest$Builder to InterfaceAudience.Private Trivial .
HBASE-26157 Expose some IA.LimitedPrivate interface in TestingHBaseCluster Major API, test
HBASE-26235 We could start RegionServerTracker before becoming active master Major master, Zookeeper
HBASE-26216 Move HRegionServer.abort(String) to Abortable as a default method Major API, regionserver
HBASE-26189 Reduce log level of CompactionProgress notice to DEBUG Minor Compaction
HBASE-26168 Backport HBASE-25811 for fixing nightly tests with error of `NoClassDefFoundError: io/opentelemetry/api/GlobalOpenTelemetry` Major tracing
HBASE-26227 Forward port HBASE-26223 test code to branch-2.4+ Major test
HBASE-26140 Backport HBASE-25778 "The tracinig implementation for AsyncConnectionImpl.getHbck is incorrect" to branch-2 Major tracing
HBASE-26139 Backport HBASE-23762 "Add documentation on how to enable and view tracing with OpenTelemetry" to branch-2 Major tracing
HBASE-26138 Backport HBASE-25733 "Upgrade opentelemetry to 1.0.1" to branch-2 Major tracing
HBASE-26137 Backport HBASE-25732 "Change the command line argument for tracing after upgrading opentelemtry to 1.0.0" to branch-2 Major tracing
HBASE-26180 Introduce a initial refresh interval for RpcConnectionRegistry Major Client
HBASE-26215 The backup master status page should use ActiveMasterManager instead of MasterAddressTracker Major master, UI
HBASE-26136 Backport HBASE-25723 "Temporarily remove the trace support for RegionScanner.next" to branch-2 Major tracing
HBASE-26135 Backport HBASE-25616 "Upgrade opentelemetry to 1.0.0" to branch-2 Major tracing
HBASE-26173 Return only a sub set of region servers as bootstrap nodes Major Client
HBASE-26182 Allow disabling refresh of connection registry endpoint Major Client
HBASE-26134 Backport HBASE-25617 "Revisit the span names" to branch-2 Major .
HBASE-26133 Backport HBASE-25591 "Upgrade opentelemetry to 0.17.1" to branch-2 Major .
HBASE-26132 Backport HBASE-25535 "Set span kind to CLIENT in AbstractRpcClient" to branch-2 Major .
HBASE-26131 Backport HBASE-25484 "Add trace support for WAL sync" to branch-2 Major .
HBASE-26172 Deprecate MasterRegistry Major Client
HBASE-24337 Backport HBASE-23968 to branch-2 Minor .
HBASE-26130 Backport HBASE-25455 "Add trace support for HRegion read/write operation" to branch-2 Major .
HBASE-26129 Backport HBASE-25481 "Add host and port attribute when tracing rpc call at client side" to branch-2 Major .
HBASE-26128 Backport HBASE-25454 "Add trace support for connection registry" to branch-2 Major tracing
HBASE-26150 Let region server also carry ClientMetaService Major Client, meta
HBASE-26127 Backport HBASE-23898 "Add trace support for simple apis in async client" to branch-2 Major tracing
HBASE-26126 Backport HBASE-25424 "Find a way to config OpenTelemetry tracing without directly depending on opentelemetry-sdk" to branch-2 Major .
HBASE-26125 Backport HBASE-25401 "Add trace support for async call in rpc client" to branch-2 Major tracing
HBASE-26151 Reimplement MasterAddressTracker to also cache backup master addresses Major Client, Zookeeper
HBASE-26098 Support passing a customized Configuration object when creating TestingHBaseCluster Major API, test
HBASE-26124 Backport HBASE-25373 "Remove HTrace completely in code base and try to make use of OpenTelemetry" to branch-2 Major tracing
HBASE-26093 Replication is stuck due to zero length wal file in oldWALs directory [master/branch-2] Major .
HBASE-24734 RegionInfo#containsRange should support check meta table Major HFile, MTTR
HBASE-25739 TableSkewCostFunction need to use aggregated deviation Major Balancer, master
HBASE-26080 Implement a new mini cluster class for end users Major API, test
HBASE-26050 Remove the reflection used in FSUtils.isInSafeMode Major .
HBASE-26041 Replace PrintThreadInfoHelper with HBase's own ReflectionUtils.printThreadInfo() Major util
HBASE-26019 Remove reflections used in HBaseConfiguration.getPassword() Major .
HBASE-25992 Polish the ReplicationSourceWALReader code for 2.x after HBASE-25596 Major Replication
HBASE-25976 Implement a master based ReplicationTracker Major Replication
HBASE-25989 FanOutOneBlockAsyncDFSOutput using shaded protobuf in hdfs 3.3+ Major .
HBASE-25969 Cleanup netty-all transitive includes Major .
HBASE-25963 HBaseCluster should be marked as IA.Public Major API
HBASE-25911 Fix uses of System.currentTimeMillis (should be EnvironmentEdgeManager.currentTime) Minor .
HBASE-25941 TestRESTServerSSL fails because of jdk bug Major test
HBASE-25940 Update Compression/TestCompressionTest: LZ4, SNAPPY, LZO Major .
HBASE-25718 Backport HBASE-25705 to branch-2 Minor rsgroup
HBASE-25926 Cleanup MetaTableAccessor references in FavoredNodeBalancer related code Major Balancer, FavoredNodes, meta
HBASE-25791 UI of master-status to show a recent history of that why balancer was rejected to run Major Balancer, master, UI
HBASE-25894 Improve the performance for region load and region count related cost functions Major Balancer, Performance
HBASE-25873 Refactor and cleanup the code for CostFunction Major Balancer, Performance
HBASE-25872 Add documentation for LoadBalancer about synchronization Major Balancer, documentation
HBASE-25883 The regionFinder and rackManager fields in BaseLoadBalancer should be volatile Major Balancer
HBASE-25852 Move all the intialization work of LoadBalancer implementation to initialize method Major Balancer
HBASE-25876 Add retry if we fail to read all bytes of the protobuf magic marker Trivial io
HBASE-25790 NamedQueue 'BalancerRejection' for recent history of balancer skipping Major Balancer, master
HBASE-25854 Remove redundant AM in-memory state changes in CatalogJanitor Major .
HBASE-25851 Make LoadBalancer not extend Configurable interface Major Balancer
HBASE-25847 More DEBUG and TRACE level logging in CatalogJanitor and HbckChore Minor .
HBASE-25834 Remove balanceTable method from LoadBalancer interface Major Balancer
HBASE-25838 Use double instead of Double in StochasticLoadBalancer Major Balancer, Performance
HBASE-25835 Ignore duplicate split requests from regionserver reports Major .
HBASE-25836 RegionStates#getAssignmentsForBalancer should only care about OPEN or OPENING regions Major .
HBASE-25840 CatalogJanitor warns about skipping gc of regions during RIT, but does not actually skip Minor .
HBASE-25819 Fix style issues for StochasticLoadBalancer Major Balancer
HBASE-25802 Miscellaneous style improvements for load balancer related classes Major Balancer
HBASE-25793 Move BaseLoadBalancer.Cluster to a separated file Major Balancer
HBASE-25775 Use a special balancer to deal with maintenance mode Major Balancer
HBASE-25687 Backport "HBASE-25681 Add a switch for server/table queryMeter" to branch-2 and branch-1 Major .
HBASE-25199 Remove HStore#getStoreHomedir Minor .
HBASE-25696 Need to initialize SLF4JBridgeHandler in jul-to-slf4j for redirecting jul to slf4j Major logging
HBASE-25695 Link to the filter on hbase:meta from user tables panel on master page Major UI
HBASE-25629 Reimplement TestCurrentHourProvider to not depend on unstable TZs Major test
HBASE-25671 Backport HBASE-25608 to branch-2 Major .
HBASE-25677 Server+table counters on each scan #nextRaw invocation becomes a bottleneck when heavy load Major metrics
HBASE-25667 Remove RSGroup test addition made in parent; depends on functionality not in old branches Major .
HBASE-25550 More readable Competition Time Minor UI
HBASE-24900 Make retain assignment configurable during SCP Major amv2
HBASE-25509 ChoreService.cancelChore will not call ScheduledChore.cleanup which may lead to resource leak Major util
HBASE-25336 Use Address instead of InetSocketAddress in RpcClient implementation Major Client, rpc
HBASE-25353 [Flakey Tests] branch-2 TestShutdownBackupMaster Major flakies

OTHER:

JIRA Summary Priority Component
HBASE-26245 Store region server list in master local region Major master, Zookeeper
HBASE-25934 Add username for RegionScannerHolder Minor .
HBASE-25826 Revisit the synchronization of balancer implementation Major Balancer
HBASE-26912 Bump checkstyle from 8.28 to 8.29 Minor test
HBASE-26523 Upgrade hbase-thirdparty dependency to 4.0.1 Blocker thirdparty
HBASE-26892 Add spotless:check in our pre commit general check Major jenkins
HBASE-26906 Remove duplicate dependency declaration Major build
HBASE-26826 Backport StoreFileTracker (HBASE-26067, HBASE-26584, and others) to branch-2.5 Major Operability, regionserver
HBASE-26903 Bump httpclient from 4.5.3 to 4.5.13 Minor .
HBASE-26902 Bump bcprov-jdk15on from 1.60 to 1.67 Minor .
HBASE-26834 Adapt ConnectionRule for both sync and async connections Major test
HBASE-26861 Fix flaky TestSnapshotFromMaster.testSnapshotHFileArchiving Major snapshots, test
HBASE-26802 Backport the log4j2 changes to branch-2 Blocker logging
HBASE-26819 Minor code cleanup in and around RpcScheduler Minor IPC/RPC
HBASE-26817 Mark RpcExecutor as IA.LimitedPrivate COPROC and PHOENIX Major compatibility
HBASE-26782 Minor code cleanup in and around RpcExecutor Minor IPC/RPC
HBASE-26760 LICENSE handling should not allow non-aggregated "apache-2.0" Minor community
HBASE-26691 Replacing log4j with reload4j for branch-2.x Critical logging
HBASE-26788 Disable Checks API callback from test results in PRs Major build
HBASE-26622 Update to error-prone 2.10 Major .
HBASE-26663 Upgrade Maven Enforcer Plugin Major build
HBASE-25918 Upgrade hbase-thirdparty dependency to 3.5.1 Critical dependencies
HBASE-26719 Remove 'patch' file added as part of commit for HBASE-25973 Minor .
HBASE-26614 Refactor code related to "dump"ing ZK nodes Major Zookeeper
HBASE-26551 Add FastPath feature to HBase RWQueueRpcExecutor Major rpc, Scheduler
HBASE-26616 Refactor code related to ZooKeeper authentication Major Zookeeper
HBASE-26631 Upgrade junit to 4.13.2 Major security, test
HBASE-26564 Retire the method visitLogEntryBeforeWrite without RegionInfo in WALActionListner Minor wal
HBASE-26566 Optimize encodeNumeric in OrderedBytes Major Performance
HBASE-26580 The message of StoreTooBusy is confused Trivial logging, regionserver
HBASE-26549 hbaseprotoc plugin should initialize maven Major jenkins
HBASE-26490 Add builder for class ReplicationLoadSink Minor Client
HBASE-26444 BucketCacheWriter should log only the BucketAllocatorException message, not the full stack trace Major logging, Operability
HBASE-26443 Some BaseLoadBalancer log lines should be at DEBUG level Major logging, Operability
HBASE-26369 Fix checkstyle issues for HBase-common: KeyValue and ByteBufferUtils Trivial .
HBASE-26368 Fix checkstyle issues for HRegionserver Trivial .
HBASE-26329 Upgrade commons-io to 2.11.0 Major dependencies
HBASE-26186 jenkins script for caching artifacts should verify cached file before relying on it Major build, integration tests
HBASE-26288 Revisit the usage of MetaTableLocator when HRegionServer.TEST_SKIP_REPORTING_TRANSITION is true Major meta, regionserver, test, Zookeeper
HBASE-26285 Remove MetaTableLocator usages in non-migration code Major meta, Zookeeper
HBASE-25853 Backport HBASE-22120 (Replace HTrace with OpenTelemetry) to branch-2 Major tracing
HBASE-26152 Exclude javax.servlet:servlet-api in hbase-shaded-testing-util Major .
HBASE-25521 Change ChoreService and ScheduledChore to IA.Private Major util
HBASE-26015 Should implement getRegionServers(boolean) method in AsyncAdmin Major Admin, Client
HBASE-25920 Support Hadoop 3.3.1 Major .
HBASE-25948 Remove deprecated ZK command 'rmr' in hbase-cleanup.sh Major scripts
HBASE-25884 NPE while getting Balancer decisions Major .
HBASE-25843 Move master http-related code into o.a.h.h.master.http Minor master
HBASE-25842 Move regionserver http-related code into o.a.h.h.regionserver.http Minor regionserver
HBASE-25779 HRegionServer#compactSplitThread should be private Trivial regionserver
HBASE-25755 Exclude tomcat-embed-core from libthrift Critical dependencies, Thrift
HBASE-25750 Upgrade RpcControllerFactory and HBaseRpcController from Private to LimitedPrivate(COPROC,PHOENIX) Major Coprocessors, phoenix, rpc
HBASE-25604 Upgrade spotbugs to 4.x Major build, findbugs
HBASE-25620 Increase timeout value for pre commit Major build, test
HBASE-25615 Upgrade java version in pre commit docker file Major build
HBASE-25083 make sure the next hbase 1.y release has Hadoop 2.10 as a minimum version Major documentation, hadoop2
HBASE-25474 Update HBase version to 2.5.0 in branch-2 pom.xml Major .
HBASE-25333 Add maven enforcer rule to ban VisibleForTesting imports Major build, pom
HBASE-25451 Upgrade commons-io to 2.8.0 Major dependencies
HBASE-25452 Use MatcherAssert.assertThat instead of org.junit.Assert.assertThat Major test
HBASE-25400 [Flakey Tests] branch-2 TestRegionMoveAndAbandon Major .
HBASE-25389 [Flakey Tests] branch-2 TestMetaShutdownHandler Major flakies

Release 2.2.0 - Unreleased (as of 2019-06-11)

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component
HBASE-21991 Fix MetaMetrics issues - [Race condition, Faulty remove logic], few improvements Major Coprocessors, metrics
HBASE-22399 Change default hadoop-two.version to 2.8.x and remove the 2.7.x hadoop checks Major build, hadoop2
HBASE-21082 Reimplement assign/unassign related procedure metrics Critical amv2, metrics
HBASE-20587 Replace Jackson with shaded thirdparty gson Major dependencies
HBASE-21727 Simplify documentation around client timeout Minor .
HBASE-21684 Throw DNRIOE when connection or rpc client is closed Major asyncclient, Client
HBASE-21792 Mark HTableMultiplexer as deprecated and remove it in 3.0.0 Major Client
HBASE-21657 PrivateCellUtil#estimatedSerializedSizeOf has been the bottleneck in 100% scan case. Major Performance
HBASE-21560 Return a new TableDescriptor for MasterObserver#preModifyTable to allow coprocessor modify the TableDescriptor Major Coprocessors
HBASE-21492 CellCodec Written To WAL Before It's Verified Critical wal
HBASE-21452 Illegal character in hbase counters group name Major spark
HBASE-21158 Empty qualifier cell should not be returned if it does not match QualifierFilter Critical Filters
HBASE-21223 [amv2] Remove abort_procedure from shell Critical amv2, hbck2, shell
HBASE-20881 Introduce a region transition procedure to handle all the state transition for a region Major amv2, proc-v2
HBASE-20884 Replace usage of our Base64 implementation with java.util.Base64 Major .

NEW FEATURES:

JIRA Summary Priority Component
HBASE-22148 Provide an alternative to CellUtil.setTimestamp Blocker API, Coprocessors
HBASE-21815 Make isTrackingMetrics and getMetrics of ScannerContext public Minor .
HBASE-21926 Profiler servlet Major master, Operability, regionserver
HBASE-20886 [Auth] Support keytab login in hbase client Critical asyncclient, Client, security
HBASE-17942 Disable region splits and merges per table Major .
HBASE-21753 Support getting the locations for all the replicas of a region Major Client
HBASE-20636 Introduce two bloom filter type : ROWPREFIX_FIXED_LENGTH and ROWPREFIX_DELIMITED Major HFile, regionserver, Scanners
HBASE-20649 Validate HFiles do not have PREFIX_TREE DataBlockEncoding Minor Operability, tooling

IMPROVEMENTS:

JIRA Summary Priority Component
HBASE-22284 optimization StringBuilder.append of AbstractMemStore.toString Trivial .
HBASE-22523 Refactor RegionStates#getAssignmentsByTable to make it easy to understand Major .
HBASE-22511 More missing /rs-status links Minor UI
HBASE-22496 UnsafeAccess.unsafeCopy should not copy more than UNSAFE_COPY_THRESHOLD on each iteration Major .
HBASE-22488 Cleanup the explicit timeout value for test methods Major .
HBASE-22411 Refactor codes of moving reigons in RSGroup Major rsgroup
HBASE-22467 WebUI changes to enable Apache Knox UI proxying Major UI
HBASE-22474 Add --mvn-custom-repo parameter to yetus calls Minor .
HBASE-20305 Add option to SyncTable that skip deletes on target cluster Minor mapreduce
HBASE-21784 Dump replication queue should show list of wal files ordered chronologically Major Replication, tooling
HBASE-22384 Formatting issues in administration section of book Minor community, documentation
HBASE-21658 Should get the meta replica number from zk instead of config at client side Critical Client
HBASE-22365 Region may be opened on two RegionServers Blocker amv2
HBASE-22392 Remove extra/useless + Trivial .
HBASE-20494 Upgrade com.yammer.metrics dependency Major dependencies
HBASE-22358 Change rubocop configuration for method length Minor community, shell
HBASE-22379 Fix Markdown for "Voting on Release Candidates" in book Minor community, documentation
HBASE-22109 Update hbase shaded content checker after guava update in hadoop branch-3.0 to 27.0-jre Minor .
HBASE-22087 Update LICENSE/shading for the dependencies from the latest Hadoop trunk Minor hadoop3
HBASE-22341 Add explicit guidelines for removing deprecations in book Major API, community, documentation
HBASE-22225 Profiler tab on Master/RS UI not working w/o comprehensive message Minor UI
HBASE-22291 Fix recovery of recovered.edits files under root dir Major .
HBASE-22283 Print row and table information when failed to get region location Major Client, logging
HBASE-22296 Remove TestFromClientSide.testGetStartEndKeysWithRegionReplicas Major test
HBASE-22250 The same constants used in many places should be placed in constant classes Minor Client, conf, regionserver
HBASE-20586 SyncTable tool: Add support for cross-realm remote clusters Major mapreduce, Operability, Replication
HBASE-21257 misspelled words.[occured -> occurred] Trivial .
HBASE-22193 Add backoff when region failed open too many times Major .
HBASE-22188 Make TestSplitMerge more stable Major test
HBASE-22097 Modify the description of split command in shell Trivial shell
HBASE-21964 unset Quota by Throttle Type Major master
HBASE-22093 Combine TestRestoreSnapshotFromClientWithRegionReplicas to CloneSnapshotFromClientAfterSplittingRegionTestBase#testCloneSnapshotAfterSplittingRegion Major .
HBASE-22009 Improve RSGroupInfoManagerImpl#getDefaultServers() Minor rsgroup
HBASE-22032 KeyValue validation should check for null byte array Major .
HBASE-21667 Move to latest ASF Parent POM Minor build
HBASE-21810 bulkload support set hfile compression on client Major mapreduce
HBASE-21987 Simplify RSGroupInfoManagerImpl#flushConfig() for offline mode Minor rsgroup
HBASE-21871 Support to specify a peer table name in VerifyReplication tool Major .
HBASE-21255 [acl] Refactor TablePermission into three classes (Global, Namespace, Table) Major .
HBASE-21410 A helper page that help find all problematic regions and procedures Major .
HBASE-20734 Colocate recovered edits directory with hbase.wal.dir Major MTTR, Recovery, wal
HBASE-20401 Make `MAX_WAIT` and `waitIfNotFinished` in CleanerContext configurable Minor master
HBASE-21481 [acl] Superuser's permissions should not be granted or revoked by any non-su global admin Major .
HBASE-21967 Split TestServerCrashProcedure and TestServerCrashProcedureWithReplicas Major .
HBASE-21867 Support multi-threads in HFileArchiver Major .
HBASE-21932 Use Runtime.getRuntime().halt to terminate regionserver when abort timeout Major .
HBASE-21875 Change the retry logic in RSProcedureDispatcher to 'retry by default, only if xxx' Major proc-v2
HBASE-21780 Avoid a wide line on the RegionServer webUI for many ZooKeeper servers Minor UI, Usability
HBASE-21636 Enhance the shell scan command to support missing scanner specifications like ReadType, IsolationLevel etc. Major shell
HBASE-21857 Do not need to check clusterKey if replicationEndpoint is provided when adding a peer Major .
HBASE-21201 Support to run VerifyReplication MR tool without peerid Major hbase-operator-tools
HBASE-21816 Print source cluster replication config directory Trivial Replication
HBASE-19616 Review of LogCleaner Class Minor .
HBASE-21830 Backport HBASE-20577 (Make Log Level page design consistent with the design of other pages in UI) to branch-2 Major UI, Usability
HBASE-21833 Use NettyAsyncFSWALConfigHelper.setEventLoopConfig to prevent creating too many netty event loop when executing TestHRegion Minor test
HBASE-21634 Print error message when user uses unacceptable values for LIMIT while setting quotas. Minor .
HBASE-21789 Rewrite MetaTableAccessor.multiMutate with Table.coprocessorService Major Client, Coprocessors
HBASE-21689 Make table/namespace specific current quota info available in shell(describe_namespace & describe) Minor .
HBASE-20215 Rename CollectionUtils to ConcurrentMapUtils Trivial .
HBASE-21720 metric to measure how actions are distributed to servers within a MultiAction Minor Client, metrics, monitoring
HBASE-21595 Print thread's information and stack traces when RS is aborting forcibly Minor regionserver
HBASE-20209 Do Not Use Both Map containsKey and get Methods in Replication Sink Trivial Replication
HBASE-21712 Make submit-patch.py python3 compatible Minor tooling
HBASE-21590 Optimize trySkipToNextColumn in StoreScanner a bit Critical Performance, Scanners
HBASE-21297 ModifyTableProcedure can throw TNDE instead of IOE in case of REGION_REPLICATION change Minor .
HBASE-21700 Simplify the implementation of RSGroupInfoManagerImpl Major rsgroup
HBASE-21694 Add append_peer_exclude_tableCFs and remove_peer_exclude_tableCFs shell commands Major .
HBASE-21645 Perform sanity check and disallow table creation/modification with region replication < 1 Minor .
HBASE-21360 Disable printing of stack-trace in shell for quotas Minor shell
HBASE-21662 Add append_peer_exclude_namespaces and remove_peer_exclude_namespaces shell commands Major .
HBASE-21659 Avoid to load duplicate coprocessors in system config and table descriptor Minor .
HBASE-21642 CopyTable by reading snapshot and bulkloading will save a lot of time. Major .
HBASE-21643 Introduce two new region coprocessor method and deprecated postMutationBeforeWAL Major .
HBASE-21640 Remove the TODO when increment zero Major .
HBASE-21631 list_quotas should print human readable values for LIMIT Minor shell
HBASE-21635 Use maven enforcer to ban imports from illegal packages Major build
HBASE-21514 Refactor CacheConfig Major .
HBASE-21520 TestMultiColumnScanner cost long time when using ROWCOL bloom type Major test
HBASE-21554 Show replication endpoint classname for replication peer on master web UI Minor UI
HBASE-21549 Add shell command for serial replication peer Major .
HBASE-21283 Add new shell command 'rit' for listing regions in transition Minor Operability, shell
HBASE-21567 Allow overriding configs starting up the shell Major shell
HBASE-21413 Empty meta log doesn't get split when restart whole cluster Major .
HBASE-21524 Unnecessary DEBUG log in ConnectionImplementation#isTableEnabled Major Client
HBASE-21511 Remove in progress snapshot check in SnapshotFileCache#getUnreferencedFiles Minor snapshots
HBASE-21480 Taking snapshot when RS crashes prevent we bring the regions online Major snapshots
HBASE-21485 Add more debug logs for remote procedure execution Major proc-v2
HBASE-21328 add HBASE_DISABLE_HADOOP_CLASSPATH_LOOKUP switch to hbase-env.sh Minor documentation, Operability
HBASE-19682 Use Collections.emptyList() For Empty List Values Minor .
HBASE-21388 No need to instantiate MemStoreLAB for master which not carry table Major .
HBASE-21325 Force to terminate regionserver when abort hang in somewhere Major .
HBASE-21385 HTable.delete request use rpc call directly instead of AsyncProcess Major .
HBASE-21318 Make RefreshHFilesClient runnable Minor HFile
HBASE-21263 Mention compression algorithm along with other storefile details Minor .
HBASE-21290 No need to instantiate BlockCache for master which not carry table Major .
HBASE-21256 Improve IntegrationTestBigLinkedList for testing huge data Major integration tests
HBASE-21251 Refactor RegionMover Major Operability
HBASE-21303 [shell] clear_deadservers with no args fails Major .
HBASE-21098 Improve Snapshot Performance with Temporary Snapshot Directory when rootDir on S3 Major .
HBASE-21299 List counts of actual region states in master UI tables section Major UI
HBASE-21289 Remove the log "'hbase.regionserver.maxlogs' was deprecated." in AbstractFSWAL Minor .
HBASE-21185 WALPrettyPrinter: Additional useful info to be printed by wal printer tool, for debugability purposes Minor Operability
HBASE-21103 nightly test cache of yetus install needs to be more thorough in verification Major test
HBASE-21207 Add client side sorting functionality in master web UI for table and region server details. Minor master, monitoring, UI, Usability
HBASE-20857 JMX - add Balancer status = enabled / disabled Major API, master, metrics, REST, tooling, Usability
HBASE-21164 reportForDuty to spew less log if master is initializing Minor regionserver
HBASE-21204 NPE when scan raw DELETE_FAMILY_VERSION and codec is not set Major .
HBASE-20307 LoadTestTool prints too much zookeeper logging Minor tooling
HBASE-21155 Save on a few log strings and some churn in wal splitter by skipping out early if no logs in dir Trivial .
HBASE-21129 Clean up duplicate codes in #equals and #hashCode methods of Filter Minor Filters
HBASE-21157 Split TableInputFormatScan to individual tests Minor test
HBASE-21107 add a metrics for netty direct memory Minor IPC/RPC
HBASE-21153 Shaded client jars should always build in relevant phase to avoid confusion Major build
HBASE-21126 Add ability for HBase Canary to ignore a configurable number of ZooKeeper down nodes Minor canary, Zookeeper
HBASE-20749 Upgrade our use of checkstyle to 8.6+ Minor build, community
HBASE-21071 HBaseTestingUtility::startMiniCluster() to use builder pattern Major test
HBASE-20387 flaky infrastructure should work for all branches Critical test
HBASE-20469 Directory used for sidelining old recovered edits files should be made configurable Minor .
HBASE-20979 Flaky test reporting should specify what JSON it needs and handle HTTP errors Minor test
HBASE-20985 add two attributes when we do normalization Major .
HBASE-20965 Separate region server report requests to new handlers Major Performance
HBASE-20845 Support set the consistency for Gets and Scans in thrift2 Major Thrift
HBASE-20986 Separate the config of block size when we do log splitting and write Hlog Major .
HBASE-19036 Add action in Chaos Monkey to restart Active Namenode Minor .
HBASE-20856 PITA having to set WAL provider in two places Minor Operability, wal
HBASE-20935 HStore.removeCompactedFiles should log in case it is unable to delete a file Minor .
HBASE-20873 Update doc for Endpoint-based Export Minor documentation
HBASE-20672 New metrics ReadRequestRate and WriteRequestRate Minor metrics
HBASE-20617 Upgrade/remove jetty-jsp Minor .
HBASE-20396 Remove redundant MBean from thrift JMX Major Thrift
HBASE-20357 AccessControlClient API Enhancement Major security

BUG FIXES:

JIRA Summary Priority Component
HBASE-22563 Reduce retained jobs for Jenkins pipelines Major .
HBASE-22552 Rewrite TestEndToEndSplitTransaction.testCanSplitJustAfterASplit Major test
HBASE-22551 TestMasterOperationsForRegionReplicas is flakey Major read replicas, test
HBASE-22481 Javadoc Warnings: reference not found Trivial documentation
HBASE-22546 TestRegionServerHostname#testRegionServerHostname fails reliably for me Major .
HBASE-22534 TestCellUtil fails when run on JDK11 Minor java, test
HBASE-22536 TestForeignExceptionSerialization fails when run on JDK11 Minor java
HBASE-22535 TestShellRSGroups fails when run on JDK11 Minor java, shell
HBASE-22518 yetus personality is treating branch-1.4 like earlier branches for hadoopcheck Major test
HBASE-22513 Admin#getQuota does not work correctly if exceedThrottleQuota is set Major Quotas
HBASE-22522 The integration test in master branch's nightly job has error "ERROR: Only found 1050 rows." Major .
HBASE-22490 Nightly client integration test fails with hadoop-3 Major build
HBASE-22502 Purge the logs when we reach the EOF for the last wal file when replication Major .
HBASE-22503 Failed to upgrade to 2.2+ as the global permission which storaged in zk is not right Blocker .
HBASE-22487 getMostLoadedRegions is unused Trivial regionserver
HBASE-22485 Fix failed ut TestClusterRestartFailover Major .
HBASE-22486 Fix flaky test TestLockManager Major .
HBASE-22471 Our nightly jobs for master and branch-2 are still using hadoop-2.7.1 in integration test Major build
HBASE-22003 Fix flaky test TestVerifyReplication.testHBase14905 Major .
HBASE-22441 BucketCache NullPointerException in cacheBlock Major BucketCache
HBASE-22473 Split TestSCP Major Recovery, test
HBASE-22456 Polish TestSplitTransitionOnCluster Major test
HBASE-21800 RegionServer aborted due to NPE from MetaTableMetrics coprocessor Critical Coprocessors, meta, metrics, Operability
HBASE-22462 Should run a 'mvn install' at the end of hadoop check in pre commit job Major build
HBASE-22440 HRegionServer#getWalGroupsReplicationStatus() throws NPE Major regionserver, Replication
HBASE-22226 Incorrect level for headings in asciidoc Trivial documentation
HBASE-22442 Nightly build is failing with hadoop 3.x Major build, hadoop3
HBASE-20970 Update hadoop check versions for hadoop3 in hbase-personality Major build
HBASE-22424 Interactions in RSGroup test classes will cause TestRSGroupsAdmin2.testMoveServersAndTables and TestRSGroupsBalance.testGroupBalance flaky Major rsgroup
HBASE-22404 Open/Close region request may be executed twice when master restart Major .
HBASE-22274 Cell size limit check on append should consider cell's previous size. Minor .
HBASE-22072 High read/write intensive regions may cause long crash recovery Major Performance, Recovery
HBASE-22324 loss a mass of data when the sequenceId of cells greater than Integer.Max, because MemStoreMergerSegmentsIterator can not merge segments Blocker in-memory-compaction
HBASE-21777 "Tune compaction throughput" debug messages even when nothing has changed Trivial Compaction
HBASE-22360 Abort timer doesn't set when abort is called during graceful shutdown process Major regionserver
HBASE-20851 Change rubocop config for max line length of 100 Minor community, shell
HBASE-21467 Fix flaky test TestCoprocessorClassLoader.testCleanupOldJars Minor .
HBASE-22312 Hadoop 3 profile for hbase-shaded-mapreduce should like mapreduce as a provided dependency Major mapreduce, shading
HBASE-22314 shaded byo-hadoop client should list needed hadoop modules as provided scope to avoid inclusion of unnecessary transitive depednencies Major hadoop2, hadoop3, shading
HBASE-22047 LeaseException in Scan should be retired Major Client, Scanners
HBASE-22343 Make procedure retry interval configurable in test Major amv2, test
HBASE-22190 SnapshotFileCache may fail to load the correct snapshot file list when there is an on-going snapshot operation Blocker snapshots
HBASE-22354 master never sets abortRequested, and thus abort timeout doesn't work for it Major .
HBASE-22350 Rewrite TestClientOperationTimeout so we do not timeout when creating table Major test
HBASE-22340 Corrupt KeyValue is silently ignored Critical wal
HBASE-22054 Space Quota: Compaction is not working for super user in case of NO_WRITES_COMPACTIONS Minor .
HBASE-22236 AsyncNonMetaRegionLocator should not cache HRegionLocation with null location Major asyncclient
HBASE-22086 space quota issue: deleting snapshot doesn't update the usage of table Minor .
HBASE-22298 branch-2.2 nightly fails "[ForOverride] Method annotated @ForOverride must have protected or package-private visibility" Major .
HBASE-22292 PreemptiveFastFailInterceptor clean repeatedFailuresMap issue Blocker .
HBASE-22230 REST Server drops connection on long scans Major .
HBASE-22200 WALSplitter.hasRecoveredEdits should use same FS instance from WAL region dir Major wal
HBASE-22286 License handling incorrectly lists CDDL/GPLv2+CE as safe to not aggregate Critical build, community
HBASE-22282 Should deal with error in the callback of RawAsyncHBaseAdmin.splitRegion methods Major Admin, asyncclient
HBASE-22278 RawAsyncHBaseAdmin should not use cached region location Major Admin, asyncclient
HBASE-22222 Site build fails after hbase-thirdparty upgrade Blocker website
HBASE-22249 Rest Server throws NoClassDefFoundError with Java 11 (run-time) Major .
HBASE-22235 OperationStatus.{SUCCESS|FAILURE|NOT_RUN} are not visible to 3rd party coprocessors Major Coprocessors
HBASE-22207 Fix flakey TestAssignmentManager.testAssignSocketTimeout Major test
HBASE-22202 Fix new findbugs issues after we upgrade hbase-thirdparty dependencies Major findbugs
HBASE-22144 MultiRowRangeFilter does not work with reversed scans Critical Filters, Scanners
HBASE-22198 Fix flakey TestAsyncTableGetMultiThreaded Major test
HBASE-22185 RAMQueueEntry#writeToCache should freeBlock if any exception encountered instead of the IOException catch block Major .
HBASE-22163 Should not archive the compacted store files when region warmup Blocker .
HBASE-22178 Introduce a createTableAsync with TableDescriptor method in Admin Major Admin
HBASE-22180 Make TestBlockEvictionFromClient.testBlockRefCountAfterSplits more stable Major test
HBASE-22179 Fix RawAsyncHBaseAdmin.getCompactionState Major Admin, asyncclient
HBASE-22177 Do not recreate IOException in RawAsyncHBaseAdmin.adminCall Major Admin, asyncclient
HBASE-22070 Checking restoreDir in RestoreSnapshotHelper Minor snapshots
HBASE-20912 Add import order config in dev support for eclipse Major .
HBASE-22133 Forward port HBASE-22073 "/rits.jsp throws an exception if no procedure" to branch-2.2+ Major UI
HBASE-20911 correct Swtich/case indentation in formatter template for eclipse Major .
HBASE-21688 Address WAL filesystem issues Major Filesystem Integration, wal
HBASE-22121 AsyncAdmin can not deal with non default meta replica Major Admin, asyncclient, Client
HBASE-22115 HBase RPC aspires to grow an infinite tree of trace scopes; some other places are also unsafe Critical .
HBASE-22123 REST gateway reports Insufficient permissions exceptions as 404 Not Found Minor REST
HBASE-21135 Build fails on windows as it fails to parse windows path during license check Major build
HBASE-21781 list_deadservers elapsed time is incorrect Major shell
HBASE-22100 False positive for error prone warnings in pre commit job Minor build
HBASE-22098 Backport HBASE-18667 "Disable error-prone for hbase-protocol-shaded" to branch-2 Major build
HBASE-20662 Increasing space quota on a violated table does not remove SpaceViolationPolicy.DISABLE enforcement Major .
HBASE-22057 Impose upper-bound on size of ZK ops sent in a single multi() Major .
HBASE-22074 Should use procedure store to persist the state in reportRegionStateTransition Blocker amv2, proc-v2
HBASE-21619 Fix warning message caused by incorrect ternary operator evaluation Trivial .
HBASE-22095 Taking a snapshot fails in local mode Major .
HBASE-22061 SplitTableRegionProcedure should hold the lock of its daughter regions Major .
HBASE-22045 Mutable range histogram reports incorrect outliers Major .
HBASE-21736 Remove the server from online servers before scheduling SCP for it in hbck Major hbck2, test
HBASE-22011 ThriftUtilities.getFromThrift should set filter when not set columns Major .
HBASE-21990 puppycrawl checkstyle dtds 404... moved to sourceforge Major build
HBASE-22010 docs on upgrade from 2.0,2.1 -> 2.2 renders incorrectly Minor documentation
HBASE-22006 Fix branch-2.1 findbugs warning; causes nightly show as failed. Major .
HBASE-21960 RESTServletContainer not configured for REST Jetty server Blocker REST
HBASE-21915 FileLink$FileLinkInputStream doesn't implement CanUnbuffer Major Filesystem Integration
HBASE-21565 Delete dead server from dead server list too early leads to concurrent Server Crash Procedures(SCP) for a same server Critical .
HBASE-21740 NPE happens while shutdown the RS Major .
HBASE-21866 Do not move the table to null rsgroup when creating an existing table Major proc-v2, rsgroup
HBASE-21983 Should track the scan metrics in AsyncScanSingleRegionRpcRetryingCaller if scan metrics is enabled Major asyncclient, Client
HBASE-21980 Fix typo in AbstractTestAsyncTableRegionReplicasRead Major test
HBASE-21487 Concurrent modify table ops can lead to unexpected results Major .
HBASE-20724 Sometimes some compacted storefiles are still opened after region failover Critical .
HBASE-21961 Infinite loop in AsyncNonMetaRegionLocator if there is only one region and we tried to locate before a non empty row Critical asyncclient, Client
HBASE-21943 The usage of RegionLocations.mergeRegionLocations is wrong for async client Critical asyncclient, Client
HBASE-21947 TestShell is broken after we remove the jackson dependencies Major dependencies, shell
HBASE-21942 [UI] requests per second is incorrect in rsgroup page(rsgroup.jsp) Minor .
HBASE-21922 BloomContext#sanityCheck may failed when use ROWPREFIX_DELIMITED bloom filter Major .
HBASE-21929 The checks at the end of TestRpcClientLeaks are not executed Major test
HBASE-21938 Add a new ClusterMetrics.Option SERVERS_NAME to only return the live region servers's name without metrics Major .
HBASE-21928 Deprecated HConstants.META_QOS Major Client, rpc
HBASE-21899 Fix missing variables in slf4j Logger Trivial logging
HBASE-21910 The nonce implementation is wrong for AsyncTable Critical asyncclient, Client
HBASE-21900 Infinite loop in AsyncMetaRegionLocator if we can not get the location for meta Major asyncclient, Client
HBASE-21890 Use execute instead of submit to submit a task in RemoteProcedureDispatcher Critical proc-v2
HBASE-21889 Use thrift 0.12.0 when build thrift by compile-thrift profile Major .
HBASE-21785 master reports open regions as RITs and also messes up rit age metric Major .
HBASE-21854 Race condition in TestProcedureSkipPersistence Minor proc-v2
HBASE-21862 IPCUtil.wrapException should keep the original exception types for all the connection exceptions Blocker .
HBASE-18484 VerifyRep by snapshot does not work when Yarn / SourceHBase / PeerHBase located in different HDFS clusters Major Replication
HBASE-21775 The BufferedMutator doesn't ever refresh region location cache Major Client
HBASE-21843 RegionGroupingProvider breaks the meta wal file name pattern which may cause data loss for meta region Blocker wal
HBASE-21795 Client application may get stuck (time bound) if a table modify op is called immediately after split op Critical amv2
HBASE-21840 TestHRegionWithInMemoryFlush fails with NPE Blocker test
HBASE-21811 region can be opened on two servers due to race condition with procedures and server reports Blocker amv2
HBASE-21644 Modify table procedure runs infinitely for a table having region replication > 1 Critical Admin
HBASE-21733 SnapshotQuotaObserverChore should only fetch space quotas Major .
HBASE-21699 Create table failed when using SPLITS_FILE => 'splits.txt' Blocker Client, shell
HBASE-21535 Zombie Master detector is not working Critical master
HBASE-21770 Should deal with meta table in HRegionLocator.getAllRegionLocations Major Client
HBASE-21754 ReportRegionStateTransitionRequest should be executed in priority executor Major .
HBASE-21475 Put mutation (having TTL set) added via co-processor is retrieved even after TTL expires Major Coprocessors
HBASE-21749 RS UI may throw NPE and make rs-status page inaccessible with multiwal and replication Major Replication, UI
HBASE-21746 Fix two concern cases in RegionMover Major .
HBASE-21732 Should call toUpperCase before using Enum.valueOf in some methods for ColumnFamilyDescriptor Critical Client
HBASE-21704 The implementation of DistributedHBaseCluster.getServerHoldingRegion is incorrect Major .
HBASE-20917 MetaTableMetrics#stop references uninitialized requestsMap for non-meta region Major meta, metrics
HBASE-21639 maxHeapUsage value not read properly from config during EntryBuffers initialization Minor .
HBASE-21225 Having RPC & Space quota on a table/Namespace doesn't allow space quota to be removed using 'NONE' Major .
HBASE-21707 Fix warnings in hbase-rsgroup module and also make the UTs more stable Major Region Assignment, rsgroup
HBASE-20220 [RSGroup] Check if table exists in the cluster before moving it to the specified regionserver group Major rsgroup
HBASE-21691 Fix flaky test TestRecoveredEdits Major .
HBASE-21695 Fix flaky test TestRegionServerAbortTimeout Major .
HBASE-21614 RIT recovery with ServerCrashProcedure doesn't account for all regions Critical amv2
HBASE-21618 Scan with the same startRow(inclusive=true) and stopRow(inclusive=false) returns one result Critical Client
HBASE-21683 Reset readsEnabled flag after successfully flushing the primary region Critical read replicas
HBASE-21630 [shell] Define ENDKEY == STOPROW (we have ENDROW) Trivial shell
HBASE-21547 Precommit uses master flaky list for other branches Major test
HBASE-21660 Apply the cell to right memstore for increment/append operation Major .
HBASE-21646 Flakey TestTableSnapshotInputFormat; DisableTable not completing... Major test
HBASE-21545 NEW_VERSION_BEHAVIOR breaks Get/Scan with specified columns Major API
HBASE-21629 draining_servers.rb is broken Major scripts
HBASE-21621 Reversed scan does not return expected number of rows Critical Scanners
HBASE-21620 Problem in scan query when using more than one column prefix filter in some cases. Major Scanners
HBASE-21610 numOpenConnections metric is set to -1 when zero server channel exist Minor metrics
HBASE-21498 Master OOM when SplitTableRegionProcedure new CacheConfig and instantiate a new BlockCache Major .
HBASE-21592 quota.addGetResult(r) throw NPE Major .
HBASE-21589 TestCleanupMetaWAL fails Blocker test, wal
HBASE-21575 memstore above high watermark message is logged too much Minor logging, regionserver
HBASE-21582 If call HBaseAdmin#snapshotAsync but forget call isSnapshotFinished, then SnapshotHFileCleaner will skip to run every time Major .
HBASE-21568 Disable use of BlockCache for LoadIncrementalHFiles Major Client
HBASE-21453 Convert ReadOnlyZKClient to DEBUG instead of INFO Major logging, Zookeeper
HBASE-21559 The RestoreSnapshotFromClientTestBase related UT are flaky Major .
HBASE-21551 Memory leak when use scan with STREAM at server side Blocker regionserver
HBASE-21550 Add a new method preCreateTableRegionInfos for MasterObserver which allows CPs to modify the TableDescriptor Major Coprocessors
HBASE-21479 Individual tests in TestHRegionReplayEvents class are failing Major .
HBASE-21518 TestMasterFailoverWithProcedures is flaky Major .
HBASE-21504 If enable FIFOCompactionPolicy, a compaction may write a "empty" hfile whose maxTimeStamp is long max. This kind of hfile will never be archived. Critical Compaction
HBASE-21300 Fix the wrong reference file path when restoring snapshots for tables with MOB columns Major .
HBASE-21507 Compaction failed when execute AbstractMultiFileWriter.beforeShipped() method Major Compaction, regionserver
HBASE-21387 Race condition surrounding in progress snapshot handling in snapshot cache leads to loss of snapshot files Major snapshots
HBASE-21503 Replication normal source can get stuck due potential race conditions between source wal reader and wal provider initialization threads. Blocker Replication
HBASE-21466 WALProcedureStore uses wrong FileSystem if wal.dir is not under rootdir Major .
HBASE-21445 CopyTable by bulkload will write hfile into yarn's HDFS Major mapreduce
HBASE-21437 Bypassed procedure throw IllegalArgumentException when its state is WAITING_TIMEOUT Major .
HBASE-21439 StochasticLoadBalancer RegionLoads aren’t being used in RegionLoad cost functions Major Balancer
HBASE-20604 ProtobufLogReader#readNext can incorrectly loop to the same position in the stream until the the WAL is rolled Critical Replication, wal
HBASE-21247 Custom Meta WAL Provider doesn't default to custom WAL Provider whose configuration value is outside the enums in Providers Major wal
HBASE-21430 [hbase-connectors] Move hbase-spark* modules to hbase-connectors repo Major hbase-connectors, spark
HBASE-21438 TestAdmin2#testGetProcedures fails due to FailedProcedure inaccessible Major .
HBASE-21425 2.1.1 fails to start over 1.x data; namespace not assigned Critical amv2
HBASE-21407 Resolve NPE in backup Master UI Minor UI
HBASE-21422 NPE in TestMergeTableRegionsProcedure.testMergeWithoutPONR Major proc-v2, test
HBASE-21424 Change flakies and nightlies so scheduled less often Major build
HBASE-21417 Pre commit build is broken due to surefire plugin crashes Critical build
HBASE-21371 Hbase unable to compile against Hadoop trunk (3.3.0-SNAPSHOT) due to license error Major .
HBASE-21391 RefreshPeerProcedure should also wait master initialized before executing Major Replication
HBASE-21342 FileSystem in use may get closed by other bulk load call in secure bulkLoad Major .
HBASE-21349 Cluster is going down but CatalogJanitor and Normalizer try to run and fail noisely Minor .
HBASE-21356 bulkLoadHFile API should ensure that rs has the source hfile's write permission Major .
HBASE-21355 HStore's storeSize is calculated repeatedly which causing the confusing region split Blocker regionserver
HBASE-21334 TestMergeTableRegionsProcedure is flakey Major amv2, proc-v2, test
HBASE-21178 [BC break] : Get and Scan operation with a custom converter_class not working Critical shell
HBASE-21200 Memstore flush doesn't finish because of seekToPreviousRow() in memstore scanner. Critical Scanners
HBASE-21292 IdLock.getLockEntry() may hang if interrupted Major .
HBASE-21335 Change the default wait time of HBCK2 tool Critical .
HBASE-21291 Add a test for bypassing stuck state-machine procedures Major .
HBASE-21055 NullPointerException when balanceOverall() but server balance info is null Major Balancer
HBASE-21327 Fix minor logging issue where we don't report servername if no associated SCP Trivial amv2
HBASE-21320 [canary] Cleanup of usage and add commentary Major canary
HBASE-21266 Not running balancer because processing dead regionservers, but empty dead rs list Major .
HBASE-21260 The whole balancer plans might be aborted if there are more than one plans to move a same region Major Balancer, master
HBASE-21280 Add anchors for each heading in UI Trivial UI, Usability
HBASE-20764 build broken when latest commit is gpg signed Critical build
HBASE-18549 Unclaimed replication queues can go undetected Critical Replication
HBASE-21248 Implement exponential backoff when retrying for ModifyPeerProcedure Major proc-v2, Replication
HBASE-21196 HTableMultiplexer clears the meta cache after every put operation Critical Performance
HBASE-19418 RANGE_OF_DELAY in PeriodicMemstoreFlusher should be configurable. Minor .
HBASE-18451 PeriodicMemstoreFlusher should inspect the queue before adding a delayed flush request Major regionserver
HBASE-21228 Memory leak since AbstractFSWAL caches Thread object and never clean later Critical wal
HBASE-20766 Verify Replication Tool Has Typo "remove cluster" Trivial .
HBASE-21232 Show table state in Tables view on Master home page Major Operability, UI
HBASE-21212 Wrong flush time when update flush metric Minor .
HBASE-21208 Bytes#toShort doesn't work without unsafe Critical .
HBASE-20704 Sometimes some compacted storefiles are not archived on region close Critical Compaction
HBASE-21203 TestZKMainServer#testCommandLineWorks won't pass with default 4lw whitelist Minor test, Zookeeper
HBASE-21102 ServerCrashProcedure should select target server where no other replicas exist for the current region Major Region Assignment
HBASE-21206 Scan with batch size may return incomplete cells Critical Scanners
HBASE-21182 Failed to execute start-hbase.sh Major .
HBASE-21179 Fix the number of actions in responseTooSlow log Major logging, rpc
HBASE-21174 [REST] Failed to parse empty qualifier in TableResource#getScanResource Major REST
HBASE-21181 Use the same filesystem for wal archive directory and wal directory Major .
HBASE-21021 Result returned by Append operation should be ordered Major .
HBASE-21173 Remove the duplicate HRegion#close in TestHRegion Minor test
HBASE-21144 AssignmentManager.waitForAssignment is not stable Major amv2, test
HBASE-21143 Update findbugs-maven-plugin to 3.0.4 Major pom
HBASE-21171 [amv2] Tool to parse a directory of MasterProcWALs standalone Major amv2, test
HBASE-21052 After restoring a snapshot, table.jsp page for the table gets stuck Major snapshots
HBASE-21001 ReplicationObserver fails to load in HBase 2.0.0 Major .
HBASE-20741 Split of a region with replicas creates all daughter regions and its replica in same server Major read replicas
HBASE-21127 TableRecordReader need to handle cursor result too Major .
HBASE-20892 [UI] Start / End keys are empty on table.jsp Major .
HBASE-21136 NPE in MetricsTableSourceImpl.updateFlushTime Major metrics
HBASE-21132 return wrong result in rest multiget Major .
HBASE-21128 TestAsyncRegionAdminApi.testAssignRegionAndUnassignRegion is broken Major test
HBASE-20940 HStore.cansplit should not allow split to happen if it has references Major .
HBASE-21084 When cloning a snapshot including a split parent region, the split parent region of the cloned table will be online Major snapshots
HBASE-20968 list_procedures_test fails due to no matching regex Major shell, test
HBASE-21030 Correct javadoc for append operation Minor documentation
HBASE-21088 HStoreFile should be closed in HStore#hasReferences Major .
HBASE-20890 PE filterScan seems to be stuck forever Minor .
HBASE-20772 Controlled shutdown fills Master log with the disturbing message "No matching procedure found for rit=OPEN, location=ZZZZ, table=YYYYY, region=XXXX transition to CLOSED Major logging
HBASE-20978 [amv2] Worker terminating UNNATURALLY during MoveRegionProcedure Critical amv2
HBASE-21078 [amv2] CODE-BUG NPE in RTP doing Unassign Major amv2
HBASE-21113 Apply the branch-2 version of HBASE-21095, The timeout retry logic for several procedures are broken after master restarts Major amv2
HBASE-21101 Remove the waitUntilAllRegionsAssigned call after split in TestTruncateTableProcedure Major test
HBASE-19008 Add missing equals or hashCode method(s) to stock Filter implementations Major .
HBASE-20614 REST scan API with incorrect filter text file throws HTTP 503 Service Unavailable error Minor REST
HBASE-21041 Memstore's heap size will be decreased to minus zero after flush Major .
HBASE-21031 Memory leak if replay edits failed during region opening Major .
HBASE-20666 Unsuccessful table creation leaves entry in hbase:rsgroup table Minor .
HBASE-21032 ScanResponses contain only one cell each Major Performance, Scanners
HBASE-20705 Having RPC Quota on a table prevents Space quota to be recreated/removed Major .
HBASE-21058 Nightly tests for branches 1 fail to build ref guide Major documentation
HBASE-21074 JDK7 branches need to pass "-Dhttps.protocols=TLSv1.2" to maven when building Major build, community, test
HBASE-21062 WALFactory has misleading notion of "default" Major wal
HBASE-21047 Object creation of StoreFileScanner thru constructor and close may leave refCount to -1 Major .
HBASE-21005 Maven site configuration causes downstream projects to get a directory named ${project.basedir} Minor build
HBASE-21007 Memory leak in HBase rest server Critical REST
HBASE-20794 CreateTable operation does not log its landing at the master nor the initiator at INFO level Major logging
HBASE-20538 Upgrade our hadoop versions to 2.7.7 and 3.0.3 Critical java, security
HBASE-20927 RSGroupAdminEndpoint doesn't handle clearing dead servers if they are not processed yet. Major .
HBASE-20932 Effective MemStoreSize::hashCode() Major .
HBASE-20928 Rewrite calculation of midpoint in binarySearch functions to prevent overflow Minor io
HBASE-20565 ColumnRangeFilter combined with ColumnPaginationFilter can produce incorrect result since 1.4 Major Filters
HBASE-20908 Infinite loop on regionserver if region replica are reduced Major read replicas
HBASE-19893 restore_snapshot is broken in master branch when region splits Critical snapshots
HBASE-20870 Wrong HBase root dir in ITBLL's Search Tool Minor integration tests
HBASE-20901 Reducing region replica has no effect Major .
HBASE-6028 Implement a cancel for in-progress compactions Minor regionserver
HBASE-20869 Endpoint-based Export use incorrect user to write to destination Major Coprocessors
HBASE-20879 Compacting memstore config should handle lower case Major .
HBASE-20865 CreateTableProcedure is stuck in retry loop in CREATE_TABLE_WRITE_FS_LAYOUT state Major amv2
HBASE-19572 RegionMover should use the configured default port number and not the one from HConstants Major .
HBASE-20697 Can't cache All region locations of the specify table by calling table.getRegionLocator().getAllRegionLocations() Major meta
HBASE-20791 RSGroupBasedLoadBalancer#setClusterMetrics should pass ClusterMetrics to its internalBalancer Major Balancer, rsgroup
HBASE-20770 WAL cleaner logs way too much; gets clogged when lots of work to do Critical logging

TESTS:

JIRA Summary Priority Component
HBASE-21963 Add a script for building and verifying release candidate Minor community, scripts
HBASE-21756 Backport HBASE-21279 (Split TestAdminShell into several tests) to branch-2 Major .
HBASE-20136 TestKeyValue misses ClassRule and Category annotations Minor .
HBASE-21261 Add log4j.properties for hbase-rsgroup tests Trivial .
HBASE-21258 Add resetting of flags for RS Group pre/post hooks in TestRSGroups Major .
HBASE-21097 Flush pressure assertion may fail in testFlushThroughputTuning Major regionserver
HBASE-21138 Close HRegion instance at the end of every test in TestHRegion Major .
HBASE-21161 Enable the test added in HBASE-20741 that was removed accidentally Minor .
HBASE-21076 TestTableResource fails with NPE Major REST, test
HBASE-20907 Fix Intermittent failure on TestProcedurePriority Major .
HBASE-20838 Include hbase-server in precommit test if CommonFSUtils is changed Major .

SUB-TASKS:

JIRA Summary Priority Component
HBASE-21970 Document that how to upgrade from 2.0 or 2.1 to 2.2+ Major .
HBASE-22357 Fix remaining Checkstyle issues in hbase-replication Trivial Replication
HBASE-22554 Upgrade to surefire 2.22.2 Major test
HBASE-22500 Modify pom and jenkins jobs for hadoop versions Blocker build, hadoop2, hadoop3
HBASE-22316 Record the stack trace for current thread in FutureUtils.get Major asyncclient, Client
HBASE-22326 Fix Checkstyle errors in hbase-examples Minor .
HBASE-22327 Fix remaining Checkstyle issues in hbase-hadoop-compat Trivial .
HBASE-22478 Add jackson dependency for hbase-http module Major build, dependencies
HBASE-22445 Add file info when throw exceptions in HFileReaderImpl Major .
HBASE-22447 Check refCount before free block in BucketCache Major BucketCache
HBASE-22400 Remove the adapter code in async fs implementation for hadoop-2.7.x Major wal
HBASE-22430 hbase-vote should tee build and test output to console Trivial .
HBASE-22429 hbase-vote download step requires URL to end with '/' Trivial .
HBASE-22405 Update Ref Guide for EOL of Hadoop 2.7 Major community, documentation
HBASE-22325 AsyncRpcRetryingCaller will not schedule retry if we hit a NotServingRegionException but there is no TableName provided Major asyncclient, Client
HBASE-22322 Use special pause for CallQueueTooBigException Major asyncclient, Client
HBASE-22317 Support reading from meta replicas Major asyncclient, read replicas
HBASE-22261 Make use of ClusterStatusListener for async client Major asyncclient
HBASE-22267 Implement client push back for async client Major asyncclient
HBASE-19763 Fix Checkstyle errors in hbase-procedure Minor .
HBASE-22244 Make use of MetricsConnection in async client Major asyncclient, metrics
HBASE-22196 Split TestRestartCluster Major test
HBASE-22117 Move hasPermission/checkPermissions from region server to master Major .
HBASE-21886 Run ITBLL for branch-2.2 Major .
HBASE-22155 Move 2.2.0 on to hbase-thirdparty-2.2.0 Major thirdparty
HBASE-22153 Fix the flaky TestRestartCluster Major test
HBASE-22152 Create a jenkins file for yetus to processing GitHub PR Major build
HBASE-22158 RawAsyncHBaseAdmin.getTableSplits should filter out none default replicas Major Admin
HBASE-22157 Include the cause when constructing RestoreSnapshotException in restoreSnapshot Major Admin
HBASE-22141 Fix TestAsyncDecommissionAdminApi Major test
HBASE-22135 AsyncAdmin will not refresh master address Major Admin, asyncclient, Client
HBASE-22101 AsyncAdmin.isTableAvailable should not throw TableNotFoundException Major Admin, asyncclient, Client
HBASE-22094 Throw TableNotFoundException if table not exists in AsyncAdmin.compact Major Admin
HBASE-21911 Move getUserPermissions from regionserver to master Major .
HBASE-22015 UserPermission should be annotated as InterfaceAudience.Public Blocker .
HBASE-22066 Add markers to CHANGES.md and RELEASENOTES.md Major .
HBASE-22040 Add mergeRegionsAsync with a List of region names method in AsyncAdmin Major Admin, asyncclient, Client
HBASE-22039 Should add the synchronous parameter for the XXXSwitch method in AsyncAdmin Major Admin, asyncclient, Client
HBASE-22022 nightly fails rat check down in the dev-support/hbase_nightly_source-artifact.sh check Major .
HBASE-22025 RAT check fails in nightlies; fails on (old) test data files. Major .
HBASE-21977 Skip replay WAL and update seqid when open regions restored from snapshot Major Region Assignment, snapshots
HBASE-21999 [DEBUG] Exit if git returns empty revision! Major build
HBASE-22000 Deprecated isTableAvailable with splitKeys Major asyncclient, Client
HBASE-21949 Fix flaky test TestHBaseTestingUtility.testMiniZooKeeperWithMultipleClientPorts Major .
HBASE-21993 Set version as 2.2.0 in branch-2.2 in prep for first RC Major .
HBASE-21997 Fix hbase-rest findbugs ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD complaint Major REST
HBASE-21986 Generate CHANGES.md and RELEASENOTES.md for 2.2.0 Major .
HBASE-21972 Copy master doc into branch-2.2 and edit to make it suit 2.2.0 Major .
HBASE-15728 Add remaining per-table region / store / flush / compaction related metrics Major metrics
HBASE-21934 RemoteProcedureDispatcher should track the ongoing dispatched calls Blocker proc-v2
HBASE-21588 Procedure v2 wal splitting implementation Major .
HBASE-21729 Extract ProcedureCoordinatorRpcs and ProcedureMemberRpcs from CoordinatedStateManager Major .
HBASE-21094 Remove the explicit timeout config for TestTruncateTableProcedure Major test
HBASE-21093 Move TestCreateTableProcedure.testMRegions to a separated file Major test
HBASE-18201 add UT and docs for DataBlockEncodingTool Minor tooling
HBASE-21978 Should close AsyncRegistry if we fail to get cluster id when creating AsyncConnection Major asyncclient, Client
HBASE-21974 Change Admin#grant/revoke parameter from UserPermission to user and Permission Major .
HBASE-21976 Deal with RetryImmediatelyException for batching request Major asyncclient, Client
HBASE-21820 Implement CLUSTER quota scope Major .
HBASE-21962 Filters do not work in ThriftTable Major Thrift
HBASE-21927 Always fail the locate request when error occur Major asyncclient, Client
HBASE-21944 Validate put for batch operation Major asyncclient, Client
HBASE-21945 Maintain the original order when sending batch request Major asyncclient, Client
HBASE-21783 Support exceed user/table/ns throttle quota if region server has available quota Major .
HBASE-21930 Deal with ScannerResetException when opening region scanner Major asyncclient, Client
HBASE-21907 Should set priority for rpc request Major asyncclient, Client
HBASE-21909 Validate the put instance before executing in AsyncTable.put method Major asyncclient, Client
HBASE-21814 Remove the TODO in AccessControlLists#addUserPermission Major .
HBASE-19889 Revert Workaround: Purge User API building from branch-2 so can make a beta-1 Major website
HBASE-21838 Create a special ReplicationEndpoint just for verifying the WAL entries are fine Major Replication, wal
HBASE-21829 Use FutureUtils.addListener instead of calling whenComplete directly Major asyncclient, Client
HBASE-21828 Make sure we do not return CompletionException when locating region Major asyncclient, Client
HBASE-21764 Size of in-memory compaction thread pool should be configurable Major Compaction, in-memory-compaction
HBASE-21809 Add retry thrift client for ThriftTable/Admin Major .
HBASE-21739 Move grant/revoke from regionserver to master Major .
HBASE-21798 Cut branch-2.2 Major .
HBASE-20542 Better heap utilization for IMC with MSLABs Major in-memory-compaction
HBASE-21713 Support set region server throttle quota Major .
HBASE-21761 Align the methods in RegionLocator and AsyncTableRegionLocator Major asyncclient, Client
HBASE-17370 Fix or provide shell scripts to drain and decommission region server Major .
HBASE-21750 Most of KeyValueUtil#length can be replaced by cell#getSerializedSize for better performance because the latter one has been optimized Major .
HBASE-21734 Some optimization in FilterListWithOR Major .
HBASE-21738 Remove all the CSLM#size operation in our memstore because it's an quite time consuming. Critical Performance
HBASE-21034 Add new throttle type: read/write capacity unit Major .
HBASE-21726 Add getAllRegionLocations method to AsyncTableRegionLocator Major asyncclient, Client
HBASE-19695 Handle disabled table for async client Major asyncclient, Client
HBASE-21711 Remove references to git.apache.org/hbase.git Critical .
HBASE-21647 Add status track for splitting WAL tasks Major Operability
HBASE-21705 Should treat meta table specially for some methods in AsyncAdmin Major Admin, asyncclient, Client
HBASE-21663 Add replica scan support Major asyncclient, Client, read replicas
HBASE-21580 Support getting Hbck instance from AsyncConnection Major asyncclient, Client, hbck2
HBASE-21652 Refactor ThriftServer making thrift2 server inherited from thrift1 server Major .
HBASE-21661 Provide Thrift2 implementation of Table/Admin Major .
HBASE-21682 Support getting from specific replica Major read replicas
HBASE-21159 Add shell command to switch throttle on or off Major .
HBASE-21362 Disable printing of stack-trace in shell when quotas are violated Minor shell
HBASE-21361 Disable printing of stack-trace in shell when quotas are not enabled Minor shell
HBASE-17356 Add replica get support Major Client
HBASE-21650 Add DDL operation and some other miscellaneous to thrift2 Major Thrift
HBASE-21401 Sanity check when constructing the KeyValue Critical regionserver
HBASE-21578 Fix wrong throttling exception for capacity unit Major .
HBASE-21570 Add write buffer periodic flush support for AsyncBufferedMutator Major asyncclient, Client
HBASE-21465 Retry on reportRegionStateTransition can lead to unexpected errors Major amv2
HBASE-21508 Ignore the reportRegionStateTransition call from a dead server Major amv2
HBASE-21490 WALProcedure may remove proc wal files still with active procedures Major proc-v2
HBASE-21377 Add debug log for procedure stack id related operations Major proc-v2
HBASE-21472 Should not persist the dispatched field for RegionRemoteProcedureBase Major amv2
HBASE-21473 RowIndexSeekerV1 may return cell with extra two \x00\x00 bytes which has no tags Major .
HBASE-21463 The checkOnlineRegionsReport can accidentally complete a TRSP Critical amv2
HBASE-21376 Add some verbose log to MasterProcedureScheduler Major logging, proc-v2
HBASE-21443 [hbase-connectors] Purge hbase-* modules from core now they've been moved to hbase-connectors Major hbase-connectors, spark
HBASE-21421 Do not kill RS if reportOnlineRegions fails Major .
HBASE-21314 The implementation of BitSetNode is not efficient Major proc-v2
HBASE-21351 The force update thread may have race with PE worker when the procedure is rolling back Critical proc-v2
HBASE-21191 Add a holding-pattern if no assign for meta or namespace (Can happen if masterprocwals have been cleared). Major amv2
HBASE-21322 Add a scheduleServerCrashProcedure() API to HbckService Critical hbck2
HBASE-21375 Revisit the lock and queue implementation in MasterProcedureScheduler Major proc-v2
HBASE-20973 ArrayIndexOutOfBoundsException when rolling back procedure Critical amv2
HBASE-21384 Procedure with holdlock=false should not be restored lock when restarts Blocker .
HBASE-21364 Procedure holds the lock should put to front of the queue after restart Blocker .
HBASE-21215 Figure how to invoke hbck2; make it easy to find Major amv2, hbck2
HBASE-21372 Set hbase.assignment.maximum.attempts to Long.MAX Major amv2
HBASE-21363 Rewrite the buildingHoldCleanupTracker method in WALProcedureStore Major proc-v2
HBASE-21338 [balancer] If balancer is an ill-fit for cluster size, it gives little indication Major Balancer, Operability
HBASE-21192 Add HOW-TO repair damaged AMv2. Major amv2
HBASE-21073 "Maintenance mode" master Major amv2, hbck2, master
HBASE-21354 Procedure may be deleted improperly during master restarts resulting in 'Corrupt' Major .
HBASE-21336 Simplify the implementation of WALProcedureMap Major proc-v2
HBASE-21323 Should not skip force updating for a sub procedure even if it has been finished Major proc-v2
HBASE-21269 Forward-port to branch-2 " HBASE-21213 [hbck2] bypass leaves behind state in RegionStates when assign/unassign" Major amv2
HBASE-20716 Unsafe access cleanup Critical Performance
HBASE-21330 ReopenTableRegionsProcedure will enter an infinite loop if we schedule a TRSP at the same time Major amv2
HBASE-21310 Split TestCloneSnapshotFromClient Major test
HBASE-21311 Split TestRestoreSnapshotFromClient Major test
HBASE-21315 The getActiveMinProcId and getActiveMaxProcId of BitSetNode are incorrect if there are no active procedure Major .
HBASE-21278 Do not rollback successful sub procedures when rolling back a procedure Critical proc-v2
HBASE-21309 Increase the waiting timeout for TestProcedurePriority Major test
HBASE-21254 Need to find a way to limit the number of proc wal files Critical proc-v2
HBASE-21250 Refactor WALProcedureStore and add more comments for better understanding the implementation Major proc-v2
HBASE-19275 TestSnapshotFileCache never worked properly Major .
HBASE-21249 Add jitter for ProcedureUtil.getBackoffTimeMs Major proc-v2
HBASE-21244 Skip persistence when retrying for assignment related procedures Major amv2, Performance, proc-v2
HBASE-21233 Allow the procedure implementation to skip persistence of the state after a execution Major Performance, proc-v2
HBASE-21227 Implement exponential retrying backoff for Assign/UnassignRegionHandler introduced in HBASE-21217 Major amv2, regionserver
HBASE-21217 Revisit the executeProcedure method for open/close region Critical amv2, proc-v2
HBASE-21214 [hbck2] setTableState just sets hbase:meta state, not in-memory state Major amv2, hbck2
HBASE-21023 Add bypassProcedureToCompletion() API to HbckService Major hbck2
HBASE-21156 [hbck2] Queue an assign of hbase:meta and bulk assign/unassign Critical hbck2
HBASE-21169 Initiate hbck2 tool in hbase-operator-tools repo Major hbck2
HBASE-21172 Reimplement the retry backoff logic for ReopenTableRegionsProcedure Major amv2, proc-v2
HBASE-21189 flaky job should gather machine stats Minor test
HBASE-21190 Log files and count of entries in each as we load from the MasterProcWAL store Major amv2
HBASE-21083 Introduce a mechanism to bypass the execution of a stuck procedure Major amv2
HBASE-21017 Revisit the expected states for open/close Major amv2
HBASE-20941 Create and implement HbckService in master Major .
HBASE-21072 Block out HBCK1 in hbase2 Major hbck
HBASE-21095 The timeout retry logic for several procedures are broken after master restarts Critical amv2, proc-v2
HBASE-20975 Lock may not be taken or released while rolling back procedure Major amv2
HBASE-21025 Add cache for TableStateManager Major .
HBASE-21012 Revert the change of serializing TimeRangeTracker Critical .
HBASE-20813 Remove RPC quotas when the associated table/Namespace is dropped off Minor .
HBASE-20885 Remove entry for RPC quota from hbase:quota when RPC quota is removed. Minor .
HBASE-20893 Data loss if splitting region while ServerCrashProcedure executing Major .
HBASE-20950 Helper method to configure secure DFS cluster for tests Major test
HBASE-19369 HBase Should use Builder Pattern to Create Log Files while using WAL on Erasure Coding Major .
HBASE-20939 There will be race when we call suspendIfNotReady and then throw ProcedureSuspendedException Critical amv2
HBASE-20921 Possible NPE in ReopenTableRegionsProcedure Major amv2
HBASE-20867 RS may get killed while master restarts Major .
HBASE-20878 Data loss if merging regions while ServerCrashProcedure executing Critical amv2
HBASE-20846 Restore procedure locks when master restarts Major .
HBASE-20914 Trim Master memory usage Major Balancer, master
HBASE-20853 Polish "Add defaults to Table Interface so Implementors don't have to" Major API
HBASE-20875 MemStoreLABImp::copyIntoCell uses 7% CPU when writing Major Performance
HBASE-20860 Merged region's RIT state may not be cleaned after master restart Major .
HBASE-20847 The parent procedure of RegionTransitionProcedure may not have the table lock Major proc-v2, Region Assignment
HBASE-20776 Update branch-2 version to 2.2.0-SNAPSHOT Major build

OTHER:

JIRA Summary Priority Component
HBASE-21612 Add developer debug options in HBase Config for REST server Minor Operability, REST, scripts
HBASE-18735 Provide a fast mechanism for shutting down mini cluster Major .
HBASE-21489 TestShell is broken Major shell
HBASE-20152 [AMv2] DisableTableProcedure versus ServerCrashProcedure Major amv2
HBASE-20540 [umbrella] Hadoop 3 compatibility Major .
HBASE-21536 Fix completebulkload usage instructions Trivial documentation, mapreduce
HBASE-22449 https everywhere in Maven metadata Minor .
HBASE-22406 skip generating rdoc when building gems in our docker image for running yetus Critical build, test
HBASE-22375 Promote AccessChecker to LimitedPrivate(Coprocessor) Minor Coprocessors, security
HBASE-21714 Deprecated isTableAvailableWithSplit method in thrift module Major Thrift
HBASE-22359 Backport of HBASE-21371 misses activation-api license information Minor build, community
HBASE-22174 Remove error prone from our precommit javac check Major build
HBASE-22231 Remove unused and * imports Minor .
HBASE-22304 Fix remaining Checkstyle issues in hbase-endpoint Trivial .
HBASE-22020 upgrade to yetus 0.9.0 Major build, community
HBASE-22187 Remove usage of deprecated ClusterConnection.clearRegionCache Trivial Client
HBASE-22203 Reformat DemoClient.java Trivial .
HBASE-22189 Remove usage of StoreFile.getModificationTimeStamp Trivial .
HBASE-22108 Avoid passing null in Admin methods Major Admin
HBASE-22007 Add restoreSnapshot and cloneSnapshot with acl methods in AsyncAdmin Major Admin, asyncclient, Client
HBASE-22131 Delete the patches in hbase-protocol-shaded module Major build, Protobufs
HBASE-22099 Backport HBASE-21895 "Error prone upgrade" to branch-2 Major build
HBASE-22052 pom cleaning; filter out jersey-core in hadoop2 to match hadoop3 and remove redunant version specifications Major .
HBASE-22065 Add listTableDescriptors(List<TableName>) method in AsyncAdmin Major Admin
HBASE-22042 Missing @Override annotation for RawAsyncTableImpl.scan Major asyncclient, Client
HBASE-21057 upgrade to latest spotbugs Minor community, test
HBASE-21888 Add a isClosed method to AsyncConnection Major asyncclient, Client
HBASE-21884 Fix box/unbox findbugs warning in secure bulk load Minor .
HBASE-21859 Add clearRegionLocationCache method for AsyncConnection Major asyncclient, Client
HBASE-21853 update copyright notices to 2019 Major documentation
HBASE-21791 Upgrade thrift dependency to 0.12.0 Blocker Thrift
HBASE-21710 Add quota related methods to the Admin interface Major .
HBASE-21782 LoadIncrementalHFiles should not be IA.Public Major mapreduce
HBASE-21762 Move some methods in ClusterConnection to Connection Major Client
HBASE-21715 Do not throw UnsupportedOperationException in ProcedureFuture.get Major Client
HBASE-21716 Add toStringCustomizedValues to TableDescriptor Major .
HBASE-21731 Do not need to use ClusterConnection in IntegrationTestBigLinkedListWithVisibility Major .
HBASE-21685 Change repository urls to Gitbox Critical .
HBASE-21534 TestAssignmentManager is flakey Major test
HBASE-21541 Move MetaTableLocator.verifyRegionLocation to hbase-rsgroup module Major .
HBASE-21265 Split up TestRSGroups Minor rsgroup, test
HBASE-21517 Move the getTableRegionForRow method from HMaster to TestMaster Major test
HBASE-21281 Update bouncycastle dependency. Major dependencies, test
HBASE-21198 Exclude dependency on net.minidev:json-smart Major .
HBASE-21282 Upgrade to latest jetty 9.2 and 9.3 versions Major dependencies
HBASE-21287 JVMClusterUtil Master initialization wait time not configurable Major test
HBASE-21168 BloomFilterUtil uses hardcoded randomness Trivial .
HBASE-20482 Print a link to the ref guide chapter for the shell during startup Minor documentation, shell
HBASE-20942 Improve RpcServer TRACE logging Major Operability
HBASE-20989 Minor, miscellaneous logging fixes Trivial logging

Release 2.1.0 - Unreleased (as of 2018-07-10)

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component
HBASE-20691 Storage policy should allow deferring to HDFS Blocker Filesystem Integration, wal
HBASE-20270 Turn off command help that follows all errors in shell Major shell
HBASE-20501 Change the Hadoop minimum version to 2.7.1 Blocker community, documentation
HBASE-20406 HBase Thrift HTTP - Shouldn't handle TRACE/OPTIONS methods Major security, Thrift
HBASE-20159 Support using separate ZK quorums for client Major Client, Operability, Zookeeper
HBASE-20148 Make serial replication as a option for a peer instead of a table Major Replication

NEW FEATURES:

JIRA Summary Priority Component
HBASE-20833 Modify pre-upgrade coprocessor validator to support table level coprocessors Major Coprocessors
HBASE-15809 Basic Replication WebUI Critical Replication, UI
HBASE-19735 Create a minimal "client" tarball installation Major build, Client
HBASE-20656 Validate pre-2.0 coprocessors against HBase 2.0+ Major tooling
HBASE-20592 Create a tool to verify tables do not have prefix tree encoding Minor Operability, tooling
HBASE-20046 Reconsider the implementation for serial replication Major Replication
HBASE-19397 Design procedures for ReplicationManager to notify peer change event from master Major proc-v2, Replication

IMPROVEMENTS:

JIRA Summary Priority Component
HBASE-20806 Split style journal for flushes and compactions Minor .
HBASE-20474 Show non-RPC tasks on master/regionserver Web UI by default Major UI
HBASE-20826 Truncate responseInfo attributes on RpcServer WARN messages Major rpc
HBASE-20450 Provide metrics for number of total active, priority and replication rpc handlers Major metrics
HBASE-20810 Include the procedure id in the exception message in HBaseAdmin for better debugging Major Admin, proc-v2
HBASE-20040 Master UI should include "Cluster Key" needed to use the cluster as a replication sink Minor Replication, Usability
HBASE-20095 Redesign single instance pool in CleanerChore Critical .
HBASE-19164 Avoid UUID.randomUUID in tests Major test
HBASE-20739 Add priority for SCP Major Recovery
HBASE-20737 put collection into ArrayList instead of addAll function Trivial .
HBASE-20695 Implement table level RegionServer replication metrics Minor metrics
HBASE-20733 QABot should run checkstyle tests if the checkstyle configs change Minor build, community
HBASE-20625 refactor some WALCellCodec related code Minor wal
HBASE-19852 HBase Thrift 1 server SPNEGO Improvements Major Thrift
HBASE-20579 Improve snapshot manifest copy in ExportSnapshot Minor mapreduce
HBASE-20444 Improve version comparison logic for HBase specific version string and add unit tests Major util
HBASE-20594 provide utility to compare old and new descriptors Major .
HBASE-20640 TestQuotaGlobalsSettingsBypass missing test category and ClassRule Critical test
HBASE-20478 move import checks from hbaseanti to checkstyle Minor test
HBASE-20548 Master fails to startup on large clusters, refreshing block distribution Major .
HBASE-20488 PE tool prints full name in help message Minor shell
HBASE-20567 Pass both old and new descriptors to pre/post hooks of modify operations for table and namespace Major .
HBASE-20545 Improve performance of BaseLoadBalancer.retainAssignment Major Balancer
HBASE-16191 Add stop_regionserver and stop_master to shell Major .
HBASE-20536 Make TestRegionServerAccounting stable and it should not use absolute number Minor .
HBASE-20523 PE tool should support configuring client side buffering sizes Minor .
HBASE-20527 Remove unused code in MetaTableAccessor Trivial .
HBASE-20507 Do not need to call recoverLease on the broken file when we fail to create a wal writer Major wal
HBASE-20484 Remove the unnecessary autoboxing in FilterListBase Trivial .
HBASE-20327 When qualifier is not specified, append and incr operation do not work (shell) Minor shell
HBASE-20389 Move website building flags into a profile Minor build, website
HBASE-20379 shadedjars yetus plugin should add a footer link Major test
HBASE-20243 [Shell] Add shell command to create a new table by cloning the existent table Minor shell
HBASE-20286 Improving shell command compaction_state Minor shell
HBASE-19488 Move to using Apache commons CollectionUtils Trivial .
HBASE-20197 Review of ByteBufferWriterOutputStream.java Minor .
HBASE-20047 AuthenticationTokenIdentifier should provide a toString Minor Usability
HBASE-19024 Configurable default durability for synchronous WAL Critical wal
HBASE-19389 Limit concurrency of put with dense (hundreds) columns to prevent write handler exhausted Critical Performance
HBASE-20186 Improve RSGroupBasedLoadBalancer#balanceCluster() to be more efficient when calculating cluster state for each rsgroup Minor rsgroup
HBASE-19449 Minor logging change in HFileArchiver Trivial .
HBASE-20120 Remove some unused classes/ java files from hbase-server Minor .

BUG FIXES:

JIRA Summary Priority Component
HBASE-20854 Wrong retries number in RpcRetryingCaller's log message Minor Client, logging
HBASE-20784 Will lose the SNAPSHOT suffix if we get the version of RS from ServerManager Minor master, UI
HBASE-20822 TestAsyncNonMetaRegionLocator is flakey Major asyncclient
HBASE-20808 Wrong shutdown order between Chores and ChoreService Minor .
HBASE-20789 TestBucketCache#testCacheBlockNextBlockMetadataMissing is flaky Major .
HBASE-20829 Remove the addFront assertion in MasterProcedureScheduler.doAdd Major Replication
HBASE-20825 Fix pre and post hooks of CloneSnapshot and RestoreSnapshot for Access checks Major security
HBASE-20812 Add defaults to Table Interface so implementors don't have to Major .
HBASE-20817 Infinite loop when executing ReopenTableRegionsProcedure Blocker Region Assignment
HBASE-20792 info:servername and info:sn inconsistent for OPEN region Blocker Region Assignment
HBASE-20769 getSplits() has a out of bounds problem in TableSnapshotInputFormatImpl Major .
HBASE-20732 Shutdown scan pool when master is stopped. Minor .
HBASE-20785 NPE getting metrics in PE testing scans Major Performance
HBASE-20795 Allow option in BBKVComparator.compare to do comparison without sequence id Major .
HBASE-20777 RpcConnection could still remain opened after we shutdown the NettyRpcServer Major rpc
HBASE-20403 Prefetch sometimes doesn't work with encrypted file system Major .
HBASE-20635 Support to convert the shaded user permission proto to client user permission object Major .
HBASE-20778 Make it so WALPE runs on DFS Major test
HBASE-20775 TestMultiParallel is flakey Major Region Assignment
HBASE-20752 Make sure the regions are truly reopened after ReopenTableRegionsProcedure Major proc-v2
HBASE-18622 Mitigate API compatibility concerns between branch-1 and branch-2 Blocker API
HBASE-20767 Always close hbaseAdmin along with connection in HBTU Major test
HBASE-20642 IntegrationTestDDLMasterFailover throws 'InvalidFamilyOperationException Major .
HBASE-20742 Always create WAL directory for region server Major wal
HBASE-20708 Remove the usage of RecoverMetaProcedure in master startup Blocker proc-v2, Region Assignment
HBASE-20723 Custom hbase.wal.dir results in data loss because we write recovered edits into a different place than where the recovering region server looks for them Critical Recovery, wal
HBASE-20681 IntegrationTestDriver fails after HADOOP-15406 due to missing hamcrest-core Major integration tests
HBASE-20561 The way we stop a ReplicationSource may cause the RS down Major Replication
HBASE-19377 Compatibility checker complaining about hash collisions Major community
HBASE-20689 Docker fails to install rubocop for precommit Blocker build
HBASE-20707 Move MissingSwitchDefault check from checkstyle to error-prone Major build
HBASE-20699 QuotaCache should cancel the QuotaRefresherChore service inside its stop() Major .
HBASE-20590 REST Java client is not able to negotiate with the server in the secure mode Critical REST, security
HBASE-20683 Incorrect return value for PreUpgradeValidator Critical .
HBASE-20684 org.apache.hadoop.hbase.client.Scan#setStopRow javadoc uses incorrect method Trivial Client, documentation
HBASE-20678 NPE in ReplicationSourceManager#NodeFailoverWorker Minor .
HBASE-20670 NPE in HMaster#isInMaintenanceMode Minor .
HBASE-20634 Reopen region while server crash can cause the procedure to be stuck Critical .
HBASE-12882 Log level for org.apache.hadoop.hbase package should be configurable Major .
HBASE-20668 Avoid permission change if ExportSnapshot's copy fails Major .
HBASE-18116 Replication source in-memory accounting should not include bulk transfer hfiles Major Replication
HBASE-20602 hbase.master.quota.observer.ignore property seems to be not taking effect Minor documentation
HBASE-20664 Variable shared across multiple threads Major .
HBASE-20659 Implement a reopen table regions procedure Major .
HBASE-20582 Bump up JRuby version because of some reported vulnerabilities Major dependencies, shell
HBASE-20533 Fix the flaky TestAssignmentManagerMetrics Major .
HBASE-20597 Use a lock to serialize access to a shared reference to ZooKeeperWatcher in HBaseReplicationEndpoint Minor Replication
HBASE-20633 Dropping a table containing a disable violation policy fails to remove the quota upon table delete Major .
HBASE-20645 Fix security_available method in security.rb Major .
HBASE-20612 TestReplicationKillSlaveRSWithSeparateOldWALs sometimes fail because it uses an expired cluster conn Major .
HBASE-20648 HBASE-19364 "Truncate_preserve fails with table when replica region > 1" for master branch Major .
HBASE-20588 Space quota change after quota violation doesn't seem to take in effect Major regionserver
HBASE-20616 TruncateTableProcedure is stuck in retry loop in TRUNCATE_TABLE_CREATE_FS_LAYOUT state Major amv2
HBASE-20638 nightly source artifact testing should fail the stage if it's going to report an error on jira Major test
HBASE-20624 Race in ReplicationSource which causes walEntryFilter being null when creating new shipper Major Replication
HBASE-20601 Add multiPut support and other miscellaneous to PE Minor tooling
HBASE-20627 Relocate RS Group pre/post hooks from RSGroupAdminServer to RSGroupAdminEndpoint Major .
HBASE-20591 nightly job doesn't respect maven options Critical test
HBASE-20560 Revisit the TestReplicationDroppedTables ut Major .
HBASE-20571 JMXJsonServlet generates invalid JSON if it has NaN in metrics Major UI
HBASE-20585 Need to clear peer map when clearing MasterProcedureScheduler Major proc-v2
HBASE-20457 Return immediately for a scan rpc call when we want to switch from pread to stream Major scan
HBASE-20447 Only fail cacheBlock if block collisions aren't related to next block metadata Major BlockCache, BucketCache
HBASE-20544 downstream HBaseTestingUtility fails with invalid port Blocker test
HBASE-20004 Client is not able to execute REST queries in a secure cluster Minor REST, security
HBASE-20475 Fix the flaky TestReplicationDroppedTables unit test. Major .
HBASE-20554 "WALs outstanding" message from CleanerChore is noisy Trivial .
HBASE-20204 Add locking to RefreshFileConnections in BucketCache Major BucketCache
HBASE-20485 Copy constructor of Scan doesn't copy the readType and replicaId Minor .
HBASE-20543 Fix the flaky TestThriftHttpServer Major .
HBASE-20521 TableOutputFormat.checkOutputSpecs conf checking sequence cause pig script run fail Major mapreduce
HBASE-20500 [rsgroup] should keep at least one server in default group Major rsgroup
HBASE-20517 Fix PerformanceEvaluation 'column' parameter Major test
HBASE-20524 Need to clear metrics when ReplicationSourceManager refresh replication sources Minor .
HBASE-20476 Open sequence number could go backwards in AssignProcedure Major Region Assignment
HBASE-20506 Add doc and test for unused RetryCounter, useful-looking utility Minor .
HBASE-20492 UnassignProcedure is stuck in retry loop on region stuck in OPENING state Critical amv2
HBASE-20497 The getRecoveredQueueStartPos always return 0 in RecoveredReplicationSourceShipper Major Replication
HBASE-18842 The hbase shell clone_snaphost command returns bad error message Minor shell
HBASE-20466 Consistently use override mechanism for exempt classes in CoprocessClassloader Major Coprocessors
HBASE-20006 TestRestoreSnapshotFromClientWithRegionReplicas is flakey Critical read replicas
HBASE-18059 The scanner order for memstore scanners are wrong Critical regionserver, scan, Scanners
HBASE-20404 Ugly cleanerchore complaint that dir is not empty Major master
HBASE-20419 Fix potential NPE in ZKUtil#listChildrenAndWatchForNewChildren callers Major .
HBASE-20364 nightly job gives old results or no results for stages that timeout on SCM Critical test
HBASE-20335 nightly jobs no longer contain machine information Critical test
HBASE-20338 WALProcedureStore#recoverLease() should have fixed sleeps for retrying rollWriter() Major .
HBASE-20356 make skipping protoc possible Critical dependencies, thirdparty
HBASE-15291 FileSystem not closed in secure bulkLoad Major .
HBASE-20068 Hadoopcheck project health check uses default maven repo instead of yetus managed ones Major community, test
HBASE-20361 Non-successive TableInputSplits may wrongly be merged by auto balancing feature Major mapreduce
HBASE-20260 Purge old content from the book for branch-2/master Critical documentation
HBASE-20058 improper quoting in presplitting command docs Minor documentation
HBASE-19923 Reset peer state and config when refresh replication source failed Major Replication
HBASE-19748 TestRegionReplicaFailover and TestRegionReplicaReplicationEndpoint UT hangs Major .

TESTS:

JIRA Summary Priority Component
HBASE-20667 Rename TestGlobalThrottler to TestReplicationGlobalThrottler Trivial .
HBASE-20646 TestWALProcedureStoreOnHDFS failing on branch-1 Trivial .
HBASE-20505 PE should support multi column family read and write cases Minor .
HBASE-20513 Collect and emit ScanMetrics in PerformanceEvaluation Minor test
HBASE-20414 TestLockProcedure#testMultipleLocks may fail on slow machine Major .

SUB-TASKS:

JIRA Summary Priority Component
HBASE-20831 Copy master doc into branch-2.1 and edit to make it suit 2.1.0 Blocker documentation
HBASE-20839 Fallback to FSHLog if we can not instantiated AsyncFSWAL when user does not specify AsyncFSWAL explicitly Blocker wal
HBASE-20244 NoSuchMethodException when retrieving private method decryptEncryptedDataEncryptionKey from DFSClient Blocker wal
HBASE-20193 Basic Replication Web UI - Regionserver Critical Replication, Usability
HBASE-20489 Update Reference Guide that CLUSTER_KEY value is present on the Master UI info page. Minor documentation
HBASE-19722 Meta query statistics metrics source Major .
HBASE-20781 Save recalculating families in a WALEdit batch of Cells Major Performance
HBASE-20194 Basic Replication WebUI - Master Critical Replication, Usability
HBASE-20780 ServerRpcConnection logging cleanup Major logging, Performance
HBASE-19764 Fix Checkstyle errors in hbase-endpoint Minor .
HBASE-20710 extra cloneFamily() in Mutation.add(Cell) Minor regionserver
HBASE-18569 Add prefetch support for async region locator Major asyncclient, Client
HBASE-20706 [hack] Don't add known not-OPEN regions in reopen phase of MTP Critical amv2
HBASE-20334 add a test that expressly uses both our shaded client and the one from hadoop 3 Major hadoop3, shading
HBASE-20615 emphasize use of shaded client jars when they're present in an install Major build, Client, Usability
HBASE-20333 break up shaded client into one with no Hadoop and one that's standalone Critical shading
HBASE-20332 shaded mapreduce module shouldn't include hadoop Critical mapreduce, shading
HBASE-20722 Make RegionServerTracker only depend on children changed event Major .
HBASE-20700 Move meta region when server crash can cause the procedure to be stuck Critical master, proc-v2, Region Assignment
HBASE-20628 SegmentScanner does over-comparing when one flushing Critical Performance
HBASE-19761 Fix Checkstyle errors in hbase-zookeeper Minor .
HBASE-19724 Fix Checkstyle errors in hbase-hadoop2-compat Minor .
HBASE-20518 Need to serialize the enabled field for UpdatePeerConfigProcedure Major Replication
HBASE-20481 Replicate entries from same region serially in ReplicationEndpoint for serial replication Major .
HBASE-20378 Provide a hbck option to cleanup replication barrier for a table Major .
HBASE-20128 Add new UTs which extends the old replication UTs but set replication scope to SERIAL Major .
HBASE-20417 Do not read wal entries when peer is disabled Major Replication
HBASE-20294 Also cleanup last pushed sequence id in ReplicationBarrierCleaner Major Replication
HBASE-20377 Deal with table in enabling and disabling state when modifying serial replication peer Major Replication
HBASE-20367 Write a replication barrier for regions when disabling a table Major Replication
HBASE-20296 Remove last pushed sequence ids when removing tables from a peer Major Replication
HBASE-20285 Delete all last pushed sequence ids when removing a peer or removing the serial flag for a peer Major Replication
HBASE-20138 Find a way to deal with the conflicts when updating replication position Major Replication
HBASE-20127 Add UT for serial replication after failover Major Replication, test
HBASE-20271 ReplicationSourceWALReader.switched should use the file name instead of the path object directly Major Replication
HBASE-20227 Add UT for ReplicationUtils.contains method Major Replication, test
HBASE-20147 Serial replication will be stuck if we create a table with serial replication but add it to a peer after there are region moves Major .
HBASE-20116 Optimize the region last pushed sequence id layout on zk Major Replication
HBASE-20242 The open sequence number will grow if we fail to open a region after writing the max sequence id file Major .
HBASE-20155 update branch-2 version to 2.1.0-SNAPSHOT Major build, community
HBASE-20206 WALEntryStream should not switch WAL file silently Major Replication
HBASE-20117 Cleanup the unused replication barriers in meta table Major master, Replication
HBASE-20165 Shell command to make a normal peer to be a serial replication peer Major .
HBASE-20167 Optimize the implementation of ReplicationSourceWALReader Major Replication
HBASE-20125 Add UT for serial replication after region split and merge Major Replication
HBASE-20129 Add UT for serial replication checker Major Replication
HBASE-20115 Reimplement serial replication based on the new replication storage layer Major Replication
HBASE-20050 Reimplement updateReplicationPositions logic in serial replication based on the newly introduced replication storage layer Major .
HBASE-20082 Fix findbugs errors only on master which are introduced by HBASE-19397 Major findbugs
HBASE-19936 Introduce a new base class for replication peer procedure Major .
HBASE-19719 Fix checkstyle issues Major proc-v2, Replication
HBASE-19711 TestReplicationAdmin.testConcurrentPeerOperations hangs Major proc-v2
HBASE-19707 Race in start and terminate of a replication source after we async start replicatione endpoint Major proc-v2, Replication
HBASE-19636 All rs should already start work with the new peer change when replication peer procedure is finished Major proc-v2, Replication
HBASE-19634 Add permission check for executeProcedures in AccessController Major proc-v2, Replication
HBASE-19697 Remove TestReplicationAdminUsingProcedure Major proc-v2, Replication
HBASE-19661 Replace ReplicationStateZKBase with ZKReplicationStorageBase Major proc-v2, Replication
HBASE-19687 Move the logic in ReplicationZKNodeCleaner to ReplicationChecker and remove ReplicationZKNodeCleanerChore Major proc-v2, Replication
HBASE-19544 Add UTs for testing concurrent modifications on replication peer Major proc-v2, Replication, test
HBASE-19686 Use KeyLocker instead of ReentrantLock in PeerProcedureHandlerImpl Major proc-v2, Replication
HBASE-19623 Create replication endpoint asynchronously when adding a replication source Major proc-v2, Replication
HBASE-19633 Clean up the replication queues in the postPeerModification stage when removing a peer Major proc-v2, Replication
HBASE-19622 Reimplement ReplicationPeers with the new replication storage interface Major proc-v2, Replication
HBASE-19635 Introduce a thread at RS side to call reportProcedureDone Major proc-v2
HBASE-19617 Remove ReplicationQueues, use ReplicationQueueStorage directly Major Replication
HBASE-19642 Fix locking for peer modification procedure Critical proc-v2, Replication
HBASE-19592 Add UTs to test retry on update zk failure Major proc-v2, Replication
HBASE-19630 Add peer cluster key check when add new replication peer Major proc-v2, Replication
HBASE-19573 Rewrite ReplicationPeer with the new replication storage interface Major proc-v2, Replication
HBASE-19579 Add peer lock test for shell command list_locks Major proc-v2, Replication
HBASE-19599 Remove ReplicationQueuesClient, use ReplicationQueueStorage directly Major Replication
HBASE-19543 Abstract a replication storage interface to extract the zk specific code Major proc-v2, Replication
HBASE-19525 RS side changes for moving peer modification from zk watcher to procedure Major proc-v2, Replication
HBASE-19580 Use slf4j instead of commons-logging in new, just-added Peer Procedure classes Major proc-v2, Replication
HBASE-19520 Add UTs for the new lock type PEER Major proc-v2
HBASE-19564 Procedure id is missing in the response of peer related operations Major proc-v2, Replication
HBASE-19536 Client side changes for moving peer modification from zk watcher to procedure Major Replication
HBASE-19524 Master side changes for moving peer modification from zk watcher to procedure Major proc-v2, Replication
HBASE-19216 Implement a general framework to execute remote procedure on RS Major proc-v2, Replication

OTHER:

JIRA Summary Priority Component
HBASE-19997 [rolling upgrade] 1.x => 2.x Blocker .
HBASE-20360 Further optimization for serial replication Major Replication
HBASE-20862 Address 2.1.0 Compatibility Report Issues Blocker compatibility
HBASE-20665 "Already cached block XXX" message should be DEBUG Minor BlockCache
HBASE-20677 Backport test of HBASE-20566 'Creating a system table after enabling rsgroup feature puts region into RIT' to branch-2 Major .
HBASE-19475 Extend backporting strategy in documentation Trivial documentation
HBASE-20595 Remove the concept of 'special tables' from rsgroups Major Region Assignment, rsgroup
HBASE-20415 branches-2 don't need maven-scala-plugin Major build
HBASE-20112 Include test results from nightly hadoop3 tests in jenkins test results Critical test
HBASE-17918 document serial replication Critical documentation, Replication
HBASE-19737 Manage a HBASE-19397-branch-2 branch and merge it to branch-2 Major proc-v2, Replication

Release 2.0.0 - Unreleased (as of 2018-04-22)

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component
HBASE-20276 [shell] Revert shell REPL change and document Blocker documentation, shell
HBASE-16459 Remove unused hbase shell --format option Trivial shell
HBASE-19128 Purge Distributed Log Replay from codebase, configurations, text; mark the feature as unsupported, broken. Major documentation
HBASE-19504 Add TimeRange support into checkAndMutate Major .
HBASE-20119 Introduce a pojo class to carry coprocessor information in order to make TableDescriptorBuilder accept multiple cp at once Minor .
HBASE-19437 Batch operation can't handle the null result for Append/Increment Critical Usability
HBASE-19873 Add a CategoryBasedTimeout ClassRule for all UTs Major .
HBASE-19783 Change replication peer cluster key/endpoint from a not-null value to null is not allowed Minor Replication
HBASE-19483 Add proper privilege check for rsgroup commands Major rsgroup, security
HBASE-19492 Add EXCLUDE_NAMESPACE and EXCLUDE_TABLECFS support to replication peer config Major .
HBASE-19357 Bucket cache no longer L2 for LRU cache Major .
HBASE-19359 Revisit the default config of hbase client retries number Major .
HBASE-19092 Make Tag IA.LimitedPrivate and expose for CPs Critical Coprocessors
HBASE-19187 Remove option to create on heap bucket cache Minor regionserver
HBASE-19033 Allow CP users to change versions and TTL before opening StoreScanner Blocker Coprocessors
HBASE-19047 CP exposed Scanner types should not extend Shipper Critical Coprocessors
HBASE-18905 Allow CPs to request flush on Region and know the completion of the requested flush Major Coprocessors
HBASE-18410 FilterList Improvement. Major Filters
HBASE-18893 Remove Add/Modify/DeleteColumnFamilyProcedure in favor of using ModifyTableProcedure Major Coprocessors, master
HBASE-19067 Do not expose getHDFSBlockDistribution in StoreFile Major Coprocessors
HBASE-18989 Polish the compaction related CP hooks Major Compaction, Coprocessors
HBASE-19046 RegionObserver#postCompactSelection Avoid passing shaded ImmutableList param Major Coprocessors
HBASE-19001 Remove the hooks in RegionObserver which are designed to construct a StoreScanner which is marked as IA.Private Major Coprocessors
HBASE-14247 Separate the old WALs into different regionserver directories Critical wal
HBASE-18183 Region interface cleanup for CP expose Major Coprocessors
HBASE-18878 Use Optional<T> return types when T can be null Major Coprocessors
HBASE-18649 Deprecate KV Usage in MR to move to Cells in 3.0 Major API, mapreduce
HBASE-18897 Substitute MemStore for Memstore Major .
HBASE-18883 Upgrade to Curator 4.0 Major Client, dependencies
HBASE-18839 Apply RegionInfo to code base Major Coprocessors
HBASE-18826 Use HStore instead of Store in our own code base and remove unnecessary methods in Store interface Major Coprocessors
HBASE-17732 Coprocessor Design Improvements Critical Coprocessors
HBASE-18298 RegionServerServices Interface cleanup for CP expose Critical Coprocessors
HBASE-16769 Deprecate/remove PB references from MasterObserver and RegionServerObserver Blocker .
HBASE-18859 Purge PB from BulkLoadObserver Major Coprocessors
HBASE-18731 [compat 1-2] Mark protected methods of QuotaSettings that touch Protobuf internals as IA.Private Major API
HBASE-18825 Use HStoreFile instead of StoreFile in our own code base and remove unnecessary methods in StoreFile interface Major Coprocessors
HBASE-18142 Deletion of a cell deletes the previous versions too Major API, shell
HBASE-18446 Mark StoreFileScanner/StoreFileReader as IA.LimitedPrivate(Phoenix) Critical Coprocessors
HBASE-18798 Remove the unused methods in RegionServerObserver Major Coprocessors
HBASE-18453 CompactionRequest should not be exposed to user directly Major Coprocessors
HBASE-18794 Remove deprecated methods in MasterObserver Major Coprocessors
HBASE-17823 Migrate to Apache Yetus Audience Annotations Major API
HBASE-18793 Remove deprecated methods in RegionObserver Major Coprocessors
HBASE-18733 [compat 1-2] Hide WALKey Major API
HBASE-16479 Move WALEdit from hbase.regionserver.wal package to hbase.wal package Major wal
HBASE-18783 Declare the builder of ClusterStatus as IA.Private, and remove the Writables from ClusterStatus Minor .
HBASE-18106 Redo ProcedureInfo and LockInfo Critical proc-v2
HBASE-18780 Remove HLogPrettyPrinter and hlog command Minor documentation, wal
HBASE-18704 Upgrade hbase to commons-collections 4 Major dependencies
HBASE-15607 Remove PB references from Admin for 2.0 Blocker .
HBASE-18736 Cleanup the HTD/HCD for Admin Major .
HBASE-18577 shaded client includes several non-relocated third party dependencies Critical Client
HBASE-3935 HServerLoad.storefileIndexSizeMB should be changed to storefileIndexSizeKB Major .
HBASE-15982 Interface ReplicationEndpoint extends Guava's Service Blocker .
HBASE-18546 Always overwrite the TS for Append/Increment unless no existing cells are found Critical API, Client
HBASE-17442 Move most of the replication related classes from hbase-client to hbase-replication package Critical build, Replication
HBASE-18511 Default no regions on master Blocker master
HBASE-18528 DON'T allow user to modify the passed table/column descriptor Critical Coprocessors, master
HBASE-18469 Correct RegionServer metric of totalRequestCount Critical metrics, regionserver
HBASE-18500 Performance issue: Don't use BufferedMutator for HTable's put method Major .
HBASE-17125 Inconsistent result when use filter to read data Critical .
HBASE-18517 limit max log message width in log4j Major .
HBASE-18502 Change MasterObserver to use TableDescriptor and ColumnFamilyDescriptor Critical Coprocessors, master
HBASE-18374 RegionServer Metrics improvements Major .
HBASE-17908 Upgrade guava Critical dependencies
HBASE-18161 Incremental Load support for Multiple-Table HFileOutputFormat Minor .
HBASE-18267 The result from the postAppend is ignored Major Coprocessors
HBASE-18241 Change client.Table, client.Admin, Region, Store, and HBaseTestingUtility to not use HTableDescriptor or HColumnDescriptor Critical Client
HBASE-18038 Rename StoreFile to HStoreFile and add a StoreFile interface for CP Critical Coprocessors, regionserver
HBASE-16196 Update jruby to a newer version. Critical dependencies, shell
HBASE-14614 Procedure v2: Core Assignment Manager Major proc-v2
HBASE-3462 Fix table.jsp in regards to splitting a region/table with an optional splitkey Major master
HBASE-11013 Clone Snapshots on Secure Cluster Should provide option to apply Retained User Permissions Major snapshots
HBASE-15296 Break out writer and reader from StoreFile Major regionserver
HBASE-15199 Move jruby jar so only on hbase-shell module classpath; currently globally available Critical dependencies, jruby, shell
HBASE-18009 Move RpcServer.Call to a separated file Major IPC/RPC
HBASE-17956 Raw scan should ignore TTL Major scan
HBASE-17914 Create a new reader instead of cloning a new StoreFile when compaction Major Compaction, regionserver
HBASE-17595 Add partial result support for small/limited scan Critical asyncclient, Client, scan
HBASE-17584 Expose ScanMetrics with ResultScanner rather than Scan Major Client, mapreduce, scan
HBASE-17716 Formalize Scan Metric names Minor metrics
HBASE-17312 [JDK8] Use default method for Observer Coprocessors Major Coprocessors
HBASE-17647 OffheapKeyValue#heapSize() implementation is wrong Major regionserver
HBASE-17472 Correct the semantic of permission grant Major Admin
HBASE-17599 Use mayHaveMoreCellsInRow instead of isPartial Major Client, scan
HBASE-17508 Unify the implementation of small scan and regular scan for sync client Major Client, scan
HBASE-12894 Upgrade Jetty to 9.2.6 Critical REST, UI
HBASE-16786 Procedure V2 - Move ZK-lock's uses to Procedure framework locks (LockProcedure) Major .
HBASE-17470 Remove merge region code from region server Major regionserver
HBASE-5401 PerformanceEvaluation generates 10x the number of expected mappers Major test
HBASE-17221 Abstract out an interface for RpcServer.Call Major .
HBASE-16119 Procedure v2 - Reimplement merge Major proc-v2, Region Assignment
HBASE-17132 Cleanup deprecated code for WAL Major wal
HBASE-17017 Remove the current per-region latency histogram metrics Major metrics
HBASE-15513 hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default Major .
HBASE-16972 Log more details for Scan#next request when responseTooSlow Major Operability
HBASE-16765 New SteppingRegionSplitPolicy, avoid too aggressive spread of regions for small tables. Critical .
HBASE-16747 Track memstore data size and heap overhead separately Major regionserver
HBASE-14551 Procedure v2 - Reimplement split Minor proc-v2
HBASE-16729 Define the behavior of (default) empty FilterList Trivial .
HBASE-16799 CP exposed Store should not expose unwanted APIs Major .
HBASE-16117 Fix Connection leak in mapred.TableOutputFormat Major mapreduce
HBASE-15638 Shade protobuf Critical Protobufs
HBASE-16257 Move staging dir to be under hbase root dir Blocker .
HBASE-16650 Wrong usage of BlockCache eviction stat for heap memory tuning Major .
HBASE-16598 Enable zookeeper useMulti always and clean up in HBase code Major .
HBASE-15297 error message is wrong when a wrong namspace is specified in grant in hbase shell Minor shell
HBASE-16340 ensure no Xerces jars included Critical dependencies
HBASE-16321 Ensure findbugs jsr305 jar isn't present Blocker dependencies
HBASE-16355 hbase-client dependency on hbase-common test-jar should be test scope Major Client, dependencies
HBASE-16186 Fix AssignmentManager MBean name Major master
HBASE-13823 Procedure V2: unnecessaery operations on AssignmentManager#recoverTableInDisablingState() and recoverTableInEnablingState() Major master, proc-v2
HBASE-15950 Fix memstore size estimates to be more tighter Major .
HBASE-15971 Regression: Random Read/WorkloadC slower in 1.x than 0.98 Critical rpc
HBASE-15875 Remove HTable references and HTableInterface Major .
HBASE-15610 Remove deprecated HConnection for 2.0 thus removing all PB references for 2.0 Blocker .
HBASE-15876 Remove doBulkLoad(Path hfofDir, final HTable table) though it has not been through a full deprecation cycle Blocker .
HBASE-15575 Rename table DDL *Handler methods in MasterObserver to more meaningful names Minor Coprocessors
HBASE-15481 Add pre/post roll to WALObserver Trivial .
HBASE-15568 Procedure V2 - Remove CreateTableHandler in HBase Apache 2.0 release Major master, proc-v2
HBASE-15521 Procedure V2 - RestoreSnapshot and CloneSnapshot Major Client, master, proc-v2
HBASE-11393 Replication TableCfs should be a PB object rather than a string Major Replication
HBASE-15265 Implement an asynchronous FSHLog Major wal
HBASE-15323 Hbase Rest CheckAndDeleteAPi should be able to delete more cells Major hbase
HBASE-15377 Per-RS Get metric is time based, per-region metric is size-based Major .
HBASE-13963 avoid leaking jdk.tools Critical build, documentation
HBASE-15376 ScanNext metric is size-based while every other per-operation metric is time based Major .
HBASE-15290 Hbase Rest CheckAndAPI should save other cells along with compared cell Major hbase
HBASE-15100 Master WALProcs still never clean up Blocker master, proc-v2
HBASE-15111 "hbase version" should write to stdout Trivial util
HBASE-14888 ClusterSchema: Add Namespace Operations Major API
HBASE-15018 Inconsistent way of handling TimeoutException in the rpc client implementations Major Client, IPC/RPC
HBASE-14205 RegionCoprocessorHost System.nanoTime() performance bottleneck Critical Coprocessors, Performance, regionserver
HBASE-12751 Allow RowLock to be reader writer Major regionserver
HBASE-13706 CoprocessorClassLoader should not exempt Hive classes Minor Coprocessors
HBASE-13954 Remove HTableInterface#getRowOrBefore related server side code Major API
HBASE-12296 Filters should work with ByteBufferedCell Major regionserver, Scanners
HBASE-14027 Clean up netty dependencies Major build
HBASE-7782 HBaseTestingUtility.truncateTable() not acting like CLI Minor test
HBASE-14047 Cleanup deprecated APIs from Cell class Major Client
HBASE-13849 Remove restore and clone snapshot from the WebUI Major snapshots
HBASE-13646 HRegion#execService should not try to build incomplete messages Major Coprocessors, regionserver
HBASE-13983 Doc how the oddball HTable methods getStartKey, getEndKey, etc. will be removed in 2.0.0 Minor documentation
HBASE-13214 Remove deprecated and unused methods from HTable class Major API
HBASE-13843 Fix internal constant text in ReplicationManager.java Trivial master
HBASE-13375 Provide HBase superuser higher priority over other users in the RPC handling Major IPC/RPC
HBASE-13636 Remove deprecation for HBASE-4072 (Reading of zoo.cfg) Major .
HBASE-10800 Use CellComparator instead of KVComparator Major .
HBASE-13118 [PE] Add being able to write many columns Major test
HBASE-12990 MetaScanner should be replaced by MetaTableAccessor Major Client
HBASE-13373 Squash HFileReaderV3 together with HFileReaderV2 and AbstractHFileReader; ditto for Scanners and BlockReader, etc. Major .
HBASE-10728 get_counter value is never used. Major .
HBASE-13298 Clarify if Table.{set|get}WriteBufferSize() is deprecated or not Critical API
HBASE-13248 Make HConnectionImplementation top-level class. Major API
HBASE-13198 Remove HConnectionManager Major API
HBASE-12586 Task 6 & 7 from HBASE-9117, delete all public HTable constructors and delete ConnectionManager#{delete,get}Connection Major .
HBASE-13171 Change AccessControlClient methods to accept connection object to reduce setup time. Minor .
HBASE-6778 Deprecate Chore; its a thread per task when we should have one thread to do all tasks Major .
HBASE-12684 Add new AsyncRpcClient Major Client
HBASE-10378 Divide HLog interface into User and Implementor specific interfaces Major wal
HBASE-12111 Remove deprecated APIs from Mutation(s) Major Client
HBASE-12084 Remove deprecated APIs from Result Major Client
HBASE-12048 Remove deprecated APIs from Filter Major regionserver
HBASE-11556 Move HTablePool to hbase-thrift module. Major Thrift
HBASE-4072 Deprecate/disable and remove support for reading ZooKeeper zoo.cfg files from the classpath Major .

IMPORTANT ISSUES:

JIRA Summary Priority Component
HBASE-15780 Expose AuthUtil as IA.Public Critical API, security
HBASE-15322 Operations using Unsafe path broken for platforms not having sun.misc.Unsafe Critical hbase
HBASE-15125 HBaseFsck's adoptHdfsOrphan function creates region with wrong end key boundary Major hbck

NEW FEATURES:

JIRA Summary Priority Component
HBASE-19950 Introduce a ColumnValueFilter Minor Filters
HBASE-19844 Shell should support flush by regionserver Minor shell
HBASE-19886 Display maintenance mode in shell, web UI Major .
HBASE-19528 Major Compaction Tool Major .
HBASE-19897 RowMutations should follow the fluent pattern Minor .
HBASE-4224 Need a flush by regionserver rather than by table option Major .
HBASE-15321 Ability to open a HRegion from hdfs snapshot. Major .
HBASE-19799 Add web UI to rsgroup Major rsgroup, UI
HBASE-19326 Remove decommissioned servers from rsgroup Major rsgroup
HBASE-19189 Ad-hoc test job for running a subset of tests lots of times Major build
HBASE-19103 Add BigDecimalComparator for filter Minor Client
HBASE-18171 Scanning cursor for async client Major .
HBASE-18875 Thrift server supports read-only mode Major Thrift
HBASE-14417 Incremental backup and bulk loading Blocker .
HBASE-18131 Add an hbase shell command to clear deadserver list in ServerManager Major Operability
HBASE-15806 An endpoint-based export tool Critical Coprocessors, tooling
HBASE-14135 HBase Backup/Restore Phase 3: Merge backup images Critical .
HBASE-15134 Add visibility into Flush and Compaction queues Major Compaction, metrics, regionserver
HBASE-15968 New behavior of versions considering mvcc and ts rather than ts only Major .
HBASE-15943 Add page displaying JVM process metrics Major Operability, UI
HBASE-17928 Shell tool to clear compaction queues Major Compaction, Operability
HBASE-18226 Disable reverse DNS lookup at HMaster and use the hostname provided by RegionServer Major .
HBASE-13784 Add Async Client Table API Major .
HBASE-17849 PE tool random read is not totally random Major Performance, test
HBASE-15576 Scanning cursor to prevent blocking long time on ResultScanner.next() Major .
HBASE-16961 FileSystem Quotas Major .
HBASE-17757 Unify blocksize after encoding to decrease memory fragment Major .
HBASE-17542 Move backup system table into separate namespace Major .
HBASE-14141 HBase Backup/Restore Phase 3: Filter WALs on backup to include only edits from backed up tables Blocker .
HBASE-17758 [RSGROUP] Add shell command to move servers and tables at the same time Major rsgroup
HBASE-17737 Thrift2 proxy should support scan timeRange per column family Major Thrift
HBASE-16981 Expand Mob Compaction Partition policy from daily to weekly, monthly Major mob
HBASE-9774 HBase native metrics and metric collection for coprocessors Major Coprocessors, metrics
HBASE-17174 Refactor the AsyncProcess, BufferedMutatorImpl, and HTable Minor .
HBASE-15432 TableInputFormat - support multi column family scan Major .
HBASE-17181 Let HBase thrift2 support TThreadedSelectorServer Minor Thrift
HBASE-17151 New API to create HFile.Reader without instantiating block cache Major .
HBASE-16463 Improve transparent table/CF encryption with Commons Crypto Major encryption
HBASE-16751 Add tuning information to HBase Book Minor .
HBASE-16677 Add table size (total store file size) to table page Minor website
HBASE-16447 Replication by namespaces config in peer Critical Replication
HBASE-16388 Prevent client threads being blocked by only one slow region server Major .
HBASE-16213 A new HFileBlock structure for fast random get Major Performance
HBASE-12721 Create Docker container cluster infrastructure to enable better testing Major build, community, documentation, test
HBASE-3727 MultiHFileOutputFormat Minor .
HBASE-15881 Allow BZIP2 compression Major HFile
HBASE-10358 Shell changes for setting consistency per request Major shell
HBASE-15892 submit-patch.py: Single command line to make patch, upload it to jira, and update review board Trivial .
HBASE-15228 Add the methods to RegionObserver to trigger start/complete restoring WALs Major Coprocessors
HBASE-15847 VerifyReplication prefix filtering Major Replication
HBASE-15798 Add Async RpcChannels to all RpcClients Major .
HBASE-15281 Allow the FileSystem inside HFileSystem to be wrapped Major Filesystem Integration, hbase
HBASE-15592 Print Procedure WAL content Major .
HBASE-6721 RegionServer Group based Assignment Major regionserver
HBASE-15136 Explore different queuing behaviors while busy Critical IPC/RPC
HBASE-15181 A simple implementation of date based tiered compaction Major Compaction
HBASE-13259 mmap() based BucketCache IOEngine Critical BlockCache
HBASE-15135 Add metrics for storefile age Major .
HBASE-14355 Scan different TimeRange for each column family Major Client, regionserver, Scanners
HBASE-11262 Avoid empty columns while doing bulk-load Major .
HBASE-15036 Update HBase Spark documentation to include bulk load with thin records Major .
HBASE-14980 Project Astro Major documentation
HBASE-13153 Bulk Loaded HFile Replication Major Replication
HBASE-12911 Client-side metrics Major Client, Operability, Performance
HBASE-14529 Respond to SIGHUP to reload config Major Operability
HBASE-14459 Add request and response sizes metrics Major metrics
HBASE-14456 Implement a namespace-based region grouping strategy for RegionGroupingProvider Major .
HBASE-14154 DFS Replication should be configurable at column family level Minor .
HBASE-13702 ImportTsv: Add dry-run functionality and log bad rows Major .
HBASE-13639 SyncTable - rsync for HBase tables Major mapreduce, Operability, tooling
HBASE-10070 HBase read high-availability using timeline-consistent region replicas Major Admin, API, LatencyResilience
HBASE-13356 HBase should provide an InputFormat supporting multiple scans in mapreduce jobs over snapshots Minor mapreduce
HBASE-5980 Scanner responses from RS should include metrics on rows/KVs filtered Minor Client, metrics, Operability, regionserver
HBASE-13698 Add RegionLocator methods to Thrift2 proxy. Major Thrift
HBASE-13071 Hbase Streaming Scan Feature Major .
HBASE-13090 Progress heartbeats for long running scanners Major .
HBASE-13412 Region split decisions should have jitter Major regionserver
HBASE-12972 Region, a supportable public/evolving subset of HRegion Major .
HBASE-13170 Allow block cache to be external Major io
HBASE-5238 Add a log4j category for all edits to META/ROOT Minor regionserver
HBASE-13063 Allow to turn off memstore replication for region replicas Minor regionserver, Replication
HBASE-13057 Provide client utility to easily enable and disable table replication Major Replication
HBASE-12869 Add a REST API implementation of the ClusterManager interface Major integration tests
HBASE-12944 Support patches to branches in precommit jenkins build Major .
HBASE-12268 Add support for Scan.setRowPrefixFilter to shell Major shell
HBASE-5162 Basic client pushback mechanism Major .

IMPROVEMENTS:

JIRA Summary Priority Component
HBASE-19994 Create a new class for RPC throttling exception, make it retryable. Major .
HBASE-20409 Set hbase.client.meta.operation.timeout in TestClientOperationTimeout Trivial test
HBASE-17449 Add explicit document on different timeout settings Critical documentation
HBASE-18784 Use of filesystem that requires hflush / hsync / append / etc should query outputstream capabilities Major Filesystem Integration
HBASE-15466 precommit should not run all java goals when given a docs-only patch Major build
HBASE-20135 NullPointerException during reading bloom filter when upgraded from hbase-1 to hbase-2 Minor .
HBASE-17165 Add retry to LoadIncrementalHFiles tool Critical hbase, HFile, tooling
HBASE-18467 nightly job needs to run all stages and then comment on jira Critical community, test
HBASE-17448 Export metrics from RecoverableZooKeeper Major Zookeeper
HBASE-20055 Remove declaration of un-thrown exceptions and unused setRegionStateBackToOpen() from MergeTableRegionsProcedure Minor amv2
HBASE-18020 Update API Compliance Checker to Incorporate Improvements Done in Hadoop Major API, community
HBASE-20065 Revisit the timestamp usage in MetaTableAccessor Major .
HBASE-18294 Reduce global heap pressure: flush based on heap occupancy Major .
HBASE-19680 BufferedMutatorImpl#mutate should wait the result from AP in order to throw the failed mutations Major .
HBASE-19988 HRegion#lockRowsAndBuildMiniBatch() is too chatty when interrupted while waiting for a row lock Minor amv2
HBASE-19915 From split/ merge procedures daughter/ merged regions get created in OFFLINE state Major .
HBASE-19917 Improve RSGroupBasedLoadBalancer#filterServers() to be more efficient Minor rsgroup
HBASE-19904 Break dependency of WAL constructor on Replication Major Replication, wal
HBASE-19912 The flag "writeToWAL" of Region#checkAndRowMutate is useless Minor .
HBASE-19861 Avoid using RPCs when querying table infos for master status pages Major UI
HBASE-19770 Add '--return-values' option to Shell to print return values of commands in interactive mode Critical shell
HBASE-19823 Make RawCellBuilderFactory LimitedPrivate.UNITTEST Minor .
HBASE-19820 Restore public constructor of MiniHBaseCluster (API compat) Major .
HBASE-19736 Remove BaseLogCleanerDelegate deprecated #isLogDeletable(FileStatus) and use #isFileDeletable(FileStatus) instead Minor .
HBASE-19739 Include thrift IDL files in HBase binary distribution Minor Thrift
HBASE-19789 Not exclude flaky tests from nightly builds Major .
HBASE-19758 Split TestHCM to several smaller tests Major test
HBASE-19751 Use RegionInfo directly instead of an identifier and a namespace when getting WAL Major wal
HBASE-19139 Create Async Admin methods for Clear Block Cache Major Admin
HBASE-19702 Improve RSGroupInfo constructors Minor .
HBASE-19684 BlockCacheKey toString Performance Trivial hbase
HBASE-19358 Improve the stability of splitting log when do fail over Major MTTR
HBASE-19723 hbase-thrift declares slf4j-api twice Trivial Thrift
HBASE-19651 Remove LimitInputStream Minor hbase
HBASE-19473 Miscellaneous changes to ClientScanner Trivial hbase
HBASE-19613 Miscellaneous changes to WALSplitter Trivial hbase
HBASE-18806 VerifyRep by snapshot need not to restore snapshot for each mapper Major Replication
HBASE-18011 Refactor RpcServer Major IPC/RPC
HBASE-19641 AsyncHBaseAdmin should use exponential backoff when polling the procedure result Major asyncclient, proc-v2
HBASE-19675 Miscellaneous HStore Class Improvements Minor hbase
HBASE-19683 Remove Superfluous Methods From String Class Trivial hbase
HBASE-19676 CleanerChore logging improvements Trivial hbase
HBASE-19486 Periodically ensure records are not buffered too long by BufferedMutator Major Client
HBASE-19679 Superusers Logging and Data Structures Trivial hbase
HBASE-19677 Miscellaneous HFileCleaner Improvements Trivial hbase
HBASE-19649 Use singleton feature for ImmutableSegment Trivial .
HBASE-8518 Get rid of hbase.hstore.compaction.complete setting Minor .
HBASE-19659 Enable -x in make_rc.sh so logs where it is in execution Trivial build
HBASE-19647 Logging cleanups; emit regionname when RegionTooBusyException inside RetriesExhausted... make netty connect/disconnect TRACE-level Major .
HBASE-19545 Replace getBytes(StandardCharsets.UTF_8) with Bytes.toBytes Minor .
HBASE-19615 CompositeImmutableSegment ArrayList Instead of LinkedList Trivial hbase
HBASE-19621 Revisit the methods in ReplicationPeerConfigBuilder Minor .
HBASE-19618 Remove replicationQueuesClient.class/replicationQueues.class config and remove table based ReplicationQueuesClient/ReplicationQueues implementation Major .
HBASE-19576 Introduce builder for ReplicationPeerConfig and make it immutable Major .
HBASE-19590 Remove the duplicate code in deprecated ReplicationAdmin Minor .
HBASE-19570 Add hadoop3 tests to Nightly master/branch-2 runs Critical .
HBASE-19571 Minor refactor of Nightly run scripts Minor .
HBASE-19491 Exclude flaky tests from nightly master run Major .
HBASE-15482 Provide an option to skip calculating block locations for SnapshotInputFormat Minor mapreduce
HBASE-19531 Remove needless volatile declaration Trivial .
HBASE-19521 HBase mob compaction need to check hfile version Critical Compaction, mob
HBASE-14790 Implement a new DFSOutputStream for logging WAL only Major wal
HBASE-19472 Remove ArrayUtil Class Major hbase
HBASE-19489 Check against only the latest maintenance release in pre-commit hadoopcheck. Minor .
HBASE-17425 Fix calls to deprecated APIs in TestUpdateConfiguration Trivial Client
HBASE-19464 Replace StringBuffer with StringBuilder for hbase-common Trivial hbase
HBASE-19463 Make CPEnv#getConnection return a facade that throws Unsupported if CP calls #close Major Coprocessors
HBASE-19180 Remove unused imports from AlwaysPasses Trivial build
HBASE-18169 Coprocessor fix and cleanup before 2.0.0 release Blocker Coprocessors
HBASE-19448 Replace StringBuffer with StringBuilder for hbase-server Trivial hbase
HBASE-19432 Roll the specified writer in HFileOutputFormat2 Major .
HBASE-19290 Reduce zk request when doing split log Major .
HBASE-19336 Improve rsgroup to allow assign all tables within a specified namespace by only writing namespace Major rsgroup
HBASE-19367 Refactoring in RegionStates, and RSProcedureDispatcher Minor .
HBASE-19382 Update report-flakies.py script to handle yetus builds Major .
HBASE-19252 Move the transform logic of FilterList into transformCell() method to avoid extra ref to question cell Minor .
HBASE-19372 Remove the Span object in SyncFuture as it is useless now Major tracing, wal
HBASE-18090 Improve TableSnapshotInputFormat to allow more multiple mappers per region Major mapreduce
HBASE-16868 Add a replicate_all flag to avoid misuse the namespaces and table-cfs config of replication peer Critical Replication
HBASE-19311 Promote TestAcidGuarantees to LargeTests and start mini cluster once to make it faster Major test
HBASE-19293 Support adding a new replication peer in disabled state Major .
HBASE-16574 Add backup / restore feature to refguide Major .
HBASE-19274 Log IOException when unable to determine the size of committed file Trivial .
HBASE-19251 Merge RawAsyncTable and AsyncTable Major asyncclient, Client
HBASE-19262 Revisit checkstyle rules Major build
HBASE-18601 Update Htrace to 4.2 Major dependencies, tracing
HBASE-19227 Nightly jobs should archive JVM dumpstream files Critical build
HBASE-12350 Backport error-prone build support to branch-1 and branch-2 Minor .
HBASE-19228 nightly job should gather machine stats. Major build
HBASE-19186 Unify to use bytes to show size in master/rs ui Minor .
HBASE-19027 Honor the CellComparator of ScanInfo in scanning over a store Major .
HBASE-13622 document upgrade rollback Major documentation
HBASE-18925 Need updated mockito for using java optional Major .
HBASE-19140 hbase-cleanup.sh uses deprecated call to remove files in hdfs Trivial scripts
HBASE-17065 Perform more effective sorting for RPC Handler Tasks Minor .
HBASE-18870 Hbase Backup should set the details to MR job name Minor .
HBASE-18602 rsgroup cleanup unassign code Minor rsgroup
HBASE-19110 Add default for Server#isStopping & #getFileSystem Minor .
HBASE-19091 Code annotation wrote "BinaryComparator" instead of "LongComparator" Minor Client
HBASE-18994 Decide if META/System tables should use Compacting Memstore or Default Memstore Major .
HBASE-19051 Add new split algorithm for num string Minor .
HBASE-18824 Add meaningful comment to HConstants.LATEST_TIMESTAMP to explain why it is MAX_VALUE Minor .
HBASE-10367 RegionServer graceful stop / decommissioning Major .
HBASE-18986 Remove unnecessary null check after CellUtil.cloneQualifier() Minor .
HBASE-15410 Utilize the max seek value when all Filters in MUST_PASS_ALL FilterList return SEEK_NEXT_USING_HINT Major .
HBASE-18843 Add DistCp support to incremental backup with bulk loading Major .
HBASE-16010 Put draining function through Admin API Minor .
HBASE-18899 Make Fileinfo more readable in HFilePrettyPrinter Major HFile
HBASE-16894 Create more than 1 split per region, generalize HBASE-12590 Major .
HBASE-18929 Hbase backup command doesn’t show debug option to enable backup in debug mode Minor .
HBASE-18814 Make ScanMetrics enabled and add counter <HBase Counters, ROWS_SCANNED> into the MapReduce Job over snapshot Minor mapreduce
HBASE-18559 Add histogram to MetricsConnection to track concurrent calls per server Minor Client
HBASE-18436 Add client-side hedged read metrics Minor .
HBASE-13844 Move static helper methods from KeyValue into CellUtils Minor .
HBASE-18884 Coprocessor Design Improvements follow up of HBASE-17732 Major Coprocessors
HBASE-18652 Expose individual cache stats in a CombinedCache through JMX Major regionserver
HBASE-18651 Let ChaosMonkeyRunner expose the chaos monkey runner it creates Major .
HBASE-11462 MetaTableAccessor shouldn't use ZooKeeeper Major Client, Zookeeper
HBASE-18478 Allow users to remove RegionFinder from LoadBalancer calculations if no locality possible Major Balancer
HBASE-18849 expand "thirdparty" reference to give examples of setting netty location in common testing modules Critical documentation, thirdparty
HBASE-18609 Apply ClusterStatus#getClusterStatus(EnumSet<Option>) in code base Major .
HBASE-18795 Expose KeyValue.getBuffer() for tests alone Major .
HBASE-18772 [JDK8] Replace AtomicLong with LongAdder Trivial .
HBASE-14996 Some more API cleanup for 2.0 Blocker .
HBASE-18683 Upgrade hbase to commons-math 3 Major .
HBASE-13271 Table#puts(List<Put>) operation is indeterminate; needs fixing Critical API
HBASE-10240 Remove 0.94->0.96 migration code Critical .
HBASE-18662 The default values for many configuration items in the code are not consistent with hbase-default.xml Minor .
HBASE-18621 Refactor ClusterOptions before applying to code base Major .
HBASE-18778 Use Comparator for StealJobQueue Major Compaction
HBASE-18737 Display configured max size of memstore and cache on RS UI Minor .
HBASE-18674 upgrade hbase to commons-lang3 Major .
HBASE-18746 Throw exception with job.getStatus().getFailureInfo() when ExportSnapshot fails Minor mapreduce, snapshots
HBASE-18740 Upgrade Zookeeper version to 3.4.10 Major .
HBASE-18699 Copy LoadIncrementalHFiles to another package and mark the old one as deprecated Major mapreduce
HBASE-18675 Making {max,min}SessionTimeout configurable for MiniZooKeeperCluster Minor test, Zookeeper
HBASE-17826 Backup: submit M/R job to a particular Yarn queue Major .
HBASE-18677 typo in namespace docs Trivial documentation
HBASE-18701 Optimize reference guide to use cell acl conveniently Trivial .
HBASE-18519 Use builder pattern to create cell Major .
HBASE-18673 Some more unwanted reference to unshaded PB classes Minor .
HBASE-18224 Upgrade jetty Critical dependencies
HBASE-18532 Improve cache related stats rendered on RS UI Major regionserver, UI
HBASE-18629 Enhance ChaosMonkeyRunner with interruptibility Major .
HBASE-18631 Allow configuration of ChaosMonkey properties via hbase-site Minor integration tests
HBASE-18573 Update Append and Delete to use Mutation#getCellList(family) Minor .
HBASE-18251 Remove unnecessary traversing to the first and last keys in the CellSet Major .
HBASE-18581 Remove dead code and some tidy up in BaseLoadBalancer Minor Balancer
HBASE-18504 Add documentation for WAL compression Minor documentation
HBASE-17064 Add TaskMonitor#getTasks() variant which accepts type selection Minor .
HBASE-2631 Decide between "InMB" and "MB" as suffix for field names in ClusterStatus objects Minor .
HBASE-18533 Expose BucketCache values to be configured Major BucketCache
HBASE-18303 Clean up some parameterized test declarations Minor test
HBASE-18522 Add RowMutations support to Batch Major .
HBASE-18566 [RSGROUP]Log the client IP/port of the rsgroup admin Major rsgroup
HBASE-15511 ClusterStatus should be able to return responses by scope Major .
HBASE-18555 Remove redundant familyMap.put() from addxxx() of sub-classes of Mutation and Query Minor Client
HBASE-18387 [Thrift] Make principal configurable in DemoClient.java Minor .
HBASE-18548 Move sources of important Jenkins jobs into source control Critical documentation, scripts
HBASE-18248 Warn if monitored RPC task has been tied up beyond a configurable threshold Major .
HBASE-18485 Performance issue: ClientAsyncPrefetchScanner is slower than ClientSimpleScanner Major .
HBASE-18426 nightly job should use independent stages to check supported jdks Critical community, test
HBASE-14220 nightly tests should verify src tgz generates and builds correctly Minor build
HBASE-18520 Add jmx value to determine true Master Start time Minor metrics
HBASE-16893 Use Collection.removeIf instead of Iterator.remove in DependentColumnFilter Minor .
HBASE-16116 Remove redundant pattern *.iml Trivial .
HBASE-18261 [AMv2] Create new RecoverMetaProcedure and use it from ServerCrashProcedure and HMaster.finishActiveMasterInitialization() Major amv2
HBASE-18402 Thrift2 should support DeleteFamilyVersion type Major Thrift
HBASE-18434 Address some alerts raised by lgtm.com Major .
HBASE-18023 Log multi-* requests for more than threshold number of rows Minor regionserver
HBASE-15816 Provide client with ability to set priority on Operations Major .
HBASE-18389 Remove byte[] from formal parameter of sizeOf() of ClassSize, ClassSize.MemoryLayout and ClassSize.UnsafeLayout Minor util
HBASE-18412 [Shell] Support unset of list of configuration for a table Minor .
HBASE-16312 update jquery version Critical dependencies, UI
HBASE-18332 Upgrade asciidoctor-maven-plugin Minor website
HBASE-18339 Update test-patch to use hadoop 3.0.0-alpha4 Major test
HBASE-18004 getRegionLocations needs to be called once in ScannerCallableWithReplicas#call() Minor Client
HBASE-18307 Share the same EventLoopGroup for NettyRpcServer, NettyRpcClient and AsyncFSWALProvider at RS side Major io, rpc, wal
HBASE-18083 Make large/small file clean thread number configurable in HFileCleaner Major .
HBASE-16730 Exclude junit as a transitive dependency from hadoop-common Trivial hbase
HBASE-15062 IntegrationTestMTTR conditionally run some tests Minor integration tests
HBASE-11707 Using Map instead of list in FailedServers of RpcClient Minor Client
HBASE-18286 Create static empty byte array to save memory Trivial community
HBASE-17995 improve log messages during snapshot related tests Trivial integration tests, mapreduce, snapshots, test
HBASE-15391 Avoid too large "deleted from META" info log Minor .
HBASE-16585 Rewrite the delegation token tests with Parameterized pattern Major security, test
HBASE-13197 Connection API cleanup Major API
HBASE-15756 Pluggable RpcServer Critical Performance, rpc
HBASE-17110 Improve SimpleLoadBalancer to always take server-level balance into account Major Balancer
HBASE-18022 Refine the error message issued with TableNotFoundException when expected table is not the same as the one fetched from meta Minor .
HBASE-18281 Performance update in StoreFileWriter.java for string replacement Trivial community
HBASE-18041 Add pylintrc file to HBase Major community
HBASE-18275 Formatting and grammar mistakes in schemadoc chapter Trivial documentation
HBASE-18164 Much faster locality cost function and candidate generator Critical Balancer
HBASE-16351 do dependency license check via enforcer plugin Major build, dependencies
HBASE-18252 Resolve BaseLoadBalancer bad practice warnings Minor .
HBASE-18033 Update supplemental models for new deps in Hadoop trunk Critical dependencies
HBASE-17959 Canary timeout should be configurable on a per-table basis Minor canary
HBASE-17777 TestMemstoreLAB#testLABThreading runs too long for a small test Minor test
HBASE-18101 Fix type mismatch on container access in QuotaCache#chore Trivial .
HBASE-18001 Extend the "count" shell command to support specified conditions Minor shell
HBASE-18094 Display the return value of the command append Major shell
HBASE-18075 Support namespaces and tables with non-latin alphabetical characters Major Client
HBASE-18067 Support a default converter for data read shell commands Minor shell
HBASE-18019 Close redundant memstore scanners Major .
HBASE-17910 Use separated StoreFileReader for streaming read Major regionserver, scan, Scanners
HBASE-18043 Institute a hard limit for individual cell size that cannot be overridden by clients Major IPC/RPC, regionserver
HBASE-17343 Make Compacting Memstore default in 2.0 with BASIC as the default type Blocker regionserver
HBASE-18021 Add more info in timed out RetriesExhaustedException for read replica client get processing, Minor Client
HBASE-18017 Reduce frequency of setStoragePolicy failure warnings Minor .
HBASE-14925 Develop HBase shell command/tool to list table's region info through command line Major shell
HBASE-17924 Consider sorting the row order when processing multi() ops before taking rowlocks Major .
HBASE-18015 Storage class aware block placement for procedure v2 WALs Minor .
HBASE-18007 Clean up rest module code Trivial .
HBASE-17990 Refactor TestFSUtils to use Before Trivial .
HBASE-16466 HBase snapshots support in VerifyReplication tool to reduce load on live HBase cluster with large tables Major hbase
HBASE-12870 "Major compaction triggered" and "Skipping major compaction" messages lack the region information Major Compaction
HBASE-17973 Create shell command to identify regions with poor locality Major shell
HBASE-17979 HBase Shell 'list' Command Help Doc Improvements Minor shell
HBASE-17875 Document why objects over 10MB are not well-suited for hbase Major documentation, mob
HBASE-8486 IS_ROOT isnt needed in HTableDescriptor. Minor .
HBASE-17817 Make Regionservers log which tables it removed coprocessors from when aborting Major Coprocessors, regionserver
HBASE-17835 Spelling mistakes in the Java source Trivial documentation
HBASE-17962 Improve documentation on Rest interface Trivial documentation, REST
HBASE-17877 Improve HBase's byte[] comparator Major util
HBASE-9899 for idempotent operation dups, return the result instead of throwing conflict exception Major .
HBASE-17514 Warn when Thrift Server 1 is configured for proxy users but not the HTTP transport Minor Thrift, Usability
HBASE-17944 Removed unused JDK version parsing from ClassSize. Minor build
HBASE-17912 Avoid major compactions on region server startup Major Compaction
HBASE-17888 Add generic methods for updating metrics on start and end of a procedure execution Major proc-v2
HBASE-16469 Several log refactoring/improvement suggestions Major Operability
HBASE-17836 CellUtil#estimatedSerializedSizeOf is slow when input is ByteBufferCell Minor .
HBASE-16969 RegionCoprocessorServiceExec should override the toString() for debugging Minor .
HBASE-17854 Use StealJobQueue in HFileCleaner after HBASE-17215 Major .
HBASE-17215 Separate small/large file delete threads in HFileCleaner to accelerate archived hfile cleanup speed Major .
HBASE-17831 Support small scan in thrift2 Major Thrift
HBASE-17623 Reuse the bytes array when building the hfile block Major HFile
HBASE-17815 Remove the unused field in PrefixTreeSeeker Trivial .
HBASE-17778 Remove the testing code in the AsyncRequestFutureImpl Trivial .
HBASE-15339 Improve DateTieredCompactionPolicy Major Compaction
HBASE-17747 Support both weak and soft object pool Major .
HBASE-15429 Add a split policy for busy regions Major regionserver
HBASE-17731 Fractional latency reporting in MultiThreadedAction Trivial .
HBASE-16977 VerifyReplication should log a printable representation of the row keys Minor Replication
HBASE-15941 HBCK repair should not unsplit healthy splitted region Major hbck
HBASE-17532 Replace explicit type with diamond operator Trivial build
HBASE-17734 Guard against possibly copying the qualifier in the ScanDeleteTracker Minor .
HBASE-17690 Clean up MOB code Major mob
HBASE-16188 Add EventCounter information to log4j properties file Minor .
HBASE-17689 Add support for table.existsAll in thrift2 THBaseservice Major Thrift
HBASE-17634 Clean up the usage of Result.isPartial Major scan
HBASE-17654 RSGroup code refactoring Major rsgroup
HBASE-17057 Minor compactions should also drop page cache behind reads Major Compaction
HBASE-17676 Get class name once for all in AbstractFSWAL Major Performance
HBASE-13718 Add a pretty printed table description to the table detail page of HBase's master Minor hbase
HBASE-17172 Optimize mob compaction with _del files Major mob
HBASE-17627 Active workers metric for thrift Major Thrift
HBASE-17637 Update progress more frequently in IntegrationTestBigLinkedList.Generator.persist Minor .
HBASE-17605 Refactor procedure framework code Major proc-v2
HBASE-17280 Add mechanism to control hbase cleaner behavior Minor Client, hbase, shell
HBASE-17613 avoid copy of family when initializing the FSWALEntry Minor .
HBASE-17437 Support specifying a WAL directory outside of the root directory Major Filesystem Integration, wal
HBASE-17592 Fix typo in IPCUtil and RpcConnection Trivial .
HBASE-17588 Remove unused imports brought in by HBASE-17437 Trivial .
HBASE-17552 Update developer section in hbase book Major .
HBASE-17543 Create additional ReplicationEndpoint WALEntryFilters by configuration Major Replication
HBASE-17569 HBase-Procedure module need to support mvn clean test -PskipProcedureTests to skip unit test Minor proc-v2
HBASE-17555 Change calls to deprecated getHBaseAdmin to getAdmin Minor .
HBASE-17563 Foreach and switch in RootDocProcessor and StabilityOptions Trivial .
HBASE-17515 Reduce memory footprint of RegionLoads kept by StochasticLoadBalancer Major .
HBASE-17462 Use sliding window for read/write request costs in StochasticLoadBalancer Major .
HBASE-16698 Performance issue: handlers stuck waiting for CountDownLatch inside WALKey#getWriteEntry under high writing workload Major Performance
HBASE-17404 Replace explicit type with diamond operator in hbase-annotations Trivial .
HBASE-10699 Optimize some code; set capacity on arraylist when possible; use isEmpty; reduce allocations Major .
HBASE-17488 WALEdit should be lazily instantiated Trivial .
HBASE-17408 Introduce per request limit by number of mutations Major .
HBASE-17291 Remove ImmutableSegment#getKeyValueScanner Major Scanners
HBASE-17314 Limit total buffered size for all replication sources Major Replication
HBASE-17348 Remove the unused hbase.replication from javadoc/comment/book completely Trivial .
HBASE-15924 Enhance hbase services autorestart capability to hbase-daemon.sh Major .
HBASE-17292 Add observer notification before bulk loaded hfile is moved to region directory Major .
HBASE-17332 Replace HashMap to Array for DataBlockEncoding.idToEncoding Major .
HBASE-17331 Avoid busy waiting in ThrottledInputStream Minor .
HBASE-17318 Increment does not add new column if the increment amount is zero at first time writing Major .
HBASE-17298 remove unused code in HRegion#doMiniBatchMutation Minor regionserver
HBASE-17296 Provide per peer throttling for replication Major Replication
HBASE-17276 Reduce log spam from WrongRegionException in large multi()'s Minor regionserver
HBASE-17241 Avoid compacting already compacted mob files with _del files Major mob
HBASE-17207 Arrays.asList() with too few arguments Trivial .
HBASE-16700 Allow for coprocessor whitelisting Minor Coprocessors
HBASE-17239 Add UnsafeByteOperations#wrap(ByteInput, int offset, int len) API Major Protobufs
HBASE-17245 Replace HTableDescriptor#htd.getColumnFamilies().length with a low-cost implementation Minor .
HBASE-14882 Provide a Put API that adds the provided family, qualifier, value without copying Major .
HBASE-17243 Reuse CompactionPartitionId and avoid creating MobFileName in PartitionedMobCompactor to avoid unnecessary new objects Minor mob
HBASE-17194 Assign the new region to the idle server after splitting Minor .
HBASE-17232 Replace HashSet with ArrayList to accumulate delayed scanners in KVHeap and StoreScanner. Major .
HBASE-17161 MOB : Make ref cell creation more efficient Major .
HBASE-17235 Improvement in creation of CIS for onheap buffer cases Major rpc
HBASE-17191 Make use of UnsafeByteOperations#unsafeWrap(ByteBuffer buffer) in PBUtil#toCell(Cell cell) Major .
HBASE-17205 Add a metric for the duration of region in transition Minor Region Assignment
HBASE-17216 A Few Fields Can Be Safely Made Static Major .
HBASE-17212 Should add null checker on table name in HTable constructor and RegionServerCallable Major .
HBASE-17184 Code cleanup of LruBlockCache Trivial .
HBASE-17211 Add more details in log when UnknownScannerException thrown in ScannerCallable Minor Operability
HBASE-17178 Add region balance throttling Major Balancer
HBASE-16302 age of last shipped op and age of last applied op should be histograms Major Replication
HBASE-16561 Add metrics about read/write/scan queue length and active read/write/scan handler count Minor IPC/RPC, metrics
HBASE-17086 Add comments to explain why Cell#getTagsLength() returns an int, rather than a short Minor Interface
HBASE-17176 Reuse the builder in RequestConverter Minor .
HBASE-17157 Increase the default mergeable threshold for mob compaction Major mob
HBASE-17129 Remove public from methods in DataType interface Minor .
HBASE-17123 Add postBulkLoadHFile variant that notifies the final paths for the hfiles Major .
HBASE-17126 Expose KeyValue#checkParameters() and checkForTagsLength() to be used by other Cell implementations Minor Client, regionserver
HBASE-17088 Refactor RWQueueRpcExecutor/BalancedQueueRpcExecutor/RpcExecutor Major rpc
HBASE-16708 Expose endpoint Coprocessor name in "responseTooSlow" log messages Major .
HBASE-17037 Enhance LoadIncrementalHFiles API to convey loaded files Major .
HBASE-17077 Don't copy the replication queue belonging to the peer which has been deleted Minor .
HBASE-17047 Add an API to get HBase connection cache statistics Minor spark
HBASE-17063 Cleanup TestHRegion : remove duplicate variables for method name and two unused params in initRegion Minor .
HBASE-17026 VerifyReplication log should distinguish whether good row key is result of revalidation Minor .
HBASE-16840 Reuse cell's timestamp and type in ScanQueryMatcher Minor .
HBASE-17005 Improve log message in MobFileCache Trivial mob
HBASE-17004 Refactor IntegrationTestManyRegions to use @ClassRule for timing out Minor integration tests
HBASE-16946 Provide Raw scan as an option in VerifyReplication Minor hbase
HBASE-17013 Add constructor to RowMutations for initializing the capacity of internal list Minor .
HBASE-17006 Add names to threads for better debugability of thread dumps Minor Operability
HBASE-17014 Add clearly marked starting and shutdown log messages for all services. Minor Operability
HBASE-16950 Print raw stats in the end of procedure performance tools for parsing results from scripts Trivial .
HBASE-16783 Use ByteBufferPool for the header and message during Rpc response Minor .
HBASE-16562 ITBLL should fail to start if misconfigured Major integration tests
HBASE-16414 Improve performance for RPC encryption with Apache Common Crypto Major IPC/RPC
HBASE-16854 Refactor the org.apache.hadoop.hbase.client.Action Minor .
HBASE-16774 [shell] Add coverage to TestShell when ZooKeeper is not reachable Major shell, test
HBASE-16844 Procedure V2: DispatchMergingRegionsProcedure to use base class StateMachineProcedure for abort and rollback Trivial master, proc-v2
HBASE-16818 Avoid multiple copies of binary data during the conversion from Result to Row Major spark
HBASE-16821 Enhance LoadIncrementalHFiles API to convey missing hfiles if any Major .
HBASE-15921 Add first AsyncTable impl and create TableImpl based on it Major Client
HBASE-16792 Reuse KeyValue.KeyOnlyKeyValue in BufferedDataBlockEncoder.SeekerState Minor .
HBASE-16784 Make use of ExtendedCell#write(OutputStream os) for the default HFileWriter#append() Major .
HBASE-16809 Save one cell length calculation in HeapMemStoreLAB#copyCellInto Minor .
HBASE-16661 Add last major compaction age to per-region metrics Minor .
HBASE-16773 AccessController should access local region if possible Major .
HBASE-16657 Expose per-region last major compaction timestamp in RegionServer UI Minor regionserver, UI
HBASE-16772 Add verbose option to VerifyReplication for logging good rows Minor Replication, Usability
HBASE-16690 Move znode path configs to a separated class Major Zookeeper
HBASE-16672 Add option for bulk load to always copy hfile(s) instead of renaming Major .
HBASE-16720 Sort build ids in flaky dashboard Minor .
HBASE-16691 Optimize KeyOnlyFilter by utilizing KeyOnlyCell Major .
HBASE-16714 Procedure V2 - use base class to remove duplicate set up test code in table DDL procedures Major proc-v2, test
HBASE-16694 Reduce garbage for onDiskChecksum in HFileBlock Minor .
HBASE-16705 Eliminate long to Long auto boxing in LongComparator Minor Filters
HBASE-16692 Make ByteBufferUtils#equals safer and correct Major .
HBASE-16667 Building with JDK 8: ignoring option MaxPermSize=256m Minor build
HBASE-16423 Add re-compare option to VerifyReplication to avoid occasional inconsistent rows Minor Replication
HBASE-16680 Reduce garbage in BufferChain Minor .
HBASE-16659 Use CellUtil.createFirstOnRow instead of KeyValueUtil.createFirstOnRow in some places. Minor .
HBASE-16646 Enhance LoadIncrementalHFiles API to accept store file paths as input Major .
HBASE-16658 Optimize UTF8 string/byte conversions Minor .
HBASE-16640 TimeoutBlockingQueue#remove() should return whether the entry is removed Minor .
HBASE-15949 Cleanup TestRegionServerMetrics Minor .
HBASE-16381 Shell deleteall command should support row key prefixes Minor shell
HBASE-16616 Rpc handlers stuck on ThreadLocalMap.expungeStaleEntry Major Performance
HBASE-16086 TableCfWALEntryFilter and ScopeWALEntryFilter should not redundantly iterate over cells. Major .
HBASE-16541 Avoid unnecessary cell copy in Result#compareResults Major .
HBASE-16399 Provide an API to get list of failed regions and servername in Canary Major canary
HBASE-16502 Reduce garbage in BufferedDataBlockEncoder Major .
HBASE-16509 Add option to LoadIncrementalHFiles which allows skipping unmatched column families Major .
HBASE-16224 Reduce the number of RPCs for the large PUTs Minor Client
HBASE-16508 Move UnexpectedStateException to common Trivial .
HBASE-16486 Unify system table creation using the same createSystemTable API. Minor proc-v2
HBASE-16448 Custom metrics for custom replication endpoints Major Replication
HBASE-16450 Shell tool to dump replication queues Major Operability, Replication
HBASE-16455 Provide API for obtaining all the WAL files Major .
HBASE-16422 Tighten our guarantees on compatibility across patch versions Major documentation
HBASE-16434 Improve flaky dashboard Minor .
HBASE-16419 check REPLICATION_SCOPE's value more stringently Major .
HBASE-16385 Have hbase-rest pull hbase.rest.port from Constants.java Minor REST
HBASE-16379 [replication] Minor improvement to replication/copy_tables_desc.rb Trivial Replication, shell
HBASE-14345 Consolidate printUsage in IntegrationTestLoadAndVerify Trivial integration tests
HBASE-16299 Update REST API scanner with ability to do reverse scan Minor REST
HBASE-12770 Don't transfer all the queued hlogs of a dead server to the same alive server Minor Replication
HBASE-15882 Upgrade to yetus precommit 0.3.0 Critical build
HBASE-8386 deprecate TableMapReduce.addDependencyJars(Configuration, class<?> ...) Major mapreduce
HBASE-16287 LruBlockCache size should not exceed acceptableSize too many Major BlockCache
HBASE-16225 Refactor ScanQueryMatcher Major regionserver, Scanners
HBASE-14881 Provide a Put API that uses the provided row without coping Major .
HBASE-16256 Purpose of EnvironmentEdge, EnvironmentEdgeManager Trivial documentation, regionserver
HBASE-16275 Change ServerManager#onlineServers from ConcurrentHashMap to ConcurrentSkipListMap Minor .
HBASE-14743 Add metrics around HeapMemoryManager Minor .
HBASE-16266 Do not throw ScannerTimeoutException when catch UnknownScannerException Major Client, Scanners
HBASE-16008 A robust way deal with early termination of HBCK Major hbck
HBASE-13701 Consolidate SecureBulkLoadEndpoint into HBase core as default for bulk load Major .
HBASE-16052 Improve HBaseFsck Scalability Major hbck
HBASE-16241 Allow specification of annotations to use when running check_compatibility.sh Major scripts
HBASE-16231 Integration tests should support client keytab login for secure clusters Major integration tests
HBASE-16220 Demote log level for "HRegionFileSystem - No StoreFiles for" messages to TRACE Minor .
HBASE-16087 Replication shouldn't start on a master if if only hosts system tables Major .
HBASE-14548 Expand how table coprocessor jar and dependency path can be specified Major Coprocessors
HBASE-16108 RowCounter should support multiple key ranges Major .
HBASE-16140 bump owasp.esapi from 2.1.0 to 2.1.0.1 Major dependencies
HBASE-16114 Get regionLocation of required regions only for MR jobs Minor mapreduce
HBASE-16147 Shell command for getting compaction state Major shell
HBASE-16124 Make check_compatibility.sh less verbose when building HBase Minor build, test
HBASE-16149 Log the underlying RPC exception in RpcRetryingCallerImpl Minor .
HBASE-16130 Add comments to ProcedureStoreTracker Minor .
HBASE-16139 Use CellUtil instead of KeyValueUtil in Import Minor .
HBASE-14007 Writing to table through MR should fail upfront if table does not exist/is disabled Minor mapreduce
HBASE-16089 Add on FastPath for CoDel Major .
HBASE-15353 Add metric for number of CallQueueTooBigExceptions Minor IPC/RPC, metrics
HBASE-16085 Add on metric for failed compactions Major .
HBASE-15870 Specify columns in REST multi gets Minor REST
HBASE-14397 PrefixFilter doesn't filter all remaining rows if the prefix is longer than rowkey being compared Minor Filters
HBASE-16042 Add support in PE tool for InMemory Compaction Major .
HBASE-15600 Add provision for adding mutations to memstore or able to write to same region in batchMutate coprocessor hooks Major .
HBASE-16018 Better documentation of ReplicationPeers Minor .
HBASE-16048 Tag InternalScanner with LimitedPrivate(HBaseInterfaceAudience.COPROC) Major .
HBASE-5291 Add Kerberos HTTP SPNEGO authentication support to HBase web consoles Major master, regionserver, security
HBASE-16033 Add more details in logging of responseTooSlow/TooLarge Major Operability
HBASE-16026 Master UI should display status of additional ZK switches Major .
HBASE-16004 Update to Netty 4.1.1 Major .
HBASE-15981 Stripe and Date-tiered compactions inaccurately suggest disabling table in docs Minor documentation
HBASE-15849 Shell Cleanup: Simplify handling of commands' runtime Minor .
HBASE-15931 Add log for long-running tasks in AsyncProcess Critical Operability
HBASE-15727 Canary Tool for Zookeeper Major .
HBASE-15910 Update hbase ref guide to explain submit-patch.py Major documentation
HBASE-15890 Allow thrift to set/unset "cacheBlocks" for Scans Major Thrift
HBASE-15854 Log the cause of SASL connection failures Minor security
HBASE-15837 Memstore size accounting is wrong if postBatchMutate() throws exception Major regionserver
HBASE-15471 Add num calls in priority and general queue to RS UI Major UI
HBASE-15802 ConnectionUtils should use ThreadLocalRandom instead of Random Minor .
HBASE-15529 Override needBalance in StochasticLoadBalancer Minor .
HBASE-15864 Reuse the testing helper to wait regions in transition Trivial test
HBASE-15843 Replace RegionState.getRegionInTransition() Map with a Set Trivial master, Region Assignment
HBASE-15593 Time limit of scanning should be offered by client Major .
HBASE-15667 Add more clarity to Reference Guide related to importing Eclipse Formatter Trivial documentation
HBASE-15842 SnapshotInfo should display ownership information Major .
HBASE-13532 Make UnknownScannerException logging less scary Trivial .
HBASE-15808 Reduce potential bulk load intermediate space usage and waste Minor .
HBASE-15415 Improve Master WebUI snapshot information Minor master, snapshots
HBASE-15609 Remove PB references from Result, DoubleColumnInterpreter and any such public facing class for 2.0 Blocker .
HBASE-15791 Improve javadoc in ScheduledChore Minor master
HBASE-15793 Port over AsyncCall improvements Major rpc
HBASE-15794 Fix Findbugs instanceof always true issue in MultiServerCallable Minor .
HBASE-15795 Cleanup all classes in package org.apache.hadoop.hbase.ipc for code style Minor .
HBASE-15745 Refactor RPC classes to better accept async changes. Major .
HBASE-15773 CellCounter improvements Major mapreduce
HBASE-15759 RegionObserver.preStoreScannerOpen() doesn't have acces to current readpoint Minor Coprocessors
HBASE-15608 Remove PB references from SnapShot related Exceptions Blocker .
HBASE-15767 Upgrade httpclient dependency Major build, dependencies
HBASE-15768 fix capitalization of ZooKeeper usage Trivial documentation
HBASE-15720 Print row locks at the debug dump page Major .
HBASE-15744 Port over small format/text improvements from HBASE-13784 Trivial .
HBASE-15551 Make call queue too big exception use servername Minor .
HBASE-15706 HFilePrettyPrinter should print out nicely formatted tags Minor HFile
HBASE-15686 Add override mechanism for the exempt classes when dynamically loading table coprocessor Major Coprocessors
HBASE-15680 Examples in shell help message for TIMERANGE scanner specifications should use milliseconds instead of seconds Trivial shell
HBASE-15688 Use MasterServices directly instead of casting to HMaster when possible Trivial master
HBASE-15641 Shell "alter" should do a single modifyTable operation Major shell
HBASE-15614 Report metrics from JvmPauseMonitor Major metrics, regionserver
HBASE-13129 Add troubleshooting hints around WAL retention from replication Major documentation, Replication
HBASE-15632 Undo the checking of lastStoreFlushTimeMap.isEmpty() introduced in HBASE-13145 Minor regionserver
HBASE-14985 TimeRange constructors should set allTime when appropriate Minor .
HBASE-15605 Remove PB references from HCD and HTD for 2.0 Blocker .
HBASE-15507 Online modification of enabled ReplicationPeerConfig Major Replication
HBASE-15612 Minor improvements to CellCounter and RowCounter documentation Trivial documentation, mapreduce
HBASE-15586 Unify human readable numbers in the web UI Major .
HBASE-15606 Limit creating zk connection in HBaseAdmin#getCompactionState() only to case when 'hbase:meta' is checked. Minor Admin
HBASE-15396 Enhance mapreduce.TableSplit to add encoded region name Minor mapreduce
HBASE-15571 Make MasterProcedureManagerHost accessible through MasterServices Major .
HBASE-15569 Make Bytes.toStringBinary faster Minor Performance
HBASE-14983 Create metrics for per block type hit/miss ratios Major metrics
HBASE-15191 CopyTable and VerifyReplication - Option to specify batch size, versions Minor Replication
HBASE-15508 Add command for exporting snapshot in hbase command script Minor hbase, scripts, snapshots
HBASE-15496 Throw RowTooBigException only for user scan/get Minor Scanners
HBASE-15526 Make SnapshotManager accessible through MasterServices Major .
HBASE-15486 Avoid multiple disable/enable balancer calls while running rolling-restart.sh --graceful Minor scripts
HBASE-15300 Upgrade to zookeeper 3.4.8 Minor .
HBASE-14703 HTable.mutateRow does not collect stats Major Client
HBASE-15475 Allow TimestampsFilter to provide a seek hint Major Client, Filters, regionserver
HBASE-15212 RPCServer should enforce max request size Major .
HBASE-15447 Improve javadocs description for Delete methods Minor API, documentation
HBASE-15478 add comments to FSHLog explaining why syncRunnerIndex won't overflow Minor wal
HBASE-14963 Remove use of Guava Stopwatch from HBase client code Major Client
HBASE-15451 Remove unnecessary wait in MVCC Major .
HBASE-15456 CreateTableProcedure/ModifyTableProcedure needs to fail when there is no family in table descriptor Minor master
HBASE-12940 Expose listPeerConfigs and getPeerConfig to the HBase shell Major shell
HBASE-15470 Add a setting for Priority queue length Major IPC/RPC, Region Assignment
HBASE-15413 Procedure-V2: print out ProcedureInfo during trace Trivial proc-v2
HBASE-15243 Utilize the lowest seek value when all Filters in MUST_PASS_ONE FilterList return SEEK_NEXT_USING_HINT Major .
HBASE-15338 Add a option to disable the data block cache for testing the performance of underlying file system Minor integration tests
HBASE-15356 Remove unused Imports Trivial .
HBASE-14099 StoreFile.passesKeyRangeFilter need not create Cells from the Scan's start and stop Row Major Performance, Scanners
HBASE-15315 Remove always set super user call as high priority Major .
HBASE-15222 Use less contended classes for metrics Critical metrics
HBASE-15312 Update the dependences of pom for mini cluster in HBase Book Minor documentation
HBASE-15306 Make RPC call queue length dynamically configurable Major IPC/RPC
HBASE-11927 Use Native Hadoop Library for HFile checksum (And flip default from CRC32 to CRC32C) Major Performance
HBASE-15301 Remove the never-thrown NamingException from TableInputFormatBase#reverseDNS method signature Minor .
HBASE-15219 Canary tool does not return non-zero exit code when one of regions is in stuck state Critical canary
HBASE-15223 Make convertScanToString public for Spark Major .
HBASE-15229 Canary Tools should not call System.Exit on error Critical canary
HBASE-11792 Organize PerformanceEvaluation usage output Minor Performance, test
HBASE-15201 Add hbase-spark to hbase assembly Minor .
HBASE-15211 Don't run the CatalogJanitor if there are regions in transition Major master
HBASE-15197 Expose filtered read requests metric to metrics framework and Web UI Minor .
HBASE-15177 Reduce garbage created under high load Major .
HBASE-13376 Improvements to Stochastic load balancer Minor Balancer
HBASE-15129 Set default value for hbase.fs.tmp.dir rather than fully depend on hbase-default.xml Major mapreduce
HBASE-14969 Add throughput controller for flush Major regionserver
HBASE-15123 Remove duplicate code in LocalHBaseCluster and minor formatting Minor .
HBASE-14865 Support passing multiple QOPs to SaslClient/Server via hbase.rpc.protection Major security
HBASE-15119 Include git SHA in check_compatibility reports Minor build
HBASE-13525 Update test-patch to leverage Apache Yetus Major build
HBASE-15076 Add getScanner(Scan scan, List<KeyValueScanner> additionalScanners) API into Region interface Critical regionserver
HBASE-15068 Add metrics for region normalization plans Major .
HBASE-14468 Compaction improvements: FIFO compaction policy Major Compaction, Performance
HBASE-15066 Small improvements to Canary tool Major .
HBASE-14524 Short-circuit comparison of rows in CellComparator Major Performance, Scanners
HBASE-15038 ExportSnapshot should support separate configurations for source and destination clusters Major mapreduce, snapshots
HBASE-15060 Cull TestHFileWriterV2 and HFileWriterFactory Major HFile
HBASE-15044 Region normalization should be allowed when underlying namespace has quota Major Balancer
HBASE-14796 Enhance the Gets in the connector Minor .
HBASE-13322 Replace explicit HBaseAdmin creation with connection#getAdmin() Minor .
HBASE-14800 Expose checkAndMutate via Thrift2 Major Thrift
HBASE-14684 Try to remove all MiniMapReduceCluster in unit tests Critical test
HBASE-13158 When client supports CellBlock, return the result Cells as controller payload for get(Get) API also Major .
HBASE-14976 Add RPC call queues to the web ui Minor UI
HBASE-15005 Use value array in computing block length for 1.2 and 1.3 Major regionserver
HBASE-14978 Don't allow Multi to retain too many blocks Blocker io, IPC/RPC, regionserver
HBASE-14780 Integration Tests that run with ChaosMonkey need to specify CFs Major integration tests
HBASE-14951 Make hbase.regionserver.maxlogs obsolete Minor Performance, wal
HBASE-14984 Allow memcached block cache to set optimze to false Major BlockCache
HBASE-13425 Documentation nit in REST Gateway impersonation section Minor documentation
HBASE-14795 Enhance the spark-hbase scan operations Minor .
HBASE-14946 Don't allow multi's to over run the max result size. Critical Client, IPC/RPC
HBASE-14906 Improvements on FlushLargeStoresPolicy Major .
HBASE-14866 VerifyReplication should use peer configuration in peer connection Major Replication
HBASE-7171 Initial web UI for region/memstore/storefiles details Major UI
HBASE-14719 Add metric for number of MasterProcWALs Major .
HBASE-14580 Make the HBaseMiniCluster compliant with Kerberos Major security, test
HBASE-14749 Make changes to region_mover.rb to use RegionMover Java tool Major .
HBASE-14891 Add log for uncaught exception in RegionServerMetricsWrapperRunnable Minor metrics
HBASE-14859 Better checkstyle reporting Minor .
HBASE-14826 Small improvement in KVHeap seek() API Minor .
HBASE-14860 Improve BoundedByteBufferPool; make lockless Minor .
HBASE-14871 Allow specifying the base branch for make_patch Major .
HBASE-14821 CopyTable should allow overriding more config properties for peer cluster Major mapreduce
HBASE-13347 Deprecate FirstKeyValueMatchingQualifiersFilter Minor .
HBASE-14862 Add support for reporting p90 for histogram metrics Minor metrics
HBASE-14172 Upgrade existing thrift binding using thrift 0.9.3 compiler. Minor .
HBASE-14829 Add more checkstyles Major .
HBASE-14805 status should show the master in shell Major shell
HBASE-14708 Use copy on write Map for region location cache Critical Client
HBASE-14766 In WALEntryFilter, cell.getFamily() needs to be replaced with the new low-cost implementation Major .
HBASE-14387 Compaction improvements: Maximum off-peak compaction size Major Compaction, Performance
HBASE-14693 Add client-side metrics for received pushback signals Major Client, metrics
HBASE-14765 Remove snappy profile Major build
HBASE-14752 Add example of using the HBase client in a multi-threaded environment Minor Client
HBASE-14666 Remove deprecated HBaseTestingUtility#deleteTable methods Major test
HBASE-12986 Compaction pressure based client pushback Major .
HBASE-12822 Option for Unloading regions through region_mover.rb without Acknowledging Minor .
HBASE-13742 buildbot should run link checker over book Major documentation
HBASE-14700 Support a "permissive" mode for secure clusters to allow "simple" auth clients Major security
HBASE-14715 Add javadocs to DelegatingRetryingCallable Trivial Client
HBASE-13014 Java Tool For Region Moving Major .
HBASE-14731 Add -DuseMob option to ITBLL Major .
HBASE-14687 Un-synchronize BufferedMutator Critical Client, Performance
HBASE-14721 Memstore add cells - Avoid many garbage Major regionserver
HBASE-14714 some cleanup to snapshot code Trivial snapshots
HBASE-14675 Exorcise deprecated Put#add(...) and replace with Put#addColumn(...) Major .
HBASE-14672 Exorcise deprecated Delete#delete* apis Major .
HBASE-12769 Replication fails to delete all corresponding zk nodes when peer is removed Minor Replication
HBASE-14696 Support setting allowPartialResults in mapreduce Mappers Major mapreduce
HBASE-14266 RegionServers have a lock contention of Configuration.getProps Critical regionserver
HBASE-14683 Batching in buffered mutator is awful when adding lists of mutations. Major Client
HBASE-14670 Remove deprecated HBaseTestCase from TestBlocksRead Major test
HBASE-14669 remove unused import and fix javadoc Trivial .
HBASE-14671 Remove deprecated HBaseTestCase/Put/Delete apis from TestGetClosestAtOrBefore Major test
HBASE-14665 Remove deprecated HBaseTestingUtility#createTable methods Major test
HBASE-14668 Remove deprecated HBaseTestCase dependency from TestHFile Major test
HBASE-14643 Avoid Splits from once again opening a closed reader for fetching the first and last key Major regionserver
HBASE-14586 Use a maven profile to run Jacoco analysis Minor pom
HBASE-14268 Improve KeyLocker Minor util
HBASE-14588 Stop accessing test resources from within src folder Major build, test
HBASE-14587 Attach a test-sources.jar for hbase-server Major build
HBASE-14582 Regionserver status webpage bucketcache list can become huge Major regionserver
HBASE-14517 Show regionserver's version in master status page Minor monitoring
HBASE-14565 Make ZK connection timeout configurable in MiniZooKeeperCluster Major .
HBASE-14574 TableOutputFormat#getRecordWriter javadoc misleads Major .
HBASE-14573 Edit on the ByteBufferedCell javadoc Major documentation
HBASE-14436 HTableDescriptor#addCoprocessor will always make RegionCoprocessorHost create new Configuration Minor Coprocessors
HBASE-14520 Optimize the number of calls for tags creation in bulk load Major .
HBASE-14547 Add more debug/trace to zk-procedure Trivial snapshots
HBASE-14230 replace reflection in FSHlog with HdfsDataOutputStream#getCurrentBlockReplication() Minor wal
HBASE-14478 A ThreadPoolExecutor with a LinkedBlockingQueue cannot execute tasks concurrently Major regionserver
HBASE-14455 Try to get rid of unused HConnection instance Minor .
HBASE-14193 Remove support for direct upgrade from pre-0.96 versions Minor .
HBASE-14461 Cleanup IncreasingToUpperBoundRegionSplitPolicy Minor .
HBASE-14448 Refine RegionGroupingProvider Phase-2: remove provider nesting and formalize wal group name Major .
HBASE-14082 Add replica id to JMX metrics names Major metrics
HBASE-14334 Move Memcached block cache in to it's own optional module. Major BlockCache, build, Operability
HBASE-14306 Refine RegionGroupingProvider: fix issues and make it more scalable Major wal
HBASE-6617 ReplicationSourceManager should be able to track multiple WAL paths Major Replication
HBASE-14314 Metrics for block cache should take region replicas into account Major metrics, regionserver
HBASE-12988 [Replication]Parallel apply edits across regions Major Replication
HBASE-14261 Enhance Chaos Monkey framework by adding zookeeper and datanode fault injections. Major integration tests
HBASE-7972 Add a configuration for the TCP backlog in the Thrift server Major Thrift
HBASE-14332 Show the table state when we encounter exception while disabling / enabling table Minor .
HBASE-14325 Add snapshotinfo command to hbase script Minor scripts
HBASE-14309 Allow load balancer to operate when there is region in transition by adding force flag Major .
HBASE-14078 improve error message when HMaster can't bind to port Major master
HBASE-13127 Add timeouts on all tests so less zombie sightings Major test
HBASE-13996 Add write sniffing in canary Major canary
HBASE-14260 don't build javadocs for hbase-protocol module Major build, documentation
HBASE-14148 Web UI Framable Page Major security, UI
HBASE-14165 The initial size of RWQueueRpcExecutor.queues should be (numWriteQueues + numReadQueues + numScanQueues) Minor IPC/RPC
HBASE-14203 remove duplicate code getTableDescriptor in HTable Trivial .
HBASE-13914 Minor improvements to dev-support/publish_hbase_website.sh Minor website
HBASE-12812 Update Netty dependency to latest release Major .
HBASE-13985 Add configuration to skip validating HFile format when bulk loading Minor .
HBASE-14122 Client API for determining if server side supports cell level security Minor .
HBASE-14194 Undeprecate methods in ThriftServerRunner.HBaseHandler Trivial .
HBASE-12256 Update patch submission guidelines to call out binary file support Minor documentation
HBASE-13965 Stochastic Load Balancer JMX Metrics Major Balancer, metrics
HBASE-14164 Display primary region replicas distribution on table.jsp Minor .
HBASE-14097 Log link to client scan troubleshooting section when scanner exceptions happen. Trivial .
HBASE-14152 Fix the warnings in Checkstyle and FindBugs brought in by merging hbase-11339 Major mob
HBASE-14151 Remove the unnecessary file ProtobufUtil.java.rej which is brought in by merging hbase-11339 Major mob
HBASE-14058 Stabilizing default heap memory tuner Major regionserver
HBASE-14110 Add CostFunction for balancing primary region replicas Major Balancer
HBASE-8642 [Snapshot] List and delete snapshot by table Major snapshots
HBASE-14045 Bumping thrift version to 0.9.2. Major .
HBASE-12596 bulkload needs to follow locality Major HFile, regionserver
HBASE-13927 Allow hbase-daemon.sh to conditionally redirect the log or not Major shell
HBASE-14002 Add --noReplicationSetup option to IntegrationTestReplication Major integration tests
HBASE-13925 Use zookeeper multi to clear znodes in ZKProcedureUtil Major Zookeeper
HBASE-13500 Deprecate KVComparator and move to CellComparator Major .
HBASE-14015 Allow setting a richer state value when toString a pv2 Minor proc-v2
HBASE-13980 Distinguish blockedFlushCount vs unblockedFlushCount when tuning heap memory Minor .
HBASE-13670 [HBase MOB] ExpiredMobFileCleaner tool deletes mob files later for one more day after they are expired Major documentation, mob
HBASE-13943 Get rid of KeyValue#heapSizeWithoutTags Major .
HBASE-14001 Optimize write(OutputStream out, boolean withTags) for SizeCachedNoTagsKeyValue Minor .
HBASE-13103 [ergonomics] add region size balancing as a feature of master Major Balancer, Usability
HBASE-13900 duplicate methods between ProtobufMagic and ProtobufUtil Minor .
HBASE-13931 Move Unsafe based operations to UnsafeAccess Major .
HBASE-13917 Remove string comparison to identify request priority Minor regionserver
HBASE-13876 Improving performance of HeapMemoryManager Minor hbase, regionserver
HBASE-13247 Change BufferedMutatorExample to use addColumn() since add() is deprecated Trivial Client
HBASE-13894 Avoid visitor alloc each call of ByteBufferArray get/putMultiple() Minor regionserver
HBASE-13829 Add more ThrottleType Major Client
HBASE-13755 Provide single super user check implementation Major security
HBASE-13848 Access InfoServer SSL passwords through Credential Provder API Major security
HBASE-13828 Add group permissions testing coverage to AC. Major test
HBASE-13846 Run MiniCluster on top of other MiniDfsCluster Minor test
HBASE-13816 Build shaded modules only in release profile Major build
HBASE-13344 Add enforcer rule that matches our JDK support statement Minor build
HBASE-13761 Optimize FuzzyRowFilter Minor Filters
HBASE-13710 Remove use of Hadoop's ReflectionUtil in favor of our own. Minor .
HBASE-13780 Default to 700 for HDFS root dir permissions for secure deployments Major Operability, security
HBASE-13671 More classes to add to the invoking repository of org.apache.hadoop.hbase.mapreduce.driver Major mapreduce
HBASE-13745 Say why a flush was requested in log message Minor Operability
HBASE-13645 Rename *column methods in MasterObserver to *columnFamily Minor .
HBASE-13725 [documentation] Pseudo-Distributed Local Install can link to hadoop instructions Minor .
HBASE-13656 Rename getDeadServers to getDeadServersSize in Admin Minor .
HBASE-13675 ProcedureExecutor completion report should be at DEBUG log level Minor .
HBASE-13673 WALProcedureStore procedure is chatty Minor .
HBASE-13677 RecoverableZookeeper WARNs on expected events Minor .
HBASE-13684 Allow mlockagent to be used when not starting as root Minor .
HBASE-13655 Deprecate duplicate getCompression methods in HColumnDescriptor Minor .
HBASE-13251 Correct 'HBase, MapReduce, and the CLASSPATH' section in HBase Ref Guide Major documentation
HBASE-13598 Make hbase assembly 'attach' to the project Minor .
HBASE-12415 Add add(byte[][] arrays) to Bytes. Major API, Client
HBASE-13358 Upgrade VisibilityClient API to accept Connection object. Minor API, security
HBASE-13420 RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load Major Coprocessors, metrics, Performance
HBASE-13351 Annotate internal MasterRpcServices methods with admin priority Major master
HBASE-13431 Allow to skip store file range check based on column family while creating reference files in HRegionFileSystem#splitStoreFile Major .
HBASE-13578 Remove Arrays.asList().subList() from FSHLog.offer() Trivial wal
HBASE-13518 Typo in hbase.hconnection.meta.lookup.threads.core parameter Major .
HBASE-13516 Increase PermSize to 128MB Major .
HBASE-13255 Bad grammar in RegionServer status page Trivial monitoring
HBASE-13334 FindBugs should create precise report for new bugs introduced Minor build
HBASE-13550 [Shell] Support unset of a list of table attributes Minor .
HBASE-13552 ChoreService shutdown message could be more informative Trivial .
HBASE-13534 Change HBase master WebUI to explicitly mention if it is a backup master Minor master, UI
HBASE-13456 Improve HFilePrettyPrinter first hbase:meta region processing Minor util
HBASE-12987 HBCK should print status while scanning over many regions Major hbck, Usability
HBASE-13350 Add a debug-warn if we fail HTD checks even if table.sanity.checks is false Trivial master, Operability
HBASE-13453 Master should not bind to region server ports Critical .
HBASE-13419 Thrift gateway should propagate text from exception causes. Major Thrift
HBASE-13436 Include user name in ADE for scans Minor .
HBASE-13381 Expand TestSizeFailures to include small scans Minor test
HBASE-13270 Setter for Result#getStats is #addResults; confusing! Major Client
HBASE-13362 Set max result size from client only (like scanner caching). Major .
HBASE-11864 Enhance HLogPrettyPrinter to print information from WAL Header Minor .
HBASE-13370 PE tool could give option for using Explicit Column Tracker which leads to seeks Major .
HBASE-6919 Remove unnecessary throws IOException from Bytes.readVLong Minor .
HBASE-12891 Parallel execution for Hbck checkRegionConsistency Major hbck
HBASE-13341 Add option to disable filtering on interface annotations for the API compatibility report Minor .
HBASE-13340 Include LimitedPrivate interfaces in the API compatibility report Minor API
HBASE-13366 Throw DoNotRetryIOException instead of read only IOException Minor .
HBASE-13345 Fix LocalHBaseCluster so that different region server impl can be used for different slaves Minor .
HBASE-13348 Separate the thread number configs for meta server and server operations Minor master
HBASE-12975 Supportable SplitTransaction and RegionMergeTransaction interfaces Major .
HBASE-13369 Expose scanNext stats to region server level Major .
HBASE-13222 Provide means of non-destructive balancer inspection Minor Balancer
HBASE-13316 Reduce the downtime on planned moves of regions Minor Balancer
HBASE-13342 Fix incorrect interface annotations Major .
HBASE-13199 Some small improvements on canary tool Major .
HBASE-13286 Minimum timeout for a rpc call could be 1 ms instead of 2 seconds Minor Client
HBASE-13241 Add tests for group level grants Critical security, test
HBASE-13235 Revisit the security auditing semantics. Major .
HBASE-13216 Add version info in RPC connection header Minor Client, IPC/RPC
HBASE-13109 Make better SEEK vs SKIP decisions during scanning Major .
HBASE-13256 HBaseConfiguration#checkDefaultsVersion(Configuration) has spelling error Trivial Client
HBASE-13223 Add testMoveMeta to IntegrationTestMTTR Major integration tests
HBASE-13240 add an exemption to test-patch for build-only changes. Minor build
HBASE-13236 Clean up m2e-related warnings/errors from poms Minor build
HBASE-13162 Add capability for cleaning hbase acls to hbase cleanup script. Minor .
HBASE-12405 WAL accounting by Store Major wal
HBASE-13185 Document hbase.regionserver.thrift.framed.max_frame_size_in_mb more clearly Trivial documentation
HBASE-13183 Make ZK tickTime configurable in standalone HBase Minor master
HBASE-12706 Support multiple port numbers in ZK quorum string Critical .
HBASE-13142 [PERF] Reuse the IPCUtil#buildCellBlock buffer Major Performance
HBASE-13122 Improve efficiency for return codes of some filters Major Filters
HBASE-13128 Make HBCK's lock file retry creation and deletion Minor hbck
HBASE-13100 Shell command to retrieve table splits Minor shell
HBASE-13132 Improve RemoveColumn action debug message Trivial integration tests
HBASE-13138 Clean up TestMasterObserver (debug, trying to figure why fails) Major test
HBASE-13120 Allow disabling hadoop classpath and native library lookup Major hbase
HBASE-13086 Show ZK root node on Master WebUI Minor master
HBASE-13080 Hbase shell message containing extra quote at the end of error message. Trivial .
HBASE-13054 Provide more tracing information for locking/latching events. Major .
HBASE-13056 Refactor table.jsp code to remove repeated code and make it easier to add new checks Major .
HBASE-13002 Make encryption cipher configurable Major .
HBASE-13059 Set executable bit for scripts in dev-support Trivial scripts
HBASE-13044 Configuration option for disabling coprocessor loading Minor .
HBASE-13018 WALSplitter should not try to get table states while splitting META Critical .
HBASE-13016 Clean up remnants of table states stored in table descriptors Major .
HBASE-12035 Keep table state in META Critical Client, master
HBASE-12982 Adding timeouts to TestChoreService Major .
HBASE-12957 region_mover#isSuccessfulScan may be extremely slow on region with lots of expired data Minor scripts
HBASE-8329 Limit compaction speed Major Compaction
HBASE-12808 Use Java API Compliance Checker for binary/source compatibility Major test
HBASE-12627 Add back snapshot batching facility from HBASE-11360 dropped by HBASE-11742 Major master, scaling
HBASE-12896 checkstyle report diff tool Minor build
HBASE-12887 Cleanup many checkstyle errors in o.a.h.h.client Minor build, Client
HBASE-12840 Improve unit test coverage of the client pushback mechanism Major .
HBASE-12620 Add HBASE-11639 related items to Ref Guide Major documentation
HBASE-7541 Convert all tests that use HBaseTestingUtility.createMultiRegions to HBA.createTable Major .
HBASE-11144 Filter to support scanning multiple row key ranges Major Filters
HBASE-12839 Remove synchronization in ServerStatisticsTracker Minor .
HBASE-12796 Clean up HTable and HBaseAdmin deprecated constructor usage Major .
HBASE-12761 On region jump ClientScanners should get next row start key instead of a skip. Major .
HBASE-11869 Support snapshot owner Minor .
HBASE-12429 Add port to ClusterManager's actions. Major integration tests
HBASE-12590 A solution for data skew in HBase-Mapreduce Job Major mapreduce
HBASE-12223 MultiTableInputFormatBase.getSplits is too slow Minor Client
HBASE-10201 Port 'Make flush decisions per column family' to trunk Major wal
HBASE-12601 Explain how to grant/revoke permission to a group/namespace in grant/revoke command usage Minor documentation, security, shell
HBASE-12650 Move ServerName to hbase-common module Blocker .
HBASE-12559 Provide LoadBalancer with online configuration capability Major .
HBASE-11939 Document compressed blockcache Major documentation
HBASE-12207 A script to help keep your Git repo fresh Major documentation, scripts
HBASE-12251 [book] Hadoop compat matrix 0.94 section needs cleaned up Major documentation
HBASE-12220 Add hedgedReads and hedgedReadWins metrics Major .
HBASE-12195 Fix dev-support/findHangingTests Minor test
HBASE-12003 Fix SecureBulkLoadEndpoint class javadoc formatting Trivial documentation, security
HBASE-6290 Add a function a mark a server as dead and start the recovery the process Minor monitoring
HBASE-11862 Get rid of Writables in HTableDescriptor, HColumnDescriptor Minor .
HBASE-11760 Tighten up region state transition Major Region Assignment
HBASE-11611 Clean up ZK-based region assignment Major Region Assignment
HBASE-11585 PE: Allows warm-up Trivial test
HBASE-3135 Make our MR jobs implement Tool and use ToolRunner so can do -D trickery, etc. Major .
HBASE-11548 [PE] Add 'cycling' test N times and unit tests for size/zipf/valueSize calculations Trivial test
HBASE-11400 Edit, consolidate, and update Compression and data encoding docs Minor documentation
HBASE-5696 Use Hadoop's DataOutputOutputStream instead of have a copy local Major .
HBASE-11344 Hide row keys and such from the web UIs Major .
HBASE-6580 Deprecate HTablePool in favor of HConnection.getTable(...) Major .

BUG FIXES:

JIRA Summary Priority Component
HBASE-19924 hbase rpc throttling does not work for multi() with request count rater. Major rpc
HBASE-20293 get_splits returns duplicate split points when region replication is on Minor shell
HBASE-20464 Disable IMC Major in-memory-compaction
HBASE-20442 clean up incorrect use of commons-collections 3 Major dependencies, thirdparty
HBASE-20440 Clean up incorrect use of commons-lang 2.y Major dependencies
HBASE-20439 Clean up incorrect use of commons-logging in hbase-server Minor dependencies, logging
HBASE-20398 Redirect doesn't work on web UI Major UI
HBASE-20399 Fix merge layout Minor UI
HBASE-20233 [metrics] Ill-formatted numRegions metric in "Hadoop:service=HBase,name=RegionServer,sub=Regions" mbean Trivial metrics, Operability
HBASE-20410 upgrade protoc compiler to 3.5.1-1 Critical build, dependencies, Protobufs
HBASE-20224 Web UI is broken in standalone mode Blocker UI, Usability
HBASE-20394 HBase over rides the value of HBASE_OPTS (if any) set by client Minor Operability
HBASE-20397 Make it more explicit that monkey.properties is found on CLASSPATH Trivial .
HBASE-20376 RowCounter and CellCounter documentations are incorrect Minor documentation, mapreduce
HBASE-20330 ProcedureExecutor.start() gets stuck in recover lease on store. Major proc-v2
HBASE-20350 NullPointerException in Scanner during close() Blocker .
HBASE-20280 Fix possibility of deadlocking in refreshFileConnections when prefetch is enabled Major BucketCache
HBASE-20310 [hbck] bin/hbase hbck -metaonly shows false inconsistency on HBase 2 Major hbck
HBASE-20219 An error occurs when scanning with reversed=true and loadColumnFamiliesOnDemand=true Critical phoenix
HBASE-20358 Fix bin/hbase thrift usage text Minor .
HBASE-20382 If RSGroups not enabled, rsgroup.jsp prints stack trace Major rsgroup, UI
HBASE-20385 Purge md5-making from our little make_rc.sh script Minor .
HBASE-20384 [AMv2] Logging format improvements; use encoded name rather than full region name marking transitions Minor .
HBASE-20182 Can not locate region after split and merge Blocker Region Assignment
HBASE-20363 TestNamespaceAuditor.testRegionMerge is flaky Major test
HBASE-20362 TestMasterShutdown.testMasterShutdownBeforeStartingAnyRegionServer is flaky Major test
HBASE-20295 TableOutputFormat.checkOutputSpecs throw NullPointerException Exception Major mapreduce
HBASE-20343 [DOC] fix log directory paths Critical documentation
HBASE-16499 slow replication for small HBase clusters Critical Replication
HBASE-17518 HBase Reference Guide has a syntax error Minor documentation
HBASE-20231 Not able to delete column family from a row using RemoteHTable Major REST
HBASE-20259 Doc configs for in-memory-compaction and add detail to in-memory-compaction logging Critical .
HBASE-17631 Canary interval too low Major canary
HBASE-20282 Provide short name invocations for useful tools Major documentation, tooling
HBASE-20314 Precommit build for master branch fails because of surefire fork fails Major build
HBASE-20261 Table page (table.jsp) in Master UI does not show replicaIds for hbase meta table Minor UI
HBASE-20229 ConnectionImplementation.locateRegions() returns duplicated entries when region replication is on Major .
HBASE-20308 test Dockerfile needs to include git Blocker build, test
HBASE-20130 Use defaults (16020 & 16030) as base ports when the RS is bound to localhost Critical documentation
HBASE-20111 Able to split region explicitly even on shouldSplit return false from split policy Critical .
HBASE-20292 Wrong URLs in the descriptions for update_all_config and update_config commands in shell Trivial shell
HBASE-13300 Fix casing in getTimeStamp() and setTimestamp() for Mutations Critical API
HBASE-20237 Put back getClosestRowBefore and throw UnknownProtocolException instead... for asynchbase client Critical compatibility, Operability
HBASE-20090 Properly handle Preconditions check failure in MemStoreFlusher$FlushHandler.run Major .
HBASE-19639 ITBLL can't go big because RegionTooBusyException... Above memstore limit Blocker .
HBASE-20213 [LOGGING] Aligning formatting and logging less (compactions, in-memory compactions) Major logging
HBASE-20141 Fix TooManyFiles exception when RefreshingChannels in FileIOEngine Major BucketCache
HBASE-18216 [AMv2] Workaround for HBASE-18152, corrupt procedure WAL Major proc-v2
HBASE-20200 list_procedures fails in shell Major shell
HBASE-20185 Fix ACL check for MasterRpcServices#execProcedure Major .
HBASE-20146 Regions are stuck while opening when WAL is disabled Critical wal
HBASE-20187 Shell startup fails with IncompatibleClassChangeError Blocker shell
HBASE-20189 Typo in Required Java Version error message while building HBase. Trivial build
HBASE-20078 MultiByteBuff : bug in reading primitives when individual buffers are too small Major .
HBASE-19075 Task tabs on master UI cause page scroll Major master
HBASE-20104 Fix infinite loop of RIT when creating table on a rsgroup that has no online servers Major rsgroup
HBASE-19802 Wrong usage messages on shell commands (grant/revoke namespace syntax) Minor shell
HBASE-20153 enable error-prone analysis in precommit Major community
HBASE-20024 TestMergeTableRegionsProcedure is STILL flakey Major .
HBASE-19598 Fix TestAssignmentManagerMetrics flaky test Major test
HBASE-20162 [nightly] depending on pipeline execution we sometimes refer to the wrong workspace Critical test
HBASE-20164 failed hadoopcheck should add footer link Major community
HBASE-20160 TestRestartCluster.testRetainAssignmentOnRestart uses the wrong condition to decide whether the assignment is finished Major Region Assignment
HBASE-20114 Fix IllegalFormatConversionException in rsgroup.jsp Major UI
HBASE-20144 The shutdown of master will hang if there are no live region server Major Recovery
HBASE-19987 update error-prone to 2.2.0 Major .
HBASE-20108 `hbase zkcli` falls into a non-interactive prompt after HBASE-15199 Critical Usability
HBASE-19814 Release hbase-2.0.0-beta-2; "rolling upgrade" release Blocker .
HBASE-20134 support scripts use hard-coded /tmp Minor website
HBASE-20070 website generation is failing Blocker website
HBASE-19147 All branch-2 unit tests pass Blocker test
HBASE-20110 Findbugs in zk and mr caused nightly #409 branch-2 to fail Major findbugs
HBASE-19656 Disable TestAssignmentManagerMetrics for beta-1 Major .
HBASE-19863 java.lang.IllegalStateException: isDelete failed when SingleColumnValueFilter is used Major Filters
HBASE-20106 API Compliance checker should fall back to specifying origin as remote repo Major API, community
HBASE-20066 Region sequence id may go backward after split or merge Critical .
HBASE-20086 PE randomSeekScan fails with ClassNotFoundException Major .
HBASE-20074 [FindBugs] Same code on both branches in CompactingMemStore#initMemStoreCompactor Major findbugs
HBASE-19974 Fix decommissioned servers cannot be removed by remove_servers_rsgroup methods Major rsgroup
HBASE-20043 ITBLL fails against hadoop3 Major integration tests
HBASE-19583 update RM list to remove EOM versions Minor community, documentation
HBASE-19728 Add lock to filesCompacting in all place. Major .
HBASE-20061 HStore synchronized member variable filesCompacting should be private Major regionserver
HBASE-20062 findbugs is not running on precommit checks Blocker community, test
HBASE-20054 Forward port HBASE-18282 ReplicationLogCleaner can delete WALs not yet replicated in case of KeeperException Major .
HBASE-20049 Region replicas of SPLIT and MERGED regions are kept in in-memory states until restarting master Major read replicas
HBASE-19767 Master web UI shows negative values for Remaining KVs Major .
HBASE-19391 Calling HRegion#initializeRegionInternals from a region replica can still re-create a region directory Major .
HBASE-19166 AsyncProtobufLogWriter persists ProtobufLogWriter as class name for backward compatibility Blocker wal
HBASE-20027 Add test TestClusterPortAssignment Major .
HBASE-19953 Avoid calling post* hook when procedure fails Critical master, proc-v2
HBASE-20037 Race when calling SequenceIdAccounting.resetHighest Blocker wal
HBASE-19991 lots of hbase-rest test failures against hadoop 3 Major REST, test
HBASE-19920 TokenUtil.obtainToken unnecessarily creates a local directory Major .
HBASE-20017 BufferedMutatorImpl submit the same mutation repeatedly Blocker Client
HBASE-20032 Receving multiple warnings for missing reporting.plugins.plugin.version Minor hbase
HBASE-19954 Separate TestBlockReorder into individual tests to avoid ShutdownHook suppression error against hadoop3 Major .
HBASE-20023 CompactionTool command line examples are incorrect Trivial hbase
HBASE-14897 TestTableLockManager.testReapAllTableLocks is flakey Major .
HBASE-20020 Make sure we throw DoNotRetryIOException when ConnectionImplementation is closed Critical Client
HBASE-19980 NullPointerException when restoring a snapshot after splitting a region Major snapshots
HBASE-19998 Flakey TestVisibilityLabelsWithDefaultVisLabelService Major flakey, test
HBASE-19996 Some nonce procs might not be cleaned up (follow up HBASE-19756) Major .
HBASE-18282 ReplicationLogCleaner can delete WALs not yet replicated in case of a KeeperException Critical Replication
HBASE-19979 ReplicationSyncUp tool may leak Zookeeper connection Major Replication
HBASE-19876 The exception happening in converting pb mutation to hbase.mutation messes up the CellScanner Critical .
HBASE-19977 FileMmapEngine allocation of byte buffers should be synchronized Major .
HBASE-19986 If HBaseTestClassRule timesout a test, thread dump. Major .
HBASE-19968 MapReduce test fails with NoClassDefFoundError against hadoop3 Major .
HBASE-16060 1.x clients cannot access table state talking to 2.0 cluster Blocker .
HBASE-19972 Should rethrow the RetriesExhaustedWithDetailsException when failed to apply the batch in ReplicationSink Critical Replication
HBASE-19964 TestWriteHeavyIncrementObserver fails Major test
HBASE-19966 The WriteEntry for WALKey maybe null if we failed to call WAL.append Major wal
HBASE-19937 Ensure createRSGroupTable be called after ProcedureExecutor and LoadBalancer are initialized Major rsgroup
HBASE-19929 Call RS.stop on a session expired RS may hang Major wal
HBASE-19900 Region-level exception destroy the result of batch Critical .
HBASE-19941 Flaky TestCreateTableProcedure times out in nightly, needs to LargeTests Major test
HBASE-19934 HBaseSnapshotException when read replicas is enabled and online snapshot is taken after region splitting Major snapshots
HBASE-19939 TestSplitTableRegionProcedure#testSplitWithoutPONR() and testRecoveryAndDoubleExecution() are failing with NPE Major amv2
HBASE-19907 TestMetaWithReplicas still flakey Major .
HBASE-19907 TestMetaWithReplicas still flakey Major .
HBASE-19926 Use a separated class to implement the WALActionListener for Replication Major Replication, wal
HBASE-19703 Functionality added as part of HBASE-12583 is not working after moving the split code to master Major .
HBASE-19658 Fix and reenable TestCompactingToCellFlatMapMemStore#testFlatteningToJumboCellChunkMap Major test
HBASE-19905 ReplicationSyncUp tool will not exit if a peer replication is disabled Major Replication
HBASE-19726 Failed to start HMaster due to infinite retrying on meta assign Major .
HBASE-19919 Tidying up logging Major .
HBASE-19901 Up yetus proclimit on nightlies Major .
HBASE-19884 BucketEntryGroup's equals, hashCode and compareTo methods are not consistent Major .
HBASE-19906 TestZooKeeper Timeout Major .
HBASE-19892 Checking 'patch attach' and yetus 0.7.0 and move to Yetus 0.7.0 Major .
HBASE-19871 delete.rb should require user to provide the column Major shell
HBASE-19818 Scan time limit not work if the filter always filter row key Major .
HBASE-19756 Master NPE during completed failed proc eviction Major .
HBASE-17079 HBase build fails on windows, hbase-archetype-builder is reason for failure Major build
HBASE-19853 duplicate slf4j declaration in mapreduce pom Minor dependencies
HBASE-19838 Can not shutdown backup master cleanly when it has already tried to become the active master Critical master
HBASE-19780 Change execution phase of checkstyle plugin back to default 'verify' Major .
HBASE-19774 incorrect behavior of locateRegionInMeta Major .
HBASE-17513 Thrift Server 1 uses different QOP settings than RPC and Thrift Server 2 and can easily be misconfigured so there is no encryption when the operator expects it. Critical documentation, security, Thrift, Usability
HBASE-19836 Fix TestZooKeeper.testLogSplittingAfterMasterRecoveryDueToZKExpiry Major test
HBASE-19794 TestZooKeeper hangs Critical .
HBASE-19828 Flakey TestRegionsOnMasterOptions.testRegionsOnAllServers Major .
HBASE-19829 hadoop-minicluster pulls zookeeper:test-jar:tests 3.4.6 Minor .
HBASE-19163 "Maximum lock count exceeded" from region server's batch processing Major regionserver
HBASE-19757 System table gets stuck after enabling region server group feature in secure cluster Critical .
HBASE-19825 Fix hadoop3 compat test failures Major pom
HBASE-19822 HFileCleaner threads stick around after shutdown stuck on queue#take Major .
HBASE-19815 Flakey TestAssignmentManager.testAssignWithRandExec Major flakey, test
HBASE-19821 TestCleanerChore#testOnConfigurationChange() requires at least 4 processors to get passed Minor test
HBASE-19806 Lower max versions for table column family of hbase:meta Trivial .
HBASE-19812 TestFlushSnapshotFromClient fails because of failing region.flush Major .
HBASE-19816 Replication sink list is not updated on UnknownHostException Major Replication
HBASE-19784 stop-hbase gives unfriendly message when local hbase isn't running Minor scripts
HBASE-19196 Release hbase-2.0.0-beta-1; the "Finish-line" release Blocker .
HBASE-19808 Reenable TestMultiParallel Major test
HBASE-19792 TestReplicationSmallTests.testDisableEnable fails Major test
HBASE-19797 Operator priority leads to wrong logic in ReplicationSourceWALReader Major .
HBASE-19732 Replica regions does not return back the MSLAB chunks to pool Critical .
HBASE-19768 RegionServer startup failing when DN is dead Critical .
HBASE-19752 RSGroupBasedLoadBalancer#getMisplacedRegions() should handle the case where rs group cannot be determined Major .
HBASE-11409 Add more flexibility for input directory structure to LoadIncrementalHFiles Major .
HBASE-19694 The initialization order for a fresh cluster is incorrect Critical .
HBASE-19769 IllegalAccessError on package-private Hadoop metrics2 classes in MapReduce jobs Critical mapreduce, metrics
HBASE-19775 hbase shell doesn't handle the exceptions that are wrapped in java.io.UncheckedIOException Major shell
HBASE-19771 restore_snapshot shell command gives wrong namespace if the namespace doesn't exist Minor .
HBASE-19773 Adding javadoc around getting instance of RawCellBuilder Minor .
HBASE-19685 Fix TestFSErrorsExposed#testFullSystemBubblesFSErrors Major test
HBASE-19755 Error message for non-existent namespace is inaccurate Minor .
HBASE-19749 Revisit logic of UserScanQueryMatcher#mergeFilterResponse method Major .
HBASE-19740 Repeated error message for NamespaceExistException Minor .
HBASE-19734 IntegrationTestReplication broken w/ separate clusters Critical integration tests
HBASE-19729 UserScanQueryMatcher#mergeFilterResponse should return INCLUDE_AND_SEEK_NEXT_ROW when filterResponse is INCLUDE_AND_SEEK_NEXT_ROW Major .
HBASE-19744 Fix flakey TestZKLeaderManager Major test
HBASE-19717 IntegrationTestDDLMasterFailover is using outdated values for DataBlockEncoding Major integration tests
HBASE-19424 Metrics servlet throws NPE Minor .
HBASE-19712 Fix TestSnapshotQuotaObserverChore#testSnapshotSize Major test
HBASE-19696 Filter returning INCLUDE_AND_NEXT_COL doesn't skip remaining versions when scan has explicit columns Critical .
HBASE-19721 Unnecessary stubbings detected in test class: TestReversedScannerCallable Major test
HBASE-19714 `status 'detailed'` invokes nonexistent "getRegionsInTransition" method on ClusterStatus Critical shell
HBASE-19709 Guard against a ThreadPool size of 0 in CleanerChore Critical .
HBASE-19383 [1.2] java.lang.AssertionError: expected:<2> but was:<1> at org.apache.hadoop.hbase.TestChoreService.testTriggerNowFailsWhenNotScheduled(TestChoreService.java:707) Major test
HBASE-19688 TimeToLiveProcedureWALCleaner should extends BaseLogCleanerDelegate Minor .
HBASE-18452 VerifyReplication by Snapshot should cache HDFS token before submit job for kerberos env. Major .
HBASE-19588 Additional jar dependencies needed for mapreduce PerformanceEvaluation Minor test
HBASE-19490 Rare failure in TestRateLimiter Major test
HBASE-19691 Do not require ADMIN permission for obtaining ClusterStatus Critical .
HBASE-19392 TestReplicaWithCluster#testReplicaGetWithPrimaryAndMetaDown failure in master Minor regionserver
HBASE-19654 Remove misleading and chatty debug message in ReplicationLogCleaner Major .
HBASE-19666 TestDefaultCompactSelection test failed Critical test
HBASE-19671 Fix TestMultiParallel#testActiveThreadsCount Minor test
HBASE-19672 Correct comments for default values of major compaction in SortedCompactionPolicy#getNextMajorCompactTime() Minor .
HBASE-19643 Need to update cache location when get error in AsyncBatchRpcRetryingCaller Major .
HBASE-19619 Modify replication_admin.rb to use ReplicationPeerConfigBuilder Critical .
HBASE-19624 TestIOFencing hangs Major .
HBASE-19496 Reusing the ByteBuffer in rpc layer corrupt the ServerLoad and RegionLoad Blocker .
HBASE-19457 Debugging flaky TestTruncateTableProcedure#testRecoveryAndDoubleExecutionPreserveSplits Major .
HBASE-19608 Race in MasterRpcServices.getProcedureResult Major proc-v2
HBASE-19593 Possible NPE if wal is closed during waledit append. Major .
HBASE-19589 New regions should always be added with state CLOSED (followup of HBASE-19530) Major .
HBASE-17248 SimpleRegionNormalizer javadoc correction Trivial master
HBASE-19148 Reevaluate default values of configurations Blocker defaults
HBASE-19578 MasterProcWALs cleaning is incorrect Critical amv2
HBASE-19559 Fix TestLogRolling.testLogRollOnDatanodeDeath Major test, wal
HBASE-19218 Master stuck thinking hbase:namespace is assigned after restart preventing intialization Critical .
HBASE-19542 fix TestSafemodeBringsDownMaster Major .
HBASE-19563 A few hbase-procedure classes missing @InterfaceAudience annotation Minor proc-v2
HBASE-19561 maxCacheSize in CacheEvictionStats can't be accumulated repeatedly When dealing with each region Major .
HBASE-19558 TestRegionsOnMasterOptions hack so it works reliablly Major test
HBASE-19555 TestSplitTransactionOnCluster is flaky Major test
HBASE-19532 AssignProcedure#COMPARATOR may produce incorrect sort order Critical .
HBASE-19549 Change path comparison in CommonFSUtils Major .
HBASE-19546 TestMasterReplication.testCyclicReplication2 uses wrong assertion Major Replication, test
HBASE-19522 The complete order may be wrong in AsyncBufferedMutatorImpl Major .
HBASE-19530 New regions should always be added with state CLOSED Major .
HBASE-19509 RSGroupAdminEndpoint#preCreateTable triggers TableNotFoundException Minor .
HBASE-18352 Enable TestMasterOperationsForRegionReplicas#testCreateTableWithMultipleReplicas disabled by Proc-V2 AM in HBASE-14614 Major test
HBASE-18838 shaded artifacts are incorrect when built against hadoop 3 Critical Client
HBASE-18946 Stochastic load balancer assigns replica regions to the same RS Major .
HBASE-19516 IntegrationTestBulkLoad and IntegrationTestImportTsv run into 'java.lang.RuntimeException: DistributedHBaseCluster@1bb564e2 not an instance of MiniHBaseCluster' Major .
HBASE-19513 Fix the wrapped AsyncFSOutput implementation Major wal
HBASE-19511 Splits causes blocks to be cached again and so such blocks cannot be evicted from bucket cache Critical BucketCache
HBASE-19510 TestDistributedLogSplitting is flakey for AsyncFSWAL Critical Recovery, test
HBASE-19287 master hangs forever if RecoverMeta send assign meta region request to target server fail Major proc-v2
HBASE-19503 Fix TestWALOpenAfterDNRollingStart for AsyncFSWAL Major Replication, wal
HBASE-19434 create_namespace command for existing namespace does not throw useful error message Minor .
HBASE-19484 The value array written by ExtendedCell#write is out of bounds Blocker .
HBASE-19508 ReadOnlyConfiguration throws exception if any Configuration in current context calls addDefautlResource Major conf
HBASE-19456 RegionMover's region server hostname option is no longer case insensitive Major tooling
HBASE-19495 Fix failed ut TestShell Major .
HBASE-19394 Support multi-homing env for the publication of RS status with multicast (hbase.status.published) Major Client, master
HBASE-19493 Make TestWALMonotonicallyIncreasingSeqId also work with AsyncFSWAL Major test
HBASE-19371 Running WALPerformanceEvaluation against asyncfswal throws exceptions Major .
HBASE-19134 Make WALKey an Interface; expose Read-Only version to CPs Major Coprocessors, wal
HBASE-19461 TestRSGroups is broke Major test
HBASE-19433 ChangeSplitPolicyAction modifies an immutable HTableDescriptor Critical integration tests
HBASE-19454 Debugging TestDistributedLogSplitting#testThreeRSAbort Major .
HBASE-19349 Introduce wrong version depencency of servlet-api jar Critical .
HBASE-19435 Reopen Files for ClosedChannelException in BucketCache Major BucketCache
HBASE-12444 Total number of requests overflow because it's int Minor hbck, master, regionserver
HBASE-19447 INFO level logging of GetClusterStatus from HMaster is too chatty Major .
HBASE-19417 Remove boolean return value from postBulkLoadHFile hook Major .
HBASE-19445 PerformanceEvaluation NPE processing split policy option Trivial .
HBASE-19023 Usage for rowcounter in refguide is out of sync with code Major .
HBASE-19422 using hadoop-profile property leads to confusing failures Major .
HBASE-19384 Results returned by preAppend hook in a coprocessor are replaced with null from other coprocessor even on bypass Critical Coprocessors
HBASE-19431 The tag array written by IndividualBytesFieldCell#write is out of bounds Critical .
HBASE-18942 hbase-hadoop2-compat module ignores hadoop-3 profile Major .
HBASE-19056 TestCompactionInDeadRegionServer is top of the flakies charts! Major test
HBASE-19339 Eager policy results in the negative size of memstore Critical .
HBASE-16239 Better logging for RPC related exceptions Major .
HBASE-19396 Fix flaky test TestHTableMultiplexerFlushCache Minor test
HBASE-19406 Fix CompactionRequest equals and hashCode Major .
HBASE-19285 Add per-table latency histograms Critical metrics
HBASE-19390 Revert to older version of Jetty 9.3 Major .
HBASE-19385 [1.3] TestReplicator failed 1.3 nightly Major test
HBASE-19350 TestMetaWithReplicas is flaky Major .
HBASE-19388 Incorrect value is being set for Compaction Pressure in RegionLoadStats object inside HRegion class Minor regionserver
HBASE-19386 HBase UnsafeAvailChecker returns false on Arm64 Minor .
HBASE-19363 Tests under TestCheckAndMutate are identical Minor .
HBASE-19035 Miss metrics when coprocessor use region scanner to read data Major .
HBASE-19351 Deprecated is missing in Table implementations Minor .
HBASE-19355 Missing dependency on hbase-zookeeper module causes CopyTable to fail Major .
HBASE-19335 Fix waitUntilAllRegionsAssigned Major .
HBASE-19318 MasterRpcServices#getSecurityCapabilities explicitly checks for the HBase AccessController implementation Critical master, security
HBASE-19319 Fix bug in synchronizing over ProcedureEvent Major .
HBASE-19325 Pass a list of server name to postClearDeadServers Major .
HBASE-19337 AsyncMetaTableAccessor may hang when call ScanController.terminate many times Major .
HBASE-19332 DumpReplicationQueues misreports total WAL size Trivial Replication
HBASE-19310 Verify IntegrationTests don't rely on Rules outside of JUnit context Critical integration tests
HBASE-19317 Increase "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage" to avoid host-related failures on MiniMRCluster Major integration tests, test
HBASE-19330 Remove duplicated dependency from hbase-rest Trivial dependencies
HBASE-19321 ZKAsyncRegistry ctor would hang when zookeeper cluster is not available Major .
HBASE-19315 Incorrect snapshot version is used for 2.0.0-beta-1 Minor .
HBASE-19304 KEEP_DELETED_CELLS should ignore case Blocker regionserver
HBASE-19260 Add lock back to avoid parallel accessing meta to locate region Major .
HBASE-19181 LogRollBackupSubprocedure will fail if we use AsyncFSWAL instead of FSHLog Major backup&restore
HBASE-18356 Enable TestFavoredStochasticBalancerPickers#testPickers that was disabled by Proc-V2 AM in HBASE-14614 Major test
HBASE-18357 Enable disabled tests in TestHCM that were disabled by Proc-V2 AM in HBASE-14614 Major test
HBASE-19223 Remove references to Date Tiered compaction from branch-1.2 and branch-1.1 ref guide Critical Compaction, documentation
HBASE-19255 PerformanceEvaluation class not found when run PE test Major .
HBASE-19245 MultiTableInputFormatBase#getSplits creates a Connection per Table Minor mapreduce
HBASE-12091 Optionally ignore edits for dropped tables for replication. Major .
HBASE-19210 TestNamespacesInstanceResource fails Major .
HBASE-19249 test for "hbase antipatterns" should check _count_ of occurance rather than text of Critical build
HBASE-19240 Fix error-prone errors, part four? Major .
HBASE-19215 Incorrect exception handling on the client causes incorrect call timeouts and byte buffer allocations on the server Major rpc
HBASE-19250 TestClientClusterStatus is flaky Trivial .
HBASE-19246 Trivial fix in findHangingTests.py Trivial .
HBASE-19244 Fix simple typos in HBASE-15518 descriptions Trivial .
HBASE-19089 Fix the list of included moduleSets in src and binary tars Major build
HBASE-19229 Nightly script to check source artifact should not do a destructive git operation without opt-in Critical build
HBASE-19199 RatioBasedCompactionPolicy#shouldPerformMajorCompaction() always return true when only one file needs to compact Major .
HBASE-19195 More error-prone fixes Major .
HBASE-19165 TODO Handle stuck in transition: rit=OPENING, location=ve0538.... Critical migration
HBASE-19184 clean up nightly source artifact test to match expectations from switch to git-archive Critical build
HBASE-19211 B&R: update configuration string in BackupRestoreConstants Minor .
HBASE-19194 TestRSGroupsBase has some always false checks Blocker rsgroup, test
HBASE-19088 move_tables_rsgroup will throw an exception when the table is disabled Major rsgroup
HBASE-19198 TestIPv6NIOServerSocketChannel fails; unable to bind Minor test
HBASE-19102 TestZooKeeperMainServer fails with KeeperException$ConnectionLossException Major .
HBASE-18844 Release hbase-2.0.0-alpha-4; Theme "Coprocessor API Cleanup" Major .
HBASE-19111 Add missing CellUtil#isPut(Cell) methods Critical Client
HBASE-19160 Re-expose CellComparator Critical .
HBASE-19185 ClassNotFoundException: com.fasterxml.jackson.* Critical mapreduce
HBASE-18983 Upgrade to latest error-prone Major build
HBASE-19178 table.rb use undefined method 'getType' for Cell interface Trivial .
HBASE-19117 Avoid NPE occurring while active master dies Minor .
HBASE-19173 Configure IntegrationTestRSGroup automatically for minicluster mode Minor rsgroup, test
HBASE-19144 [RSgroups] Retry assignments in FAILED_OPEN state when servers (re)join the cluster Major rsgroup
HBASE-19124 Move HBase-Nightly source artifact creation test from JenkinsFile to a script in dev-support Major test
HBASE-19156 Duplicative regions_per_server options on LoadTestTool Trivial test
HBASE-19118 Use SaslUtil to set Sasl.QOP in 'Thrift' Major Thrift
HBASE-19150 TestSnapshotWithAcl is flaky Minor .
HBASE-19120 IllegalArgumentException from ZNodeClearer when master shuts down Major .
HBASE-19065 HRegion#bulkLoadHFiles() should wait for concurrent Region#flush() to finish Major .
HBASE-19100 Missing break in catch block of InterruptedException in HRegion#waitForFlushesAndCompactions Major .
HBASE-19137 Nightly test should make junit reports optional rather than attempt archive after reporting. Critical build
HBASE-19135 TestWeakObjectPool time out Major .
HBASE-19138 Rare failure in TestLruBlockCache Trivial test
HBASE-19030 nightly runs should attempt to log test results after archiving Critical test
HBASE-19130 Typo in HStore.initializeRegionInternals for replaying wal Critical Recovery
HBASE-19087 Log an Optional's value/null instead of Optional[value]/Optional.empty. Major .
HBASE-19129 TestChoreService is flaky (branch-1 / branch-1.4) Trivial .
HBASE-19119 hbase-http shouldn't have a native profile Blocker build
HBASE-18438 Precommit doesn't warn about unused imports Critical build
HBASE-18922 Fix all dead links in our HBase book Major documentation
HBASE-19094 NPE in RSGroupStartupWorker.waitForGroupTableOnline during master startup Minor .
HBASE-13346 Clean up Filter package for post 1.0 s/KeyValue/Cell/g Critical API, Filters
HBASE-19098 Python based compatiblity checker fails if git repo does not have a remote named 'origin' Critical tooling
HBASE-19077 Have Region*CoprocessorEnvironment provide an ImmutableOnlineRegions Critical Coprocessors
HBASE-19073 Cleanup CoordinatedStateManager Major .
HBASE-19054 Switch precommit docker image to one based on maven images Major build, community
HBASE-19018 Use of hadoop internals that require bouncycastle should declare bouncycastle dependency Critical dependencies, test
HBASE-19021 Restore a few important missing logics for balancer in 2.0 Critical .
HBASE-19066 Correct the directory of openjdk-8 for jenkins Major build
HBASE-16290 Dump summary of callQueue content; can help debugging Major Operability
HBASE-18846 Accommodate the hbase-indexer/lily/SEP consumer deploy-type Major .
HBASE-19072 Missing break in catch block of InterruptedException in HRegion#waitForFlushes() Major .
HBASE-19058 The wget isn't installed in building docker image Major build
HBASE-19039 refactor shadedjars test to only run on java changes. Major build
HBASE-19060 "Hadoop check" test is running all the time instead of just when changes to java Critical build
HBASE-19061 enforcer NPE on hbase-shaded-invariants Blocker build
HBASE-19014 surefire fails; When writing xml report stdout/stderr ... No such file or directory Major .
HBASE-19042 Oracle Java 8u144 downloader broken in precommit check Blocker build
HBASE-19020 TestXmlParsing exception checking relies on a particular xml implementation without declaring it. Major dependencies, REST
HBASE-19038 precommit mvn install should run from root on patch Major build
HBASE-19032 Set Content-Type header for patches uploaded by submit-patch.py Major .
HBASE-18350 RSGroups are broken under AMv2 Blocker rsgroup
HBASE-18990 ServerLoad doesn't override #equals which leads to #equals in ClusterStatus always false Trivial .
HBASE-19017 [AMv2] EnableTableProcedure is not retaining the assignments Major Region Assignment
HBASE-19016 Coordinate storage policy property name for table schema and bulkload Minor .
HBASE-18997 Remove the redundant methods in RegionInfo Major .
HBASE-18355 Enable export snapshot tests that were disabled by Proc-V2 AM in HBASE-14614 Major test
HBASE-18505 Our build/yetus personality will run tests on individual modules and then on all (i.e. 'root'). Should do one or other Critical build
HBASE-18998 processor.getRowsToLock() always assumes there is some row being locked Major .
HBASE-18992 Comparators passed to the Memstore's flattened segments seems to be wrong Major .
HBASE-17590 Drop cache hint should work for StoreFile write path Major .
HBASE-18975 Fix backup / restore hadoop3 incompatibility Blocker .
HBASE-18904 Missing break in NEXT_ROW case of FilterList#mergeReturnCodeForOrOperator() Minor .
HBASE-18934 precommit on branch-1 isn't supposed to run against hadoop 3 Critical test
HBASE-18973 clean up maven warnings about pom well-formedness for master/branch-2 Minor build
HBASE-18958 Remove the IS annotation from SpaceLimitingException Trivial .
HBASE-18921 Result.current() throws ArrayIndexOutOfBoundsException after calling advance() Minor .
HBASE-18940 branch-2 (and probably others) fail check of generated source artifact Critical build
HBASE-18874 HMaster abort message will be skipped if Throwable is passed null Minor .
HBASE-18941 Confusing logging error around rerun of restore on an existing table. Minor .
HBASE-18932 Backups masking exception in a scenario and though it fails , it shows success message. Major .
HBASE-18606 Tests in hbase-spark module fail with UnsatisfiedLinkError Critical spark, test
HBASE-18928 Backup delete command shows wrong number of deletes requested Minor .
HBASE-18490 Modifying a table descriptor to enable replicas does not create replica regions Major Region Assignment
HBASE-18913 TestShell fails because NoMethodError: undefined method parseColumn Major shell
HBASE-18894 null pointer exception in list_regions in shell command Major .
HBASE-17441 precommit test "hadoopcheck" not properly testing Hadoop 3 profile Blocker build
HBASE-18845 TestReplicationSmallTests fails after HBASE-14004 Major Replication
HBASE-18887 After full backup passed on hdfs root and incremental failed, full backup cannot be cleaned Major .
HBASE-18888 StealJobQueue should call super() to init the PriorityBlockingQueue Major .
HBASE-18885 HFileOutputFormat2 hardcodes default FileOutputCommitter Major mapreduce
HBASE-18880 Failed to start rest server if the value of hbase.rest.threads.max is too small. Critical REST
HBASE-18762 Canary sink type cast error Major .
HBASE-18830 TestCanaryTool does not check Canary monitor's error code Major .
HBASE-18876 Backup create command fails to take queue parameter as option Major .
HBASE-18796 Admin#isTableAvailable returns incorrect result before daughter regions are opened Major .
HBASE-18866 clean up warnings about proto syntax Minor Protobufs
HBASE-18787 Fix the "dependencies connecting to an HBase cluster" Minor documentation
HBASE-18853 hbase-protocol-shaded includes protobuf (since we moved to hbase-thirdparty) Major thirdparty
HBASE-18852 Take down the hbasecon asia banner on home page Major website
HBASE-18851 LICENSE failure after HADOOP-14799 with Hadoop 3 Critical build
HBASE-18832 LTT fails with casting exception for HColumnDescriptor Major .
HBASE-18803 Mapreduce job get failed caused by NoClassDefFoundError: org/apache/commons/lang3/ArrayUtils Major .
HBASE-18808 Ineffective config check in BackupLogCleaner#getDeletableFiles() Major .
HBASE-18836 Note need for explicit javax.el and exclude from shaded artifacts Blocker Client
HBASE-18834 fix shellcheck warning on hbase personality Minor test
HBASE-18831 Add explicit dependency on javax.el Major dependencies
HBASE-18641 Include block content verification logic used in lruCache in bucketCache Minor regionserver
HBASE-14004 [Replication] Inconsistency between Memstore and WAL may result in data in remote cluster that is not in the origin Critical regionserver, Replication
HBASE-18801 Bulk load cleanup may falsely deem file deletion successful Major .
HBASE-18813 TestCanaryTool fails on branch-1 / branch-1.4 Major .
HBASE-18818 TestConnectionImplemenation fails Major test
HBASE-16611 Flakey org.apache.hadoop.hbase.client.TestReplicasClient.testCancelOfMultiGet Major .
HBASE-18723 [pom cleanup] Do a pass with dependency:analyze; remove unused and explicity list the dependencies we exploit Major pom
HBASE-18789 Displays the reporting interval of each RS on the Master page Major .
HBASE-18771 Incorrect StoreFileRefresh leading to split and compaction failures Blocker .
HBASE-18791 HBASE_HOME/lib does not contain hbase-mapreduce-${project.version}-tests.jar Major .
HBASE-17853 Link to "Why does HBase care about /etc/hosts?" does not work Trivial documentation
HBASE-18759 Fix hbase-shaded-check-invariants failure Blocker Client, mapreduce
HBASE-18765 The value of balancerRan is true even though no plans are executed Minor rsgroup
HBASE-18543 Re-enable test master.TestMasterFailover on master Major amv2
HBASE-17713 the interface '/version/cluster' with header 'Accept: application/json' return is not JSON but plain text Minor REST
HBASE-18757 Fix Improper bitwise & in BucketCache offset calculation Major BucketCache
HBASE-18743 HFiles in use by a table which has the same name and namespace with a default table cloned from snapshot may be deleted when that snapshot and default table are deleted Critical hbase
HBASE-15497 Incorrect javadoc for atomicity guarantee of Increment and Append Minor documentation
HBASE-16390 Fix documentation around setAutoFlush Minor documentation
HBASE-18741 Remove cancel command from backup code Major .
HBASE-18461 Build broken If the username contains a backslash Minor .
HBASE-18306 Get rid of TableDescriptor#getConfiguration Critical .
HBASE-15947 Classes used only for tests included in main code base Trivial build, test
HBASE-18714 The dropBehind and readahead don't be applied when useHBaseChecksum is enabled Minor .
HBASE-14745 Shade the last few dependencies in hbase-shaded-client Blocker Client, dependencies
HBASE-18665 ReversedScannerCallable invokes getRegionLocations incorrectly Critical .
HBASE-18568 Correct metric of numRegions Critical metrics
HBASE-18369 hbase thrift web-ui not available Major Thrift
HBASE-18640 Move mapreduce out of hbase-server into separate hbase-mapreduce module Major .
HBASE-18633 Add more info to understand the source/scenario of large batch requests exceeding threshold Major .
HBASE-18635 Fix asciidoc warnings Major .
HBASE-18671 Support Append/Increment in rest api Major REST
HBASE-16722 Document: Broken link in CatalogJanitor Trivial documentation
HBASE-18679 YARN may null Counters object and cause an NPE in ITBLL Trivial integration tests
HBASE-18607 fix submit-patch.py to support utf8 Trivial .
HBASE-18287 Remove log warning in PartitionedMobCompactor.java#getFileStatus Minor mob
HBASE-18647 Parameter cacheBlocks does not take effect in REST API for scan Major REST
HBASE-18628 ZKPermissionWatcher blocks all ZK notifications Critical regionserver
HBASE-18614 Setting BUCKET_CACHE_COMBINED_KEY to false disables stats on RS UI Major regionserver
HBASE-18575 [AMv2] Enable and fix TestRestartCluster#testRetainAssignmentOnRestart on master Critical amv2
HBASE-18655 TestAsyncClusterAdminApi2 failing sometimes Major .
HBASE-18615 hbase-rest tests fail in hbase-2.0.0-alpha2 Blocker test
HBASE-18644 Duplicate "compactionQueueLength" metric in Region Server metrics Minor metrics
HBASE-16615 Fix flaky TestScannerHeartbeatMessages Major Client, Scanners
HBASE-18627 Fix TestRegionServerReadRequestMetrics Major test
HBASE-18634 Fix client.TestClientClusterStatus Major test
HBASE-18637 Update the link of "Bending time in HBase" Trivial documentation
HBASE-18471 The DeleteFamily cell is skipped when StoreScanner seeks to next column Critical Deletes, hbase, scan
HBASE-18572 Delete can't remove the cells which have no visibility label Critical .
HBASE-18617 FuzzyRowKeyFilter should not modify the filter pairs Minor .
HBASE-18125 HBase shell disregards spaces at the end of a split key in a split file Major shell
HBASE-18587 Fix Flaky TestFileIOEngine Major BucketCache, test
HBASE-18431 Mitigate compatibility concerns between branch-1.3 and branch-1.4 Blocker .
HBASE-18493 [AMv2] On region server crash do not process system table regions through AssignmentManager.checkIfShouldMoveSystemRegionAsync() Critical amv2
HBASE-18598 AsyncNonMetaRegionLocator use FIFO algorithm to get a candidate locate request Minor asyncclient
HBASE-18437 Revoke access permissions of a user from a table does not work as expected Major security
HBASE-18526 FIFOCompactionPolicy pre-check uses wrong scope Major master
HBASE-18599 Add missing @Deprecated annotations Minor .
HBASE-17803 PE always re-creates table when we specify the split policy Minor .
HBASE-18592 [hbase-thirdparty] Doc on new hbase-thirdparty dependency for the refguide Major documentation
HBASE-18557 change splitable to mergeable in MergeTableRegionsProcedure Major .
HBASE-18025 CatalogJanitor should collect outdated RegionStates from the AM Major read replicas
HBASE-18551 [AMv2] UnassignProcedure and crashed regionservers Major amv2
HBASE-18390 Sleep too long when finding region location failed Major Client
HBASE-18563 Fix RAT License complaint about website jenkins scripts Trivial .
HBASE-18024 HRegion#initializeRegionInternals should not re-create .hregioninfo file when the region directory no longer exists Major Region Assignment, regionserver
HBASE-18560 Test master.assignment.TestAssignmentManager hangs on master and its in flaky list Major .
HBASE-18262 name of parameter quote need update in hbase-default.xml Minor .
HBASE-18525 TestAssignmentManager#testSocketTimeout fails in master branch Major .
HBASE-18492 [AMv2] Embed code for selecting highest versioned region server for system table regions in AssignmentManager.processAssignQueue() Major amv2
HBASE-18516 [AMv2] Remove dead code in ServerManager resulted mostly from AMv2 refactoring Major .
HBASE-18470 Remove the redundant comma from RetriesExhaustedWithDetailsException#getDesc Minor Client
HBASE-17056 Remove checked in PB generated files Critical .
HBASE-18480 The cost of BaseLoadBalancer.cluster is changed even if the rollback is done Major Balancer
HBASE-18491 [AMv2] Fail UnassignProcedure if source Region Server is not online. Critical amv2
HBASE-18487 Minor fixes in row lock implementation Major .
HBASE-18475 MasterProcedureScheduler incorrectly passes null Procedure to table locking Major proc-v2
HBASE-18259 HBase book link to "beginner" issues includes resolved issues Major documentation
HBASE-18481 The autoFlush flag was not used in PE tool Minor .
HBASE-18406 In ServerCrashProcedure.java start(MasterProcedureEnv) is a no-op Major .
HBASE-18473 VC.listLabels() erroneously closes any connection Major Client
HBASE-17131 Avoid livelock caused by HRegion#processRowsWithLocks Major regionserver
HBASE-18185 IntegrationTestTimeBoundedRequestsWithRegionReplicas unbalanced tests fails with AssertionError Minor integration tests
HBASE-18362 hbck should not report split replica parent region from meta as errors Minor hbck
HBASE-17839 "Data Model" section: Table 1 has only 5 data rows instead 6. Trivial documentation
HBASE-18445 Upgrading Guava broke hadoop-3.0 profile Blocker build, dependencies, hadoop3
HBASE-18449 Fix client.locking.TestEntityLocks#testHeartbeatException Minor test
HBASE-18447 MetricRegistryInfo#hashCode uses hashCode instead of toHashCode Minor .
HBASE-18441 ZookeeperWatcher#interruptedException should throw exception Major .
HBASE-18054 log when we add/remove failed servers in client Major Client, Operability
HBASE-18427 minor cleanup around AssignmentManager Minor amv2
HBASE-18323 Remove multiple ACLs for the same user in kerberos Minor .
HBASE-18354 Fix TestMasterMetrics that were disabled by Proc-V2 AM in HBASE-14614 Major test
HBASE-18433 Convenience method for creating simple ColumnFamilyDescriptor Major Client
HBASE-18430 Typo in "contributing to documentation" page Major documentation
HBASE-18404 Small typo on ACID documentation page Trivial documentation
HBASE-16993 BucketCache throw java.io.IOException: Invalid HFile block magic when configuring hbase.bucketcache.bucket.sizes Major BucketCache
HBASE-18337 hbase-shaded-server brings in signed jars Major shading
HBASE-18330 NPE in ReplicationZKLockCleanerChore Major master, Replication
HBASE-18393 hbase shell non-interactive broken Blocker scripts, shell
HBASE-17648 HBase Table-level synchronization fails between two secured(kerberized) clusters Critical mapreduce, Operability, security, tooling
HBASE-16090 ResultScanner is not closed in SyncTable#finishRemainingHashRanges() Major mapreduce, Operability, tooling
HBASE-15548 SyncTable: sourceHashDir is supposed to be optional but won't work without Critical mapreduce, Operability, tooling
HBASE-18377 Error handling for FileNotFoundException should consider RemoteException in openReader() Major .
HBASE-18260 Address new license dependencies from hadoop3-alpha4 Major dependencies
HBASE-18177 FanOutOneBlockAsyncDFSOutputHelper fails to compile against Hadoop 3 Major wal
HBASE-18358 Backport HBASE-18099 'FlushSnapshotSubprocedure should wait for concurrent Region#flush() to finish' to branch-1.3 Critical snapshots
HBASE-18348 The implementation of AsyncTableRegionLocator does not follow the javadoc Critical asyncclient, Client
HBASE-18292 Fix flaky test hbase.master.locking.TestLockProcedure#testLocalMasterLockRecovery() Major .
HBASE-17705 Procedure execution must fail fast if procedure is not registered Blocker .
HBASE-18341 Update findHangingTests.py script to match changed consoleText of trunk build Major .
HBASE-18335 clean up configuration guide Major documentation
HBASE-18329 update links in config guide to point to java 8 references Major documentation
HBASE-18312 Ineffective handling of FileNotFoundException in FileLink$FileLinkInputStream.tryOpen() Major .
HBASE-17931 Assign system tables to servers with highest version Blocker Region Assignment, scan
HBASE-18325 Disable flakey TestMasterProcedureWalLease Major test
HBASE-16120 Add shell test for truncate_preserve Minor .
HBASE-18301 Enable TestSimpleRegionNormalizerOnCluster#testRegionNormalizationMergeOnCluster that was disabled by Proc-V2 AM in HBASE-14614 Major test
HBASE-18310 LoadTestTool unable to write data Major util
HBASE-18320 Address maven-site-plugin upgrade steps Blocker website
HBASE-18311 clean up the quickstart guide Major documentation
HBASE-13866 Add endpoint coprocessor to the section hbase.coprocessor.region.classes in HBase book Trivial documentation
HBASE-18302 Protobuf section in the docs needs some clean up Blocker documentation
HBASE-16192 Fix the potential problems in TestAcidGuarantees Major .
HBASE-17982 Is the word "occured" should be "occurred ? Trivial hbase
HBASE-18290 Fix TestAddColumnFamilyProcedure and TestDeleteTableProcedure Major test
HBASE-18278 [AMv2] Enable and fix uni test hbase.master.procedure.TestServerCrashProcedure#testRecoveryAndDoubleExecutionOnRsWithMeta Major .
HBASE-18244 org.apache.hadoop.hbase.client.rsgroup.TestShellRSGroups hangs/fails Major test
HBASE-18230 Generated LICENSE file includes unsubstituted Velocity variables Major build
HBASE-18274 hbase autorestart will overwrite the gc log Major hbase
HBASE-18265 Correct the link unuseful in regionServer's region state UI Trivial UI
HBASE-18263 Resolve NPE in backup Master UI when access to procedures.jsp Trivial UI
HBASE-18254 ServerCrashProcedure checks and waits for meta initialized, instead should check and wait for meta loaded Major amv2
HBASE-18235 LoadBalancer.BOGUS_SERVER_NAME should not have a bogus hostname Major .
HBASE-18212 In Standalone mode with local filesystem HBase logs Warning message:Failed to invoke 'unbuffer' method in class class org.apache.hadoop.fs.FSDataInputStream Minor Operability
HBASE-17988 get-active-master.rb and draining_servers.rb no longer work Critical scripts
HBASE-18180 Possible connection leak while closing BufferedMutator in TableOutputFormat Major mapreduce
HBASE-18227 [AMv2] Fix test hbase.coprocessor.TestCoprocessorMetrics#testRegionObserverAfterRegionClosed Major amv2
HBASE-18225 Fix findbugs regression calling toString() on an array Trivial .
HBASE-18166 [AMv2] We are splitting already-split files Major Region Assignment
HBASE-18209 Include httpclient / httpcore jars in build artifacts Major .
HBASE-18219 Fix typo in constant HConstants.HBASE_CLIENT_MEAT_REPLICA_SCAN_TIMEOUT Minor .
HBASE-18200 Set hadoop check versions for branch-2 and branch-2.x in pre commit Major build
HBASE-18207 branch-2 build fails in the checkstyle phase Major .
HBASE-18137 Replication gets stuck for empty WALs Critical Replication
HBASE-18199 Race in NettyRpcConnection may cause call stuck in BufferCallBeforeInitHandler forever Major IPC/RPC
HBASE-18192 Replication drops recovered queues on region server shutdown Blocker Replication
HBASE-18092 Removing a peer does not properly clean up the ReplicationSourceManager state and metrics Major Replication
HBASE-18193 Master web UI presents the incorrect number of regions Minor .
HBASE-18195 Remove redundant single quote from start message for HMaster and HRegionServer Minor master, regionserver
HBASE-18141 Regionserver fails to shutdown when abort triggered in RegionScannerImpl during RPC call Critical regionserver, security
HBASE-15302 Reenable the other tests disabled by HBASE-14678 Major test
HBASE-18184 Add hbase-hadoop2-compat jar as MapReduce job dependency Minor mapreduce
HBASE-18149 The setting rules for table-scope attributes and family-scope attributes should keep consistent Major shell
HBASE-18158 Two running in-memory compaction threads may lose data Major .
HBASE-18145 The flush may cause the corrupt data for reading Blocker .
HBASE-18132 Low replication should be checked in period in case of datanode rolling upgrade Major .
HBASE-9393 Hbase does not closing a closed socket resulting in many CLOSE_WAIT Critical .
HBASE-18005 read replica: handle the case that region server hosting both primary replica and meta region is down Major .
HBASE-18030 Per Cell TTL tags may get duplicated with increments/Append causing tags length overflow Critical hbase, regionserver
HBASE-18155 TestMasterProcedureWalLease is flakey Major amv2
HBASE-18111 Replication stuck when cluster connection is closed Major .
HBASE-18143 [AMv2] Backoff on failed report of region transition quickly goes to astronomical time scale Critical Region Assignment
HBASE-18129 truncate_preserve fails when the truncate method doesn't exists on the master Major shell
HBASE-18122 Scanner id should include ServerName of region server Major .
HBASE-18027 Replication should respect RPC size limits when batching edits Major Replication
HBASE-18042 Client Compatibility breaks between versions 1.2 and 1.3 Critical regionserver, scan
HBASE-18118 Default storage policy if not configured cannot be "NONE" Minor wal
HBASE-16011 TableSnapshotScanner and TableSnapshotInputFormat can produce duplicate rows Major snapshots
HBASE-18120 Fix TestAsyncRegionAdminApi Major test
HBASE-18113 Handle old client without include_stop_row flag when startRow equals endRow Major .
HBASE-17997 In dev environment, add jruby-complete jar to classpath only when jruby is needed Major .
HBASE-18099 FlushSnapshotSubprocedure should wait for concurrent Region#flush() to finish Critical snapshots
HBASE-18084 Improve CleanerChore to clean from directory which consumes more disk space Major .
HBASE-18085 Prevent parallel purge in ObjectPool Major .
HBASE-18093 Overloading the meaning of 'enabled' in Quota Manager to indicate either quota disabled or quota manager not ready is not good Minor master
HBASE-18077 Update JUnit license to EPL from CPL Blocker build, community
HBASE-18069 Fix flaky test TestReplicationAdminWithClusters#testDisableAndEnableReplication Trivial test
HBASE-15616 Allow null qualifier for all table operations Major Client
HBASE-18081 The way we process connection preamble in SimpleRpcServer is broken Major IPC/RPC
HBASE-18035 Meta replica does not give any primaryOperationTimeout to primary meta region Critical .
HBASE-18071 Fix flaky test TestStochasticLoadBalancer#testBalanceCluster Major Balancer
HBASE-18058 Zookeeper retry sleep time should have an upper limit Major .
HBASE-17286 LICENSE.txt in binary tarball contains only ASL text Blocker build, community
HBASE-18049 It is not necessary to re-open the region when MOB files cannot be found Major Scanners
HBASE-18053 AsyncTableResultScanner will hang when scan wrong column family Major Client
HBASE-18051 balance_rsgroup still run when the Load Balancer is not enabled. Major rsgroup
HBASE-17352 Fix hbase-assembly build with bash 4 Minor .
HBASE-18055 Releasing L2 cache HFileBlocks before shipped() when switching from pread to stream causes result corruption Major regionserver, Scanners
HBASE-18000 Make sure we always return the scanner id with ScanResponse Major regionserver
HBASE-18026 ProtobufUtil seems to do extra array copying Minor .
HBASE-16356 REST API scanner: row prefix filter and custom filter parameters are mutually exclusive Minor REST
HBASE-8758 Error in RegionCoprocessorHost class preScanner method documentation. Minor Coprocessors, documentation
HBASE-17471 Region Seqid will be out of order in WAL if using mvccPreAssign Critical wal
HBASE-17964 ensure hbase-metrics-api is included in mapreduce job classpaths Blocker mapreduce
HBASE-17991 Add more details about compaction queue on /dump Minor .
HBASE-17228 precommit grep -c ERROR may grab non errors Minor build, community, test
HBASE-17958 Avoid passing unexpected cell to ScanQueryMatcher when optimize SEEK to SKIP Major .
HBASE-17985 Inline package manage updates with package installation in Yetus Dockerfile Blocker .
HBASE-17957 Custom metrics of replicate endpoints don't prepend "source." to global metrics Minor Replication
HBASE-17862 Condition that always returns true Trivial Client
HBASE-14286 Correct typo in argument name for WALSplitter.writeRegionSequenceIdFile Trivial .
HBASE-17879 Avoid NPE in snapshot.jsp when accessing without any request parameter Trivial UI
HBASE-17975 TokenUtil.obtainToken squashes remote exceptions Blocker mapreduce, security
HBASE-17970 Set yarn.app.mapreduce.am.staging-dir when starting MiniMRCluster Major mapreduce, snapshots, test
HBASE-17950 Write the chunkId also as Int instead of long into the first byte of the chunk Major .
HBASE-17904 Get runs into NoSuchElementException when using Read Replica, with hbase. ipc.client.specificThreadForWriting to be true and hbase.rpc.client.impl to be org.apache.hadoop.hbase.ipc.RpcClientImpl Major Client, IPC/RPC
HBASE-17947 Location of Examples.proto is wrong in comment of RowCountEndPoint.java Trivial Coprocessors
HBASE-17302 The region flush request disappeared from flushQueue Major .
HBASE-17943 The in-memory flush size is different for each CompactingMemStore located in the same region Major regionserver
HBASE-17946 Shell command compact_rs don't work Major shell
HBASE-17941 CellArrayMap#getCell may throw IndexOutOfBoundsException Minor .
HBASE-13288 Fix naming of parameter in Delete constructor Trivial API
HBASE-17937 Memstore size becomes negative in case of expensive postPut/Delete Coprocessor call Major regionserver
HBASE-17940 HMaster can not start due to Jasper related classes conflict Blocker dependencies, pom
HBASE-17936 Refine sum endpoint example in ref guide Minor documentation
HBASE-17930 Avoid using Canary.sniff in HBaseTestingUtility Major canary, test
HBASE-16875 Changed try-with-resources in the docs to recommended way Trivial documentation
HBASE-17366 Run TestHFile#testReaderWithoutBlockCache failes Trivial test
HBASE-15535 Correct link to Trafodion Minor documentation
HBASE-17903 Corrected the alias for the link of HBASE-6580 Trivial documentation
HBASE-17816 HRegion#mutateRowWithLocks should update writeRequestCount metric Major metrics
HBASE-17905 [hbase-spark] bulkload does not work when table not exist Major .
HBASE-17863 Procedure V2: Proc Executor cleanup. Split FINISHED state to two states: SUCCESS and FAILED. Major proc-v2
HBASE-17886 Fix compatibility of ServerSideScanMetrics Blocker .
HBASE-17869 UnsafeAvailChecker wrongly returns false on ppc Minor .
HBASE-17871 scan#setBatch(int) call leads wrong result of VerifyReplication Minor .
HBASE-15871 Memstore flush doesn't finish because of backwardseek() in memstore scanner. Major Scanners
HBASE-17785 RSGroupBasedLoadBalancer fails to assign new table regions when cloning snapshot Major .
HBASE-17698 ReplicationEndpoint choosing sinks Major Replication
HBASE-16780 Since move to protobuf3.1, Cells are limited to 64MB where previous they had no limit Critical Protobufs
HBASE-17821 The CompoundConfiguration#toString is wrong Trivial .
HBASE-17660 HFileSplitter is not being applied during full table restore Major .
HBASE-17287 Master becomes a zombie if filesystem object closes Blocker master
HBASE-17807 correct the value of zookeeper.session.timeout in hbase doc Trivial documentation
HBASE-17798 RpcServer.Listener.Reader can abort due to CancelledKeyException Major .
HBASE-17812 Remove RpcConnection from pool in AbstractRpcClient.cancelConnections Major Client, rpc
HBASE-16014 Get and Put constructor argument lists are divergent Major .
HBASE-17582 Drop page cache hint is broken Critical Compaction, io
HBASE-16084 Clean up the stale references in javadoc Minor .
HBASE-17426 Inconsistent environment variable names for enabling JMX Major .
HBASE-17792 Use a shared thread pool for AtomicityWriter, AtomicGetReader, AtomicScanReader's connections in TestAcidGuarantees Minor .
HBASE-17723 ClientAsyncPrefetchScanner may end prematurely when the size of the cache is one Major .
HBASE-17779 disable_table_replication returns misleading message and does not turn off replication Major Replication
HBASE-17780 BoundedByteBufferPool "At capacity" messages are not actionable Minor .
HBASE-17501 NullPointerException after Datanodes Decommissioned and Terminated Minor Filesystem Integration, Operability
HBASE-17773 VerifyReplication tool wrongly emits warning "ERROR: Invalid argument '--recomparesleep=xx'" Trivial .
HBASE-17746 TestSimpleRpcScheduler.testCoDelScheduling is broken Major integration tests
HBASE-17772 IntegrationTestRSGroup won't run Minor rsgroup
HBASE-17712 Remove/Simplify the logic of RegionScannerImpl.handleFileNotFound Major regionserver
HBASE-17763 IPCUtil.wrapException will wrap DoNotRetryIOException with IOException Major IPC/RPC
HBASE-17736 Some options can't be configured by the shell Minor .
HBASE-17761 Test TestRemoveRegionMetrics.testMoveRegion fails intermittently because of race condition Major Region Assignment
HBASE-17760 HDFS Balancer doc is misleading Minor documentation
HBASE-17718 Difference between RS's servername and its ephemeral node cause SSH stop working Major .
HBASE-17729 Missing shortcuts for some useful HCD options Trivial shell
HBASE-17717 Incorrect ZK ACL set for HBase superuser Critical security, Zookeeper
HBASE-17460 enable_table_replication can not perform cyclic replication of a table Critical Replication
HBASE-16630 Fragmentation in long running Bucket Cache Critical BucketCache
HBASE-17722 Metrics subsystem stop/start messages add a lot of useless bulk to operational logging Trivial metrics
HBASE-17710 HBase in standalone mode creates directories with 777 permission Major regionserver
HBASE-17673 Monitored RPC Handler not shown in the WebUI Minor .
HBASE-17688 MultiRowRangeFilter not working correctly if given same start and stop RowKey Minor .
HBASE-17699 Fix TestLockProcedure Blocker proc-v2
HBASE-17674 Major compaction may be cancelled in CompactionChecker Major Compaction
HBASE-17682 Region stuck in merging_new state indefinitely Major .
HBASE-17069 RegionServer writes invalid META entries for split daughters in some circumstances Blocker wal
HBASE-17677 ServerName parsing from directory name should be more robust to errors from guava's HostAndPort Major wal
HBASE-13882 Fix RegionSplitPolicy section in HBase book Trivial documentation
HBASE-17675 ReplicationEndpoint should choose new sinks if a SaslException occurs Major .
HBASE-15328 Unvalidated Redirect in HMaster Minor security
HBASE-17661 fix the queue length passed to FastPathBalancedQueueRpcExecutor Minor .
HBASE-17653 HBASE-17624 rsgroup synchronizations will (distributed) deadlock Major rsgroup
HBASE-17658 Fix bookkeeping error with max regions for a table Major Balancer
HBASE-17421 Update refguide w.r.t. MOB Sweeper Major documentation, mob
HBASE-17649 REST API for scan should return 410 when table is disabled Major .
HBASE-17640 Unittest error in TestMobCompactor with different timezone Minor mob
HBASE-17624 Address late review of HBASE-6721, rsgroups feature Major rsgroup
HBASE-17639 Do not stop server if ReplicationSourceManager's waitUntilCanBePushed throws InterruptedException Major Replication
HBASE-17558 ZK dumping jsp should escape html Minor security, UI
HBASE-9702 Change unittests that use "table" or "testtable" to use method names. Major test
HBASE-17611 Thrift 2 per-call latency metrics are capped at ~ 2 seconds Major metrics, Thrift
HBASE-17603 REST API for scan should return 404 when table does not exist Blocker REST, scan
HBASE-17638 Remove duplicated initialization of CacheConfig in HRegionServer Minor .
HBASE-17622 Add hbase-metrics package to TableMapReduceUtil Trivial mapreduce
HBASE-17616 Incorrect actions performed by CM Major .
HBASE-17105 Annotate RegionServerObserver Major .
HBASE-17381 ReplicationSourceWorkerThread can die due to unhandled exceptions Major Replication
HBASE-17565 StochasticLoadBalancer may incorrectly skip balancing due to skewed multiplier sum Critical .
HBASE-17606 Fix failing TestRpcControllerFactory introduced by HBASE-17508 Major Client, scan
HBASE-17187 DoNotRetryExceptions from coprocessors should bubble up to the application Major .
HBASE-17578 Thrift per-method metrics should still update in the case of exceptions Major Thrift
HBASE-17593 Fix build with hadoop 3 profile Major .
HBASE-17601 close() in TableRecordReaderImpl assumes the split has started Minor hadoop2
HBASE-17587 Do not Rethrow DoNotRetryIOException as UnknownScannerException Major Coprocessors, regionserver, rpc
HBASE-17581 mvn clean test -PskipXXXTests does not work properly for some modules Major .
HBASE-16621 HBCK should have -fixHFileLinks Major .
HBASE-17522 RuntimeExceptions from MemoryMXBean should not take down server process Major regionserver
HBASE-17197 hfile does not work in 2.0 Major HFile
HBASE-17538 HDFS.setStoragePolicy() logs errors on local fs Major .
HBASE-16785 We are not running all tests Major build, test
HBASE-17540 Change SASL server GSSAPI callback log line from DEBUG to TRACE in RegionServer to reduce log volumes in DEBUG mode Minor regionserver
HBASE-17271 hbase-thrift QA tests only run one test Major .
HBASE-17407 Correct update of maxFlushedSeqId in HRegion Major wal
HBASE-17489 ClientScanner may send a next request to a RegionScanner which has been exhausted Critical Client, scan
HBASE-17357 PerformanceEvaluation parameters parsing triggers NPE. Minor Performance, test
HBASE-17496 RSGroup shell commands:get_server_rsgroup don't work and commands display an incorrect result size Major shell
HBASE-17486 Tighten the contract for batch client methods Trivial API
HBASE-17482 mvcc mechanism fails when using mvccPreAssign Critical .
HBASE-17469 Properly handle empty TableName in TablePermission#readFields and #write Major findbugs
HBASE-17475 Stack overflow in AsyncProcess if retry too much Major API, Client
HBASE-17464 Fix HBaseTestingUtility.getNewDataTestDirOnTestFS to always return a unique path Minor test
HBASE-17450 TablePermission#equals throws NPE after namespace support was added Major findbugs
HBASE-17452 Failed taking snapshot - region Manifest proto-message too large Major snapshots
HBASE-17434 New Synchronization Scheme for Compaction Pipeline Major .
HBASE-17445 Count size of serialized exceptions in checking max result size quota Major .
HBASE-17429 HBase bulkload cannot support HDFS viewFs Major .
HBASE-17435 Call to preCommitStoreFile() hook encounters SaslException in secure deployment Major .
HBASE-17430 dead links in ref guide to class javadocs that moved out of user APIs. Major documentation, website
HBASE-17424 Protect REST client against malicious XML responses. Major REST
HBASE-17351 Enforcer plugin fails with NullPointerException Critical build
HBASE-17290 Potential loss of data for replication of bulk loaded hfiles Major .
HBASE-17390 Online update of configuration for all servers leaves out masters Major .
HBASE-17403 ClientAsyncPrefetchScanner doesn’t load any data if the MaxResultSize is too small Major .
HBASE-17387 Reduce the overhead of exception report in RegionActionResult for multi() Minor .
HBASE-17385 Change usage documentation from bin/hbase to hbase in various tools Major .
HBASE-17374 ZKPermissionWatcher crashed when grant after region close Critical regionserver
HBASE-17376 ClientAsyncPrefetchScanner may fail due to too many rows Major .
HBASE-17330 SnapshotFileCache will always refresh the file cache Minor snapshots
HBASE-16663 JMX ConnectorServer stopped when unauthorized user try to stop HM/RS/cluster Critical metrics, security
HBASE-17341 Add a timeout during replication endpoint termination Critical .
HBASE-17328 Properly dispose of looped replication peers Critical Replication
HBASE-17347 ExportSnapshot may write snapshot info file to wrong directory when specifying target name Minor snapshots
HBASE-17344 The regionserver web UIs miss the coprocessors of RegionServerCoprocessorHost. Minor .
HBASE-17333 HBASE-17294 always ensures CompactingMemstore is default Critical .
HBASE-17326 Fix findbugs warning in BufferedMutatorParams Major .
HBASE-17309 Fix connection leaks in TestAcidGuarantees Minor integration tests
HBASE-17297 Single Filter in parenthesis cannot be parsed correctly Major Filters
HBASE-17237 Override the correct compact method in HMobStore Major mob
HBASE-16985 TestClusterId failed due to wrong hbase rootdir Minor test
HBASE-15437 Response size calculated in RPCServer for warning tooLarge responses does NOT count CellScanner payload Major IPC/RPC
HBASE-17256 Rpc handler monitoring will be removed when the task queue is full Major .
HBASE-17170 HBase is also retrying DoNotRetryIOException because of class loader differences. Major .
HBASE-17252 Wrong arguments for ValueAndTagRewriteCell in CellUtil Major .
HBASE-16841 Data loss in MOB files after cloning a snapshot and deleting that snapshot Blocker mob, snapshots
HBASE-17118 StoreScanner leaked in KeyValueHeap Major .
HBASE-17231 Region#getCellCompartor sp? Trivial .
HBASE-16886 hbase-client: scanner with reversed=true and small=true gets no result Major .
HBASE-17112 Prevent setting timestamp of delta operations the same as previous value's Major .
HBASE-16209 Provide an ExponentialBackOffPolicy sleep between failed region open requests Major .
HBASE-17206 FSHLog may roll a new writer successfully with unflushed entries Critical wal
HBASE-17224 There are lots of spelling errors in the HBase logging and exception messages Trivial Client, io, mapreduce, master, regionserver, security, wal
HBASE-17192 remove use of scala-tools.org from pom Blocker spark, website
HBASE-17186 MasterProcedureTestingUtility#testRecoveryAndDoubleExecution displays stale procedure state info Minor proc-v2, test
HBASE-17072 CPU usage starts to climb up to 90-100% when using G1GC; purge ThreadLocal usage Critical Performance, regionserver
HBASE-17116 [PerformanceEvaluation] Add option to configure block size Trivial tooling
HBASE-17127 Locate region should fail fast if underlying Connection already closed Major .
HBASE-17144 Possible offheap read ByteBuffers leak Major rpc
HBASE-17160 Undo unnecessary inter-module dependency; spark to hbase-it and hbase-it to shell Minor .
HBASE-17171 IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run Minor integration tests
HBASE-17158 Avoid deadlock caused by HRegion#doDelta Major .
HBASE-17166 ITBLL fails on master unable to find hbase-protocol-shaded content Major .
HBASE-17095 The ClientSimpleScanner keeps retrying if the hfile is corrupt or cannot found Major regionserver, scan
HBASE-16989 RowProcess#postBatchMutate doesn’t be executed before the mvcc transaction completion Major .
HBASE-17058 Lower epsilon used for jitter verification from HBASE-15324 Major Compaction
HBASE-17082 ForeignExceptionUtil isn’t packaged when building shaded protocol with -Pcompile-protobuf Major .
HBASE-17091 IntegrationTestZKAndFSPermissions failed with 'KeeperException$NoNodeException' Major .
HBASE-17092 Both LoadIncrementalHFiles#doBulkLoad() methods should set return value Major .
HBASE-17044 Fix merge failed before creating merged region leaves meta inconsistent Critical regionserver
HBASE-17074 PreCommit job always fails because of OOM Critical build
HBASE-16345 RpcRetryingCallerWithReadReplicas#call() should catch some RegionServer Exceptions Major Client
HBASE-17062 RegionSplitter throws ClassCastException Minor util
HBASE-16962 Add readPoint to preCompactScannerOpen() and preFlushScannerOpen() API Major .
HBASE-17039 SimpleLoadBalancer schedules large amount of invalid region moves Major Balancer
HBASE-17020 keylen in midkey() dont computed correctly Major HFile
HBASE-16938 TableCFsUpdater maybe failed due to no write permission on peerNode Major Replication
HBASE-17052 compile-protobuf profile does not compile protobufs in some modules anymore Major .
HBASE-17054 Compactor#preCreateCoprocScanner should be passed user Major .
HBASE-16983 TestMultiTableSnapshotInputFormat failing with Unable to create region directory: /tmp/... Minor test
HBASE-17042 Remove 'public' keyword from MasterObserver interface Minor Coprocessors
HBASE-17033 LogRoller makes a lot of allocations unnecessarily Major .
HBASE-16992 The usage of mutation from CP is weird. Minor .
HBASE-17032 CallQueueTooBigException and CallDroppedException should not be triggering PFFE Major Client
HBASE-16960 RegionServer hang when aborting Critical .
HBASE-14329 Report region in transition only ever operates on one region Major Region Assignment
HBASE-16964 Successfully archived files are not cleared from compacted store file list if archiving of any file fails Blocker regionserver
HBASE-16976 hbase-protocol-shaded module generates classes to wrong directory Minor build
HBASE-16931 Setting cell's seqId to zero in compaction flow might cause RS down. Critical regionserver
HBASE-16980 TestRowProcessorEndpoint failing consistently Major .
HBASE-16966 Re-enable TestSimpleRpcScheduler#testCoDelScheduling in master branch Major test
HBASE-16974 Update os-maven-plugin to 1.4.1.final+ for building shade file on RHEL/CentOS Minor .
HBASE-16971 The passed durability of Append/Increment isn't used in wal sync Major .
HBASE-16743 TestSimpleRpcScheduler#testCoDelScheduling is broke Major rpc
HBASE-16948 Fix inconsistency between HRegion and Region javadoc on getRowLock Major .
HBASE-16949 Fix RAT License complaint about the hbase-protocol-shaded/src/main/patches content Major .
HBASE-16939 ExportSnapshot: set owner and permission on right directory Minor .
HBASE-16000 Table#checkAndPut() docs are too vague Minor documentation
HBASE-16880 Correct the javadoc/behaviour of the APIs in ByteBufferUtils Major .
HBASE-16930 AssignmentManager#checkWals() function can recur infinitely Major Region Assignment
HBASE-16887 Allow setting different hadoopcheck versions in precommit for different branches Major build
HBASE-15684 Fix the broken log file size accounting Major wal
HBASE-16870 Add the metrics of replication sources which were transformed from other dead rs to ReplicationLoad Minor Replication
HBASE-16815 Low scan ratio in RPC queue tuning triggers divide by zero exception Major regionserver, rpc
HBASE-16829 DemoClient should detect secure mode Major .
HBASE-16754 Regions failing compaction due to referencing non-existent store file Blocker .
HBASE-15348 Fix tests broken by recent metrics re-work Major metrics, test
HBASE-16910 Avoid NPE when starting StochasticLoadBalancer Minor Balancer
HBASE-16701 TestHRegion and TestHRegionWithInMemoryFlush timing out Major regionserver, test
HBASE-16889 Proc-V2: verifyTables in the IntegrationTestDDLMasterFailover test after each table DDL is incorrect Major proc-v2
HBASE-16884 Add HBase-2.0.x to the hadoop version support matrix in our documentation Blocker documentation
HBASE-16752 Upgrading from 1.2 to 1.3 can lead to replication failures due to difference in RPC size limit Major Replication, rpc
HBASE-16578 Mob data loss after mob compaction and normal compaction Major mob
HBASE-16824 Writer.flush() can be called on already closed streams in WAL roll Major wal
HBASE-16866 Avoid NPE in AsyncRequestFutureImpl#updateStats Minor .
HBASE-16733 add hadoop 3.0.0-alpha1 to precommit checks Major build, hadoop3
HBASE-16283 Batch Append/Increment will always fail if set ReturnResults to false Minor API
HBASE-16712 fix hadoop-3.0 profile mvn install Major build, hadoop3
HBASE-16721 Concurrency issue in WAL unflushed seqId tracking Critical wal
HBASE-16326 CellModel / RowModel should override 'equals', 'hashCode' and 'toString' Trivial REST
HBASE-16855 Avoid NPE in MetricsConnection’s construction Minor .
HBASE-16856 Exception message in SyncRunner.run() should print currentSequence Minor wal
HBASE-16853 Regions are assigned to Region Servers in /hbase/draining after HBase Master failover Major Balancer, Region Assignment
HBASE-16810 HBase Balancer throws ArrayIndexOutOfBoundsException when regionservers are in /hbase/draining znode and unloaded Major Balancer
HBASE-16664 Timeout logic in AsyncProcess is broken Major .
HBASE-16724 Snapshot owner can't clone Major snapshots
HBASE-16807 RegionServer will fail to report new active Hmaster until HMaster/RegionServer failover Major regionserver
HBASE-16716 OfflineMetaRepair leaves empty directory inside /hbase/WALs which remains forever Minor hbck
HBASE-16746 The log of “region close” should differ from “region move” Minor .
HBASE-16808 Included the generated, shaded java files from "HBASE-15638 Shade protobuf" in our src assembly Blocker .
HBASE-16731 Inconsistent results from the Get/Scan if we use the empty FilterList Minor .
HBASE-16801 The Append/Increment may return the data from future Critical .
HBASE-15109 HM/RS failed to start when "fs.hdfs.impl.disable.cache" is set to true Critical regionserver
HBASE-16622 Fix some issues with the HBase reference guide Major documentation
HBASE-16793 Exclude shaded protobuf files from rat check Major build
HBASE-16699 Overflows in AverageIntervalRateLimiter's refill() and getWaitInterval() Major .
HBASE-16771 VerifyReplication should increase GOODROWS counter if re-comparison passes Major .
HBASE-16768 Inconsistent results from the Append/Increment Minor .
HBASE-16767 Mob compaction needs to clean up files in /hbase/mobdir/.tmp and /hbase/mobdir/.tmp/.bulkload when running into IO exceptions Major mob
HBASE-16681 Fix flaky TestReplicationSourceManagerZkImpl Major .
HBASE-16753 There is a mismatch between suggested Java version in hbase-env.sh Minor scripts
HBASE-16644 Errors when reading legit HFile Trailer of old (v2.0) format file Critical HFile
HBASE-16763 Remove unintentional dependency on net.sf.ehcache.search.Results Major .
HBASE-16764 hbase-protocol-shaded generate-shaded-classes profile unpacks shaded java files into wrong location Major build
HBASE-16739 Timed out exception message should include encoded region name Minor .
HBASE-16678 MapReduce jobs do not update counters from ScanMetrics Major .
HBASE-16732 Avoid possible NPE in MetaTableLocator Minor .
HBASE-16723 RMI registry is not destroyed after stopping JMX Connector Server Major metrics
HBASE-16711 Fix hadoop-3.0 profile compile Major build, hadoop3
HBASE-16696 After HBASE-16604 - does not release blocks in case of scanner exception Critical .
HBASE-16682 Fix Shell tests failure. NoClassDefFoundError for MiniKdc Major .
HBASE-16660 ArrayIndexOutOfBounds during the majorCompactionCheck in DateTieredCompaction Critical Compaction
HBASE-16643 Reverse scanner heap creation may not allow MSLAB closure due to improper ref counting of segments Critical .
HBASE-16649 Truncate table with splits preserved can cause both data loss and truncated data appeared again Major .
HBASE-16704 Scan will be broken while working with DBE and KeyValueCodecWithTags Major .
HBASE-16645 Wrong range of Cells is caused by CellFlatMap#tailMap, headMap, and SubMap Major .
HBASE-16665 Check whether KeyValueUtil.createXXX could be replaced by CellUtil without copy Major .
HBASE-16697 bump TestRegionServerMetrics to LargeTests Trivial test
HBASE-16679 Flush throughput controller: Minor perf change and fix flaky TestFlushWithThroughputController Major .
HBASE-16693 The commit of HBASE-16604 creates a unrelated folder Critical .
HBASE-16688 Split TestMasterFailoverWithProcedures Major proc-v2, test
HBASE-16604 Scanner retries on IOException can cause the scans to miss data Critical regionserver, Scanners
HBASE-16662 Fix open POODLE vulnerabilities Major REST, Thrift
HBASE-16675 Average region size may be incorrect when there is region whose RegionLoad cannot be retrieved Major .
HBASE-16670 Make RpcServer#processRequest logic more robust Minor .
HBASE-12088 Remove un-used profiles in non-root poms Major .
HBASE-16669 fix flaky TestAdmin#testmergeRegions Major test
HBASE-16294 hbck reporting "No HDFS region dir found" for replicas Minor hbck
HBASE-12949 Scanner can be stuck in infinite loop if the HFile is corrupted Major .
HBASE-16654 Better handle channelInactive and close for netty rpc client Major .
HBASE-16540 Scan should do additional validation on start and stop row Major Client
HBASE-16647 hbck should do offline reference repair before online repair Major .
HBASE-16551 Cleanup SplitLogManager and CatalogJanitor Trivial master
HBASE-16635 RpcClient under heavy load leaks some netty bytebuf Minor .
HBASE-16165 Decrease RpcServer.callQueueSize before writeResponse causes OOM Minor IPC/RPC, rpc
HBASE-16624 MVCC DeSerialization bug in the HFileScannerImpl Blocker HFile
HBASE-16612 Use array to cache Types for KeyValue.Type.codeToType Minor .
HBASE-16491 A few org.apache.hadoop.hbase.rsgroup classes missing @InterfaceAudience annotation Minor API, regionserver
HBASE-16609 Fake cells EmptyByteBufferedCell created in read path not implementing SettableSequenceId Major .
HBASE-16614 Use daemon thread for netty event loop Major IPC/RPC, rpc
HBASE-15624 Move master branch/hbase-2.0.0 to jdk-8 only Blocker build
HBASE-16576 Shell add_peer doesn't allow setting cluster_key for custom endpoints Major shell
HBASE-16309 TestDefaultCompactSelection.testCompactionRatio is flaky Major Compaction, test
HBASE-16589 Adjust log level for FATAL messages from HBaseReplicationEndpoint that are not fatal Trivial .
HBASE-16544 Remove or Clarify 'Using Amazon S3 Storage' section in the reference guide Major documentation, Filesystem Integration
HBASE-16572 Sync method in RecoverableZooKeeper failed to pass callback function in Minor Zookeeper
HBASE-16460 Can't rebuild the BucketAllocator's data structures when BucketCache uses FileIOEngine Major BucketCache
HBASE-16556 The read/write timeout are not used in HTable.delete(List), HTable.get(List), and HTable.existsAll(List) Minor .
HBASE-16538 Version mismatch in HBaseConfiguration.checkDefaultsVersion Major .
HBASE-16552 MiniHBaseCluster#getServerWith() does not ignore stopped RSs Trivial test
HBASE-16547 hbase-archetype-builder shell scripts assume bash is installed in /bin Trivial .
HBASE-16375 Mapreduce mini cluster using HBaseTestingUtility not setting correct resourcemanager and jobhistory webapp address of MapReduceTestingShim Minor .
HBASE-16527 IOExceptions from DFS client still can cause CatalogJanitor to delete referenced files Major .
HBASE-15278 AsyncRPCClient hangs if Connection closes before RPC call response Blocker rpc, test
HBASE-16528 Procedure-V2: ServerCrashProcedure misses owner information Major hbase, master, proc-v2
HBASE-16535 Use regex to exclude generated classes for findbugs Major findbugs
HBASE-16515 AsyncProcess has incorrent count of tasks if the backoff policy is enabled Minor .
HBASE-16490 Fix race condition between SnapshotManager and SnapshotCleaner Major .
HBASE-16409 Row key for bad row should be properly delimited in VerifyReplication Minor .
HBASE-16495 When accessed via Thrift, all column families have timeToLive equal to -1 Minor Thrift
HBASE-16304 HRegion#RegionScannerImpl#handleFileNotFoundException may lead to deadlock when trying to obtain write lock on updatesLock Critical .
HBASE-16270 Handle duplicate clearing of snapshot in region replicas Major Replication
HBASE-16471 Region Server metrics context will be wrong when machine hostname contain "master" word Minor metrics
HBASE-16456 Fix findbugs warnings in hbase-rsgroup module Minor .
HBASE-16464 archive folder grows bigger and bigger due to corrupt snapshot under tmp dir Major snapshots
HBASE-16360 TableMapReduceUtil addHBaseDependencyJars has the wrong class name for PrefixTreeCodec Minor mapreduce
HBASE-16446 append_peer_tableCFs failed when there already have this table's partial cfs in the peer Minor Replication
HBASE-16454 Compactor's shipping logic decision should be based on the current store's block size Minor .
HBASE-16444 CellUtil#estimatedSerializedSizeOfKey() should consider KEY_INFRASTRUCTURE_SIZE Minor .
HBASE-7621 REST client (RemoteHTable) doesn't support binary row keys Major REST
HBASE-16430 Fix RegionServer Group's bug when moving multiple tables Major master
HBASE-16429 FSHLog: deadlock if rollWriter called when ring buffer filled with appends Critical .
HBASE-16384 Update report-flakies.py script to allow specifying a list of build ids to be excluded Major .
HBASE-15635 Mean age of Blocks in cache (seconds) on webUI should be greater than zero Major .
HBASE-16341 Missing bit on "Regression: Random Read/WorkloadC slower in 1.x than 0.98" Major rpc
HBASE-16267 Remove commons-httpclient dependency from hbase-rest module Critical .
HBASE-16389 Thread leak in CoprocessorHost#getTable(TableName) API Major .
HBASE-16363 Correct javadoc for qualifier length and value length in Cell interface Minor documentation
HBASE-16368 test*WhenRegionMove in TestPartialResultsFromClientSide is flaky Major Scanners
HBASE-16310 Revisit the logic of filterRowKey for Filters Major .
HBASE-16361 Revert of HBASE-16317, "revert all ESAPI..." broke TestLogLevel Major dependencies, UI
HBASE-16367 Race between master and region server initialization may lead to premature server abort Major .
HBASE-16303 FilterList with MUST_PASS_ONE optimization Major Filters
HBASE-15866 Split hbase.rpc.timeout into *.read.timeout and *.write.timeout Major .
HBASE-16362 Mob compaction does not set cacheBlocks to false when creating StoreScanner Major Compaction, regionserver
HBASE-16359 NullPointerException in RSRpcServices.openRegion() Major .
HBASE-15461 ref guide has bad links to blogs originally posted on cloudera website Major website
HBASE-15574 Minor typo on HRegionServerCommandLine.java Trivial .
HBASE-16350 Undo server abort from HBASE-14968 Major .
HBASE-16271 Fix logging and re-run the test in IntegrationTestBulkLoad Major .
HBASE-16347 Unevaluated expressions in book Major documentation, website
HBASE-16301 Trigger flush without waiting when compaction is disabled on a table Minor .
HBASE-16319 Fix TestCacheOnWrite after HBASE-16288 Trivial .
HBASE-16315 RegionSizeCalculator prints region names as binary without escapes Trivial .
HBASE-16284 Unauthorized client can shutdown the cluster Major .
HBASE-16296 Reverse scan performance degrades when using filter lists Major Filters
HBASE-16288 HFile intermediate block level indexes might recurse forever creating multi TB files Critical HFile
HBASE-16234 Expect and handle nulls when assigning replicas Major Region Assignment
HBASE-16306 Add specific imports to avoid namespace clash in defaultSource.scala Minor .
HBASE-16300 LruBlockCache.CACHE_FIXED_OVERHEAD should calculate LruBlockCache size correctly Major .
HBASE-16289 AsyncProcess stuck messages need to print region/server Critical Operability
HBASE-16096 Replication keeps accumulating znodes Major Replication
HBASE-16293 TestSnapshotFromMaster#testSnapshotHFileArchiving flakey Major test
HBASE-16281 TestMasterReplication is flaky Major .
HBASE-16221 Thrift server drops connection on long scans Major Thrift
HBASE-16272 Overflow in ServerName's compareTo method Major hbase
HBASE-16244 LocalHBaseCluster start timeout should be configurable Major hbase
HBASE-16238 It's useless to catch SESSIONEXPIRED exception and retry in RecoverableZooKeeper Minor Zookeeper
HBASE-16172 Unify the retry logic in ScannerCallableWithReplicas and RpcRetryingCallerWithReadReplicas Major .
HBASE-16110 AsyncFS WAL doesn't work with Hadoop 2.8+ Blocker wal
HBASE-16076 Cannot configure split policy in HBase shell Minor documentation
HBASE-16144 Replication queue's lock will live forever if RS acquiring the lock has died prematurely Major .
HBASE-16235 TestSnapshotFromMaster#testSnapshotHFileArchiving will fail if there are too many hfiles Trivial .
HBASE-16183 Correct errors in example programs of coprocessor in Ref Guide Minor documentation
HBASE-16095 Add priority to TableDescriptor and priority region open thread pool Major .
HBASE-16227 [Shell] Column value formatter not working in scans Major .
HBASE-16211 JMXCacheBuster restarting the metrics system might cause tests to hang Major .
HBASE-16150 Remove ConcurrentIndex Major .
HBASE-16207 can't restore snapshot without "Admin" permission Major master, snapshots
HBASE-16184 Shell test fails due to rLoadSink being nil Major .
HBASE-16055 PutSortReducer loses any Visibility/acl attribute set on the Puts Critical security
HBASE-16081 Replication remove_peer gets stuck and blocks WAL rolling Blocker regionserver, Replication
HBASE-16044 Fix 'hbase shell' output parsing in graceful_stop.sh Critical scripts, shell
HBASE-16160 Get the UnsupportedOperationException when using delegation token with encryption Blocker .
HBASE-16074 ITBLL fails, reports lost big or tiny families Blocker integration tests
HBASE-16201 NPE in RpcServer causing intermittent UT failure of TestMasterReplication#testHFileCyclicReplication Major .
HBASE-16171 Fix the potential problems in TestHCM.testConnectionCloseAllowsInterrupt Major .
HBASE-15925 compat-module maven variable not evaluated Blocker build
HBASE-16187 Fix typo in blog post for metrics2 Major website
HBASE-16190 IntegrationTestDDLMasterFailover failed with IllegalArgumentException: n must be positive Minor .
HBASE-16182 Increase IntegrationTestRpcClient timeout Major .
HBASE-16157 The incorrect block cache count and size are caused by removing duplicate block key in the LruBlockCache Trivial .
HBASE-16177 In dev mode thrift server can't be run Major .
HBASE-16091 Canary takes lot more time when there are delete markers in the table Major canary
HBASE-16132 Scan does not return all the result when regionserver is busy Major Client
HBASE-16135 PeerClusterZnode under rs of removed peer may never be deleted Major Replication
HBASE-15844 We should respect hfile.block.index.cacheonwrite when write intermediate index Block Major .
HBASE-16159 OutOfMemory exception when using AsyncRpcClient with encryption to read rpc response Major .
HBASE-16125 RegionMover uses hardcoded, Unix-style tmp folder - breaks Windows Major .
HBASE-16133 RSGroupBasedLoadBalancer.retainAssignment() might miss a region Major .
HBASE-16129 check_compatibility.sh is broken when using Java API Compliance Checker v1.7 Major test
HBASE-15976 RegionServerMetricsWrapperRunnable will be failure when disable blockcache. Major .
HBASE-16122 PerformanceEvaluation should provide user friendly hint when client threads argument is missing Minor .
HBASE-16069 Typo "trapsparently" in item 3 of chapter 87.2 of Reference Guide Minor documentation
HBASE-16109 Add Interface audience annotation to a few classes Minor .
HBASE-16111 Truncate preserve shell command is broken Major shell
HBASE-16103 Procedure v2 - TestCloneSnapshotProcedure relies on execution order Minor proc-v2, test
HBASE-16040 Remove configuration "hbase.replication" Major .
HBASE-16070 Mapreduce Serialization classes do not have Interface audience Major .
HBASE-16012 Major compaction can't work due to obsolete scanner read point in RegionServer Major Compaction, Scanners
HBASE-16062 Improper error handling in WAL Reader/Writer creation Major .
HBASE-16032 Possible memory leak in StoreScanner Major .
HBASE-16035 Nested AutoCloseables might not all get closed Major .
HBASE-15783 AccessControlConstants#OP_ATTRIBUTE_ACL_STRATEGY_CELL_FIRST not used any more. Major .
HBASE-16059 Region normalizer fails to trigger merge action where one of the regions is empty Major master
HBASE-14485 ConnectionImplementation leaks on construction failure Major Client
HBASE-16054 OutOfMemory exception when using AsyncRpcClient with encryption Major .
HBASE-16066 Resolve RpC_REPEATED_CONDITIONAL_TEST findbugs warnings in HMaster Major .
HBASE-16058 TestHRegion fails on 1.4 builds Major test
HBASE-15467 Remove 1.x/2.0 TableDescriptor incompatibility Major master, regionserver
HBASE-16061 Allow logging to a buffered console Major .
HBASE-16053 Master code is not setting the table in ENABLING state in create table Major .
HBASE-16045 endtime argument for VerifyReplication was incorrectly specified in usage Major .
HBASE-15977 Failed variable substitution on home page Major website
HBASE-16047 TestFastFail is broken again Major test
HBASE-15908 Checksum verification is broken due to incorrect passing of ByteBuffers in DataChecksum Blocker HFile
HBASE-16031 Documents about "hbase.replication" default value seems wrong Major documentation
HBASE-16017 HBase TableOutputFormat has connection leak in getRecordWriter Major mapreduce
HBASE-15746 Remove extra RegionCoprocessor preClose() in RSRpcServices#closeRegion Minor Coprocessors, regionserver
HBASE-16021 graceful_stop.sh: Wrap variables in double quote to avoid "[: too many arguments" error Minor scripts
HBASE-16016 AssignmentManager#waitForAssignment could have unexpected negative deadline Major .
HBASE-16007 Job's Configuration should be passed to TableMapReduceUtil#addDependencyJars() in WALPlayer Major .
HBASE-14644 Region in transition metric is broken Major .
HBASE-15946 Eliminate possible security concerns in RS web UI's store file metrics Major .
HBASE-15990 The priority value of subsequent coprocessors in the Coprocessor.Priority.SYSTEM list are not incremented by one Minor .
HBASE-15952 Bulk load data replication is not working when RS user does not have permission on hfile-refs node Major Replication
HBASE-15975 logic in TestHTableDescriptor#testAddCoprocessorWithSpecStr is wrong Trivial test
HBASE-15959 Fix flaky test TestRegionServerMetrics.testMobMetrics Major .
HBASE-15957 RpcClientImpl.close never ends in some circumstances Major Client, rpc
HBASE-15803 ZooKeeperWatcher's constructor can leak a ZooKeeper instance with throwing ZooKeeperConnectionException when canCreateBaseZNode is true Minor .
HBASE-15698 Increment TimeRange not serialized to server Blocker .
HBASE-15965 Shell test changes. Use @shell.command instead directly calling functions in admin.rb and other libraries. Major .
HBASE-15954 REST server should log requests with TRACE instead of DEBUG Major .
HBASE-15889 String case conversions are locale-sensitive, used without locale Minor localization
HBASE-15955 Disable action in CatalogJanitor#setEnabled should wait for active cleanup scan to finish Major master
HBASE-15929 There are two classes with name TestRegionServerMetrics Major .
HBASE-15845 Shell Cleanup : move formatter to commands.rb; move one of the two hbase.rb to hbase_constants.rb Minor shell
HBASE-15933 NullPointerException may be thrown from SimpleRegionNormalizer#getRegionSize() Major .
HBASE-15938 submit-patch.py: Don't crash if there are tests with same name. Refactor: Split out html template to separate file. Major .
HBASE-15944 Spark test flooding mvn output. Redirect test logs to file. Major .
HBASE-15858 Some region server group shell commands don't work Major .
HBASE-15932 Shell test fails due to uninitialized constant Major .
HBASE-15907 Missing documentation of create table split options Major documentation
HBASE-15918 Cleanup excludes/includes file after use in hbase-personality.sh to avoid asf license error. Major .
HBASE-15897 Fix a wrong comment about QOS order Trivial .
HBASE-15909 Use Yetus' patch naming rules in submit-patch.py Major .
HBASE-15912 REST module has 2 extant results in findbugs Major .
HBASE-15891 Closeable resources potentially not getting closed if exception is thrown Minor .
HBASE-15693 Reconsider the ImportOrder rule of checkstyle Major build
HBASE-11625 Reading datablock throws "Invalid HFile block magic" and can not switch to hdfs checksum Major HFile
HBASE-15830 Sasl encryption doesn't work with AsyncRpcChannelImpl Major .
HBASE-15884 NPE in StoreFileScanner#skipKVsNewerThanReadpoint during reverse scan Major Scanners
HBASE-15880 RpcClientImpl#tracedWriteRequest incorrectly closes HTrace span Major tracing
HBASE-14818 user_permission does not list namespace permissions Minor hbase
HBASE-15856 Cached Connection instances can wind up with addresses never resolved Critical Client
HBASE-15863 Typo in Put.java class documentation Trivial documentation, java
HBASE-15465 userPermission returned by getUserPermission() for the selected namespace does not have namespace set Minor Protobufs
HBASE-15617 Canary in regionserver mode might not enumerate all regionservers Minor .
HBASE-15850 Localize the configuration change in testCheckTableLocks to reduce flakiness of TestHBaseFsck test suite Major hbck
HBASE-15841 Performance Evaluation tool total rows may not be set correctly Minor .
HBASE-15824 LocalHBaseCluster gets bind exception in master info port Major .
HBASE-15784 Misuse core/maxPoolSize of LinkedBlockingQueue in ThreadPoolExecutor Major Client, Replication, Thrift
HBASE-15834 Correct Bloom filter documentation in section 96.4 of Reference Guide Minor documentation
HBASE-15769 Perform validation on cluster key for add_peer Minor .
HBASE-15848 Fix possible null point dereference in RSGroupBasedLoadBalancer#getMisplacedRegions() Trivial regionserver
HBASE-15840 WAL.proto compilation broken for cpp Major .
HBASE-15725 make_patch.sh should add the branch name when -b is passed. Major tooling
HBASE-15828 fix extant findbug Major findbugs
HBASE-15615 Wrong sleep time when RegionServerCallable need retry Major Client
HBASE-15811 Batch Get after batch Put does not fetch all Cells Blocker Client
HBASE-15742 Reduce allocation of objects in metrics Major .
HBASE-15799 Two Shell 'close_region' Example Syntaxes Don't Work Minor shell
HBASE-15801 Upgrade checkstyle for all branches Major build
HBASE-15797 TestIPCUtil fails after HBASE-15795 Major .
HBASE-15236 Inconsistent cell reads over multiple bulk-loaded HFiles Major .
HBASE-15807 Update report-flakies.py to look for "FAILED" status in test report Minor .
HBASE-15738 Ensure artifacts in project dist area include required md5 file Blocker build, community
HBASE-15796 TestMetaCache fails after HBASE-15745 Major .
HBASE-15781 Remove unused TableEventHandler and TotesHRegionInfo Trivial master
HBASE-15782 TestShell fails due to some moved types Major .
HBASE-15669 HFile size is not considered correctly in a replication request Major Replication
HBASE-15292 Refined ZooKeeperWatcher to prevent ZooKeeper's callback while construction Minor Zookeeper
HBASE-15563 'counter' may overflow in BoundedGroupingStrategy Minor wal
HBASE-15755 SnapshotDescriptionUtils and SnapshotTestingUtils do not have any Interface audience marked Major .
HBASE-15741 Provide backward compatibility for HBase coprocessor service names Blocker Coprocessors
HBASE-15613 TestNamespaceCommand times out Major .
HBASE-15528 Clean up outdated entries in hbase-default.xml Minor .
HBASE-15752 ClassNotFoundException is encountered when custom WAL codec is not found in WALPlayer job Major .
HBASE-15714 We are calling checkRow() twice in doMiniBatchMutation() Major regionserver
HBASE-15703 Deadline scheduler needs to return to the client info about skipped calls, not just drop them Critical IPC/RPC
HBASE-15357 TableInputFormatBase getSplitKey does not handle signed bytes correctly Major mapreduce
HBASE-15711 Add client side property to allow logging details for batch errors Major .
HBASE-15732 hbase-rsgroups should be in the assembly Major .
HBASE-15676 FuzzyRowFilter fails and matches all the rows in the table if the mask consists of all 0s Major Filters
HBASE-15697 Excessive TestHRegion running time on branch-1 Major .
HBASE-15685 Typo in REST documentation Minor documentation
HBASE-15708 Docker for dev-support scripts Major .
HBASE-15707 ImportTSV bulk output does not support tags with hfile.format.version=3 Major mapreduce
HBASE-15645 hbase.rpc.timeout is not used in operations of HTable Critical .
HBASE-15634 TestDateTieredCompactionPolicy#negativeForMajor is flaky Major test
HBASE-15710 Include issue servers information in RetriesExhaustedWithDetailsException message Minor .
HBASE-14252 RegionServers fail to start when setting hbase.ipc.server.callqueue.scan.ratio to 0 Major regionserver
HBASE-15699 Can not sync AsyncFSWAL if no edit is appended Major wal
HBASE-15360 Fix flaky TestSimpleRpcScheduler Critical test
HBASE-15670 Add missing Snapshot.proto to the maven profile for compiling protobuf Major .
HBASE-15674 HRegionLocator#getAllRegionLocations should put the results in cache Major .
HBASE-15672 hadoop.hbase.security.visibility.TestVisibilityLabelsWithDeletes fails Major test
HBASE-15673 [PE tool] Fix latency metrics for multiGet Major Performance
HBASE-14898 Correct Bloom filter documentation in the book Minor .
HBASE-15664 Use Long.MAX_VALUE instead of HConstants.FOREVER in CompactionPolicy Major Compaction
HBASE-15668 HFileReplicator$Copier fails to replicate other hfiles in the request when a hfile in not found in FS anywhere Trivial Replication
HBASE-15287 mapreduce.RowCounter returns incorrect result with binary row key inputs Major mapreduce, util
HBASE-15187 Integrate CSRF prevention filter to REST gateway Major .
HBASE-15650 Remove TimeRangeTracker as point of contention when many threads reading a StoreFile Major Performance
HBASE-15622 Superusers does not consider the keytab credentials Critical security
HBASE-15405 Synchronize final results logging single thread in PE, fix wrong defaults in help message Minor Performance
HBASE-15504 Fix Balancer in 1.3 not moving regions off overloaded regionserver Major .
HBASE-15637 TSHA Thrift-2 server should allow limiting call queue size Major Thrift
HBASE-15639 Unguarded access to stackIndexes in Procedure#toStringDetails() Minor .
HBASE-15636 hard coded wait time out value in HBaseTestingUtility#waitUntilAllRegionsAssigned might cause test failure Minor integration tests, test
HBASE-15621 Suppress Hbase SnapshotHFile cleaner error messages when a snaphot is going on Minor snapshots
HBASE-15627 Miss space and closing quote in AccessController#checkSystemOrSuperUser Minor security
HBASE-15093 Replication can report incorrect size of log queue for the global source when multiwal is enabled Minor Replication
HBASE-15591 ServerCrashProcedure not yielding Major .
HBASE-15623 Update refguide to change hadoop <= 2.3.x from NT to X for hbase-1.2.x Major documentation
HBASE-15587 FSTableDescriptors.getDescriptor() logs stack trace erronously Major .
HBASE-15485 Filter.reset() should not be called between batches Major .
HBASE-15578 Handle HBASE-15234 for ReplicationHFileCleaner Major Replication
HBASE-15582 SnapshotManifestV1 too verbose when there are no regions Trivial master, snapshots
HBASE-15424 Add bulk load hfile-refs for replication in ZK after the event is appended in the WAL Minor Replication
HBASE-15234 ReplicationLogCleaner can abort due to transient ZK issues Critical master, Replication
HBASE-15567 TestReplicationShell broken by recent replication changes Minor Replication, shell
HBASE-15324 Jitter may cause desiredMaxFileSize overflow in ConstantSizeRegionSplitPolicy and trigger unexpected split Major .
HBASE-15566 Add timeouts on TestMobFlushSnapshotFromClient and TestRegionMergeTransactionOnCluster Major .
HBASE-15559 BaseMasterAndRegionObserver doesn't implement all the methods Major .
HBASE-15327 Canary will always invoke admin.balancer() in each sniffing period when writeSniffing is enabled Minor canary
HBASE-15295 MutateTableAccess.multiMutate() does not get high priority causing a deadlock Major .
HBASE-15515 Improve LocalityBasedCandidateGenerator in Balancer Minor .
HBASE-14256 Flush task message may be confusing when region is recovered Major regionserver
HBASE-15520 Fix broken TestAsyncIPC Major .
HBASE-15064 BufferUnderflowException after last Cell fetched from an HFile Block served from L2 offheap cache Critical io
HBASE-15325 ResultScanner allowing partial result will miss the rest of the row if the region is moved between two rpc requests Critical dataloss, Scanners
HBASE-15433 SnapshotManager#restoreSnapshot not update table and region count quota correctly when encountering exception Major snapshots
HBASE-15441 Fix WAL splitting when region has moved multiple times Blocker Recovery, wal
HBASE-15430 Failed taking snapshot - Manifest proto-message too large Critical snapshots
HBASE-15463 Region normalizer should check whether split/merge is enabled Minor .
HBASE-15439 getMaximumAllowedTimeBetweenRuns in ScheduledChore ignores the TimeUnit Major master, mob, regionserver
HBASE-15379 Fake cells created in read path not implementing SettableSequenceId Major .
HBASE-15425 Failing to write bulk load event marker in the WAL is ignored Major .
HBASE-15378 Scanner cannot handle heartbeat message with no results Critical dataloss, Scanners
HBASE-15271 Spark Bulk Load: Need to write HFiles to tmp location then rename to protect from Spark Executor Failures Major .
HBASE-15364 Fix unescaped < characters in Javadoc Major API, documentation
HBASE-15137 CallTimeoutException and CallQueueTooBigException should trigger PFFE Major .
HBASE-15393 Enable table replication command will fail when parent znode is not default in peer cluster Major Replication
HBASE-15397 Create bulk load replication znode(hfile-refs) in ZK replication queue by default Major Replication
HBASE-15329 Cross-Site Scripting: Reflected in table.jsp Minor security, UI
HBASE-15128 Disable region splits and merges switch in master Major .
HBASE-15358 canEnforceTimeLimitFromScope should use timeScope instead of sizeScope Major Scanners
HBASE-15332 Document how to take advantage of HDFS-6133 in HBase Major documentation
HBASE-15319 clearJmxCache does not take effect actually Major metrics
HBASE-15247 InclusiveStopFilter does not respect reverse Filter property Major Filters
HBASE-15285 Forward-port respect for isReturnResult from HBASE-15095 Major Client
HBASE-15298 Fix missing or wrong asciidoc anchors in the reference guide Minor documentation
HBASE-15259 WALEdits under replay will also be replicated Minor .
HBASE-15251 During a cluster restart, Hmaster thinks it is a failover by mistake Major master
HBASE-15289 Add details about how to get usage instructions for Import and Export utilities Major documentation
HBASE-13883 Fix Memstore Flush section in HBase book Major documentation
HBASE-15250 Fix links that are currently redirected from old URLs Major documentation, website
HBASE-15279 OrderedBytes.isEncodedValue does not check for int8 and int16 types Major .
HBASE-15276 TestFlushSnapshotFromClient hung Major .
HBASE-15198 RPC client not using Codec and CellBlock for puts by default Critical .
HBASE-15122 Servlets generate XSS_REQUEST_PARAMETER_TO_SERVLET_WRITER findbugs warnings Critical UI
HBASE-15079 TestMultiParallel.validateLoadedData AssertionError: null Major Client, flakey, test
HBASE-13839 Fix AssgnmentManagerTmpl.jamon issues (coloring, content etc.) Major master, UI
HBASE-15252 Data loss when replaying wal if HDFS timeout Blocker wal
HBASE-15221 HTableMultiplexer improvements (stale region locations and resource leaks) Critical Client
HBASE-15253 Small bug in CellUtil.matchingRow(Cell, byte[]) Minor .
HBASE-14192 Fix REST Cluster constructor with String List Minor REST
HBASE-15216 Canary does not accept config params from command line Major canary
HBASE-15231 Make TableState.State private Major API
HBASE-15214 Valid mutate Ops fail with RPC Codec in use and region moves across Critical .
HBASE-14770 RowCounter argument input parse error Minor mapreduce
HBASE-15209 disable table in HBaseTestingUtility.truncateTable Minor .
HBASE-15218 On RS crash and replay of WAL, loosing all Tags in Cells Blocker Recovery, regionserver, security
HBASE-15200 ZooKeeper znode ACL checks should only compare the shortname Minor security
HBASE-15206 Flakey testSplitDaughtersNotInMeta test Minor flakey
HBASE-15196 HBASE-15158 Preamble 2 of 2:Add Increment tests Major .
HBASE-15186 HBASE-15158 Preamble 1 of 2: fix findbugs, add javadoc, change Region#getReadpoint to #getReadPoint, and some util Major .
HBASE-15190 Monkey dies when running on shared cluster (gives up when can't kill the other fellows processes) Major integration tests
HBASE-15195 Don't run findbugs on hbase-it; it has nothing in src/main/java Major findbugs
HBASE-14810 Update Hadoop support description to explain "not tested" vs "not supported" Critical documentation
HBASE-15019 Replication stuck when HDFS is restarted Major Replication, wal
HBASE-15173 Execute mergeRegions RPC call as the request user Minor .
HBASE-15146 Don't block on Reader threads queueing to a scheduler queue Blocker .
HBASE-15145 HBCK and Replication should authenticate to zookepeer using server principal Major .
HBASE-15164 Fix broken links found via LinkLint Major documentation
HBASE-15132 Master region merge RPC should authorize user request Major .
HBASE-13082 Coarsen StoreScanner locks to RegionScanner Major Performance, Scanners
HBASE-15148 Resolve IS2_INCONSISTENT_SYNC findbugs warning in AuthenticationTokenSecretManager Major .
HBASE-15133 Data loss after compaction when a row has more than Integer.MAX_VALUE columns Major Compaction
HBASE-15152 Automatically include prefix-tree module in MR jobs if present Major mapreduce
HBASE-15147 Shell should use Admin.listTableNames() instead of Admin.listTables() Major .
HBASE-15126 HBaseFsck's checkRegionBoundaries function sets incorrect 'storesFirstKey' Major hbck
HBASE-15139 Connection manager doesn't pass client metrics to RpcClient Major Client, metrics
HBASE-15098 Normalizer switch in configuration is not used Blocker master
HBASE-15101 Leaked References to StoreFile.Reader after HBASE-13082 Critical HFile, io
HBASE-15102 HeapMemoryTuner can "overtune" memstore size and suddenly drop it into blocking zone Critical regionserver
HBASE-14771 RpcServer#getRemoteAddress always returns null Minor IPC/RPC
HBASE-14512 Cache UGI groups Major Performance, security
HBASE-15104 Occasional failures due to NotServingRegionException in IT tests Major integration tests
HBASE-15117 Resolve ICAST findbugs warnings in current codes Minor .
HBASE-15085 IllegalStateException was thrown when scanning on bulkloaded HFiles Critical .
HBASE-15083 Gets from Multiactions are not counted in metrics for gets. Major .
HBASE-15052 Use EnvironmentEdgeManager in ReplicationSource Trivial Replication
HBASE-15057 local-master-backup.sh doesn't start HMaster correctly Major shell
HBASE-15065 SimpleRegionNormalizer should return multiple normalization plans in one run Major .
HBASE-14975 Don't color the total RIT line yellow if it's zero Major UI
HBASE-15027 Refactor the way the CompactedHFileDischarger threads are created Major .
HBASE-15070 DistributedHBaseCluster#restoreRegionServers() starts new RS process on master server Minor integration tests
HBASE-14867 SimpleRegionNormalizer needs to have better heuristics to trigger merge operation Major master
HBASE-14987 Compaction marker whose region name doesn't match current region's needs to be handled Major .
HBASE-15063 Bug in MultiByteBuf#toBytes Critical io, Performance
HBASE-15050 Block Ref counting does not work in Region Split cases. Critical .
HBASE-15011 turn off the jdk8 javadoc linter. :( Blocker build, documentation
HBASE-15043 region_status.rb broken with TypeError: no public constructors for Java::OrgApacheHadoopHbaseClient::HBaseAdmin Major scripts
HBASE-15026 The default value of "hbase.regions.slop" in hbase-default.xml is obsolete Minor Balancer
HBASE-15035 bulkloading hfiles with tags that require splits do not preserve tags Blocker HFile
HBASE-15039 HMaster and RegionServers should try to refresh token keys from zk when facing InvalidToken Major .
HBASE-14940 Make our unsafe based ops more safe Major .
HBASE-14717 enable_table_replication command should only create specified table for a peer cluster Major Replication
HBASE-15032 hbase shell scan filter string assumes UTF-8 encoding Major shell
HBASE-15034 IntegrationTestDDLMasterFailover does not clean created namespaces Minor integration tests
HBASE-15030 Deadlock in master TableNamespaceManager while running IntegrationTestDDLMasterFailover Major proc-v2
HBASE-15021 hadoopqa doing false positives Major .
HBASE-15028 Minor fix on RegionGroupingProvider Minor wal
HBASE-14977 ChoreService.shutdown may result in ConcurrentModificationException Minor util
HBASE-15014 Fix filterCellByStore in WALsplitter is awful for performance Critical MTTR, Recovery, wal
HBASE-15001 Thread Safety issues in ReplicationSinkManager and HBaseInterClusterReplicationEndpoint Blocker Replication
HBASE-14654 Reenable TestMultiParallel#testActiveThreadsCount Major test
HBASE-15022 undefined method `getZooKeeperClusterKey' for Java::OrgApacheHadoopHbaseZookeeper::ZKUtil:Class Major shell
HBASE-14991 Fix the feature warning in scala code Minor .
HBASE-15015 Checktyle plugin shouldn't check Jamon-generated Java classes Minor build
HBASE-14822 Renewing leases of scanners doesn't work Major .
HBASE-13907 Document how to deploy a coprocessor Major documentation
HBASE-14990 Tests in BaseTestHBaseFsck are run by its subclasses redundantly Minor test
HBASE-14999 Remove ref to org.mortbay.log.Log Minor dependencies
HBASE-15000 Fix javadoc warn in LoadIncrementalHFiles Trivial .
HBASE-14974 Total number of Regions in Transition number on UI incorrect Trivial UI
HBASE-14952 hbase-assembly source artifact has some incorrect modules Blocker build, dependencies
HBASE-14807 TestWALLockup is flakey Major flakey, test
HBASE-14843 TestWALProcedureStore.testLoad is flakey Blocker proc-v2
HBASE-14838 Clarify that SimpleRegionNormalizer does not merge empty (<1MB) regions Trivial documentation, regionserver
HBASE-13976 release manager list in ref guide is missing 0.94 line Major documentation
HBASE-14968 ConcurrentModificationException in region close resulting in the region staying in closing state Major Region Assignment, regionserver
HBASE-14929 There is a space missing from Table "foo" is not currently available. Trivial .
HBASE-14936 CombinedBlockCache should overwrite CacheStats#rollMetricsPeriod() Major BlockCache
HBASE-14701 Fix flakey Failed tests: TestMobFlushSnapshotFromClient>TestFlushSnapshotFromClient.testSkipFlushTableSnapshot:199 null Major test
HBASE-14953 HBaseInterClusterReplicationEndpoint: Do not retry the whole batch of edits in case of RejectedExecutionException Critical Replication
HBASE-14960 Fallback to using default RPCControllerFactory if class cannot be loaded Major .
HBASE-14769 Remove unused functions and duplicate javadocs from HBaseAdmin Major .
HBASE-14901 There is duplicated code to create/manage encryption keys Minor encryption
HBASE-14941 locate_region shell command Trivial shell
HBASE-14942 Allow turning off BoundedByteBufferPool Major .
HBASE-14954 IllegalArgumentException was thrown when doing online configuration change in CompactSplitThread Major Compaction, regionserver
HBASE-14804 HBase shell's create table command ignores 'NORMALIZATION_ENABLED' attribute Minor shell
HBASE-14917 Log in console if individual tests in test-patch.sh fail or pass Minor .
HBASE-14930 check_compatibility.sh needs smarter exit codes Major .
HBASE-14923 VerifyReplication should not mask the exception during result comparison Minor tooling
HBASE-14922 Delayed flush doesn't work causing flush storms. Major regionserver
HBASE-14926 Hung ThriftServer; no timeout on read from client; if client crashes, worker thread gets stuck reading Major Thrift
HBASE-14928 Start row should be set for query through HBase REST gateway involving globbing option Major REST
HBASE-14907 NPE of MobUtils.hasMobColumns in Build failed in Jenkins: HBase-Trunk_matrix » latest1.8,Hadoop #513 Major mob
HBASE-14904 Mark Base[En|De]coder LimitedPrivate and fix binary compat issue Major .
HBASE-13857 Slow WAL Append count in ServerMetricsTmpl.jamon is hardcoded to zero Major regionserver, UI
HBASE-14905 VerifyReplication does not honour versions option Major tooling
HBASE-14541 TestHFileOutputFormat.testMRIncrementalLoadWithSplit failed due to too many splits and few retries Major HFile, test
HBASE-14462 rolling_restart.sh --master-only throws "line 142: test: 0: unary operator expected" Major .
HBASE-14896 Resolve Javadoc warnings in WALKey and RegionMover Minor .
HBASE-14531 graceful_stop.sh "if [ "$local" ]" condition unexpected behaviour Major scripts
HBASE-14890 Fix javadoc checkstyle errors Major .
HBASE-14894 Fix misspellings of threshold in log4j.properties files for tests Trivial .
HBASE-14523 rolling-restart.sh --graceful will start regionserver process on master node Major scripts
HBASE-14893 Race between mutation on region and region closing operation leads to NotServingRegionException Major .
HBASE-14664 Master failover issue: Backup master is unable to start if active master is killed and started in short time interval Critical master
HBASE-14777 Fix Inter Cluster Replication Future ordering issues Critical Replication
HBASE-14885 NullPointerException in HMaster#normalizeRegions() due to missing TableDescriptor Major master
HBASE-14689 Addendum and unit test for HBASE-13471 Major .
HBASE-14463 Severe performance downgrade when parallel reading a single key from BucketCache Major .
HBASE-14861 HBASE_ZNODE_FILE on master server is overwritten by regionserver process in case of master-rs collocation Major Operability
HBASE-14825 HBase Ref Guide corrections of typos/misspellings Minor documentation
HBASE-14737 Clear cachedMaxVersions when HColumnDescriptor#setValue(VERSIONS, value) is called Major .
HBASE-14799 Commons-collections object deserialization remote command execution vulnerability Critical dependencies, security
HBASE-14840 Sink cluster reports data replication request as success though the data is not replicated Major Replication
HBASE-14712 MasterProcWALs never clean up Blocker proc-v2
HBASE-14761 Deletes with and without visibility expression do not delete the matching mutation Major security
HBASE-14782 FuzzyRowFilter skips valid rows Major Filters
HBASE-14824 HBaseAdmin.mergeRegions should recognize both full region names and encoded region names Minor Admin
HBASE-14815 TestMobExportSnapshot.testExportFailure timeout occasionally Major .
HBASE-14823 HBase Ref Guide Refactoring Major documentation
HBASE-14812 Fix ResultBoundedCompletionService deadlock Major Client, Thrift
HBASE-14793 Allow limiting size of block into L1 block cache. Major BlockCache
HBASE-14806 Missing sources.jar for several modules when building HBase Major pom
HBASE-14809 Grant / revoke Namespace admin permission to group Major security
HBASE-14802 Replaying server crash recovery procedure after a failover causes incorrect handling of deadservers Major master
HBASE-13982 Add info for visibility labels/cell TTLs to ImportTsv Major mapreduce
HBASE-14797 Last round of CSS fix-ups Major website
HBASE-14788 Splitting a region does not support the hbase.rs.evictblocksonclose config when closing source region Major regionserver
HBASE-14778 Make block cache hit percentages not integer in the metrics system Major BlockCache, metrics
HBASE-14784 Port conflict is not resolved in HBaseTestingUtility.randomFreePort() Minor test
HBASE-14787 Remove obsolete ConnectionImplementation.refCount Trivial .
HBASE-14781 Turn per cf flushing on for ITBLL by default Major integration tests
HBASE-14774 Raise the font size on high-DPI small-screen devices like iphone 6+ Major website
HBASE-14767 Remove deprecated functions from HBaseAdmin Major .
HBASE-14759 Avoid using Math.abs when selecting SyncRunner in FSHLog Major wal
HBASE-14632 Region server aborts due to unguarded dereference of Reader Major regionserver
HBASE-14706 RegionLocationFinder should return multiple servernames by top host Major Balancer
HBASE-14755 Fix some broken links and HTML problems Major documentation
HBASE-14773 Fix HBase shell tests are skipped when skipping server tests. Major test
HBASE-14768 bin/graceful_stop.sh logs nothing as a balancer state to be stored Trivial scripts
HBASE-14723 Fix IT tests split too many times Major integration tests
HBASE-14733 Minor typo in alter_namespace.rb Trivial shell
HBASE-14754 TestFastFailWithoutTestUtil failing on trunk now in #testPreemptiveFastFailException50Times Major flakey, test
HBASE-14751 Book seems to be broken Major .
HBASE-14742 TestHeapMemoryManager is flakey Major test
HBASE-14739 Fix broken link to Javadoc that is suppressed because it is generated code Trivial documentation
HBASE-14532 [book] dfs.client.read.shortcircuit is referenced as hbase-site.xml config and not described in section 7 Minor documentation
HBASE-14711 Remove or annotated deprecated methods in HRegionInfo Major hbase
HBASE-14557 MapReduce WALPlayer issue with NoTagsKeyValue Blocker tooling
HBASE-14650 Reenable TestNamespaceAuditor Major .
HBASE-14660 AssertionError found when using offheap BucketCache with assertion enabled Major .
HBASE-14695 Fix some easy HTML warnings Minor documentation
HBASE-14425 In Secure Zookeeper cluster superuser will not have sufficient permission if multiple values are configured in "hbase.superuser" Major security, Zookeeper
HBASE-14674 Rpc handler / task monitoring seems to be broken after 0.98 Major .
HBASE-14705 Javadoc for KeyValue constructor is not correct. Minor .
HBASE-14680 Two configs for snapshot timeout and better defaults Major snapshots
HBASE-14349 pre-commit zombie finder is overly broad Critical build
HBASE-14694 Scan copy constructor doesn't handle allowPartialResults Major Client
HBASE-14257 Periodic flusher only handles hbase:meta, not other system tables Major regionserver
HBASE-14682 CM restore functionality for regionservers is broken Major integration tests
HBASE-14283 Reverse scan doesn’t work with HFile inline index/bloom blocks Major .
HBASE-13318 RpcServer.getListenerAddress should handle when the accept channel is closed Minor .
HBASE-14661 RegionServer link is not opening, in HBase Table page. Minor UI
HBASE-14690 Fix css so there's no left/right scroll bar Major UI
HBASE-14624 BucketCache.freeBlock is too expensive Major BlockCache
HBASE-14676 HBaseTestCase clean out: Purge Incommon Interface and Table and Region implementations Major .
HBASE-14343 Fix debug message in SimpleRegionNormalizer for small regions Trivial regionserver
HBASE-14681 Upgrade Checkstyle plugin to 2.16 Major build
HBASE-14667 HBaseFsck constructors have diverged Minor hbck
HBASE-14658 Allow loading a MonkeyFactory by class name Major integration tests, test
HBASE-14603 Lots of work on the POM to enhance Javadocs, Xrefs Major documentation
HBASE-14326 HBase book: fix definition of max min size to compact Major documentation
HBASE-14663 HStore::close does not honor config hbase.rs.evictblocksonclose Minor BlockCache, regionserver
HBASE-14427 Fix 'should' assertions in TestFastFail Minor test
HBASE-14633 Try fluid width UI Major UI
HBASE-14366 NPE in case visibility expression is not present in labels table during importtsv run Minor .
HBASE-14604 Improve MoveCostFunction in StochasticLoadBalancer Major Balancer
HBASE-14606 TestSecureLoadIncrementalHFiles tests timed out in trunk build on apache Major test
HBASE-12558 Disable TestHCM.testClusterStatus Unexpected exception, expected<org.apache.hadoop.hbase.regionserver.RegionServerStoppedException> but was<junit.framework.AssertionFailedError> Major test
HBASE-14458 AsyncRpcClient#createRpcChannel() should check and remove dead channel before creating new one to same server Critical IPC/RPC
HBASE-14634 Disable flakey TestSnapshotCloneIndependence.testOnlineSnapshotDeleteIndependent Major test
HBASE-14621 ReplicationLogCleaner gets stuck when a regionserver crashes Critical Replication
HBASE-14625 Chaos Monkey should shut down faster Major integration tests, test
HBASE-14597 Fix Groups cache in multi-threaded env Major .
HBASE-14474 DeadLock in RpcClientImpl.Connection.close() Blocker IPC/RPC
HBASE-14594 Use new DNS API introduced in HADOOP-12437 Major util
HBASE-14521 Unify the semantic of hbase.client.retries.number Major .
HBASE-14608 testWalRollOnLowReplication has some risk to assert failed after HBASE-14600 Major test
HBASE-14598 ByteBufferOutputStream grows its HeapByteBuffer beyond JVM limitations Major Client, io
HBASE-14591 Region with reference hfile may split after a forced split in IncreasingToUpperBoundRegionSplitPolicy Critical regionserver
HBASE-14599 Modify site config to use protocol-relative URLs for CSS/JS Blocker documentation
HBASE-14501 NPE in replication when HDFS transparent encryption is enabled. Critical Replication, security
HBASE-14211 Add more rigorous integration tests of splits Major integration tests, test
HBASE-14592 BatchRestartRsAction always restarts 0 RS when running SlowDeterministicMonkey Major integration tests
HBASE-14577 HBase shell help for scan and returning a column family has a typo Trivial shell
HBASE-14578 URISyntaxException during snapshot restore for table with user defined namespace Major snapshots
HBASE-14581 Znode cleanup throws auth exception in secure mode Major security, Zookeeper
HBASE-13858 RS/MasterDumpServlet dumps threads before its “Stacks” header Trivial master, regionserver, UI
HBASE-14525 Append and increment operation throws NullPointerException on non-existing column families. Minor shell
HBASE-14497 Reverse Scan threw StackOverflow caused by readPt checking Major .
HBASE-14346 Typo in FamilyFilter Trivial documentation
HBASE-12983 HBase book mentions hadoop.ssl.enabled when it should be hbase.ssl.enabled Major documentation
HBASE-12615 Document GC conserving guidelines for contributors Major documentation
HBASE-14555 Deadlock in MVCC branch-1.2 toString() Critical regionserver
HBASE-14347 Add a switch to DynamicClassLoader to disable it Major Client, defaults, regionserver
HBASE-14544 Allow HConnectionImpl to not refresh the dns on errors Major Client
HBASE-14367 Add normalization support to shell Major Balancer, shell
HBASE-14545 TestMasterFailover often times out Major test
HBASE-14499 Master coprocessors shutdown will not happen on master abort Major master
HBASE-13770 Programmatic JAAS configuration option for secure zookeeper may be broken Major Operability, security
HBASE-14292 Call Me Maybe HBase links haved moved Minor documentation
HBASE-13744 TestCorruptedRegionStoreFile is flaky Major test
HBASE-13143 TestCacheOnWrite is flaky and needs a diet Critical test
HBASE-14475 Region split requests are always audited with "hbase" user rather than request user Major regionserver, security
HBASE-14494 Wrong usage messages on shell commands Minor shell
HBASE-14518 Give TestScanEarlyTermination the same treatment as 'HBASE-14378 Get TestAccessController* passing again...' -- up priority handlers Major test
HBASE-14394 Properly close the connection after reading records from table. Minor mapreduce
HBASE-14510 Can not set coprocessor from Shell after HBASE-14224 Major Coprocessors, shell
HBASE-14362 org.apache.hadoop.hbase.master.procedure.TestWALProcedureStoreOnHDFS is super duper flaky Critical test
HBASE-14473 Compute region locality in parallel Major Balancer
HBASE-14437 ArithmeticException in ReplicationInterClusterEndpoint Minor Replication
HBASE-14500 Remove load of deprecated MOB ruby scripts after HBASE-14227 Major shell
HBASE-14489 postScannerFilterRow consumes a lot of CPU Major Coprocessors, Performance
HBASE-14370 Use separate thread for calling ZKPermissionWatcher#refreshNodes() Major .
HBASE-14492 Increase REST server header buffer size from 8k to 64k Major REST
HBASE-14471 Thrift - HTTP Error 413 full HEAD if using kerberos authentication Major Thrift
HBASE-14469 Fix some comment, validation and logging around memstore lower limit configuration Minor .
HBASE-14486 Disable TestRegionPlacement, a flakey test for an unfinished feature Major test
HBASE-13324 o.a.h.h.Coprocessor should be LimitedPrivate("Coprocessor") Minor API
HBASE-14445 ExportSnapshot does not honor -chmod option Major snapshots
HBASE-14338 License notification misspells 'Asciidoctor' Minor .
HBASE-14280 Bulk Upload from HA cluster to remote HA hbase cluster fails Minor hadoop2, regionserver
HBASE-14431 AsyncRpcClient#removeConnection() never removes connection from connections pool if server fails Critical IPC/RPC
HBASE-14449 Rewrite deadlock prevention for concurrent connection close Major master, metrics
HBASE-13250 chown of ExportSnapshot does not cover all path and files Critical snapshots
HBASE-14411 Fix unit test failures when using multiwal as default WAL provider Major .
HBASE-14429 Checkstyle report is broken Minor scripts
HBASE-14400 Fix HBase RPC protection documentation Critical encryption, IPC/RPC, security
HBASE-14145 Allow the Canary in regionserver mode to try all regions on the server, not just one Major canary, util
HBASE-14380 Correct data gets skipped along with bad data in importTsv bulk load thru TsvImporterTextMapper Major mapreduce, tooling
HBASE-14307 Incorrect use of positional read api in HFileBlock Major io
HBASE-14392 [tests] TestLogRollingNoCluster fails on master from time to time Major test
HBASE-14382 TestInterfaceAudienceAnnotations should hadoop-compt module resources Minor test
HBASE-14385 Close the sockets that is missing in connection closure. Minor Client
HBASE-14393 Have TestHFileEncryption clean up after itself so it don't go all zombie on us Major test
HBASE-14384 Trying to run canary locally with -regionserver option causes exception Major canary
HBASE-14317 Stuck FSHLog: bad disk (HDFS-8960) and can't roll WAL Blocker wal
HBASE-14327 TestIOFencing#testFencingAroundCompactionAfterWALSync is flaky Critical test
HBASE-14359 HTable#close will hang forever if unchecked error/exception thrown in AsyncProcess#sendMultiAction Major Client
HBASE-14229 Flushing canceled by coprocessor still leads to memstoreSize set down Major regionserver
HBASE-14337 build error on master Major .
HBASE-14354 Minor improvements for usage of the mlock agent Trivial hbase, regionserver
HBASE-13221 HDFS Transparent Encryption breaks WAL writing in Hadoop 2.6.0 Critical documentation, wal
HBASE-14258 Make region_mover.rb script case insensitive with regard to hostname Minor .
HBASE-14315 Save one call to KeyValueHeap.peek per row Major .
HBASE-14313 After a Connection sees ConnectionClosingException it never recovers Critical Client
HBASE-13339 Update default Hadoop version to latest for master Blocker build
HBASE-14269 FuzzyRowFilter omits certain rows when multiple fuzzy keys exist Major Filters
HBASE-14302 TableSnapshotInputFormat should not create back references when restoring snapshot Major .
HBASE-14224 Fix coprocessor handling of duplicate classes Critical Coprocessors
HBASE-13480 ShortCircuitConnection doesn't short-circuit all calls as expected Critical Client
HBASE-14273 Rename MVCC to MVCC: From MultiVersionConsistencyControl to MultiVersionConcurrencyControl Major regionserver
HBASE-14291 NPE On StochasticLoadBalancer Balance Involving RS With No Regions Minor Balancer
HBASE-14250 branch-1.1 hbase-server test-jar has incorrect LICENSE Blocker build
HBASE-14251 javadoc jars use LICENSE/NOTICE from primary artifact Blocker build
HBASE-14249 shaded jar modules create spurious source and test jars with incorrect LICENSE/NOTICE info Major build
HBASE-14243 Incorrect NOTICE file in hbase-it test-jar Blocker build
HBASE-14234 Procedure-V2: Exception encountered in WALProcedureStore#rollWriter() should be properly handled Minor proc-v2
HBASE-14241 Fix deadlock during cluster shutdown due to concurrent connection close Critical master, metrics
HBASE-14228 Close BufferedMutator and connection in MultiTableOutputFormat Minor mapreduce
HBASE-14166 Per-Region metrics can be stale Major metrics
HBASE-10844 Coprocessor failure during batchmutation leaves the memstore datastructs in an inconsistent state Major regionserver
HBASE-13966 Limit column width in table.jsp Minor Operability, UI
HBASE-14219 src tgz no longer builds after HBASE-14085 Blocker build
HBASE-14214 list_labels shouldn't raise ArgumentError if no labels are defined Minor .
HBASE-14054 Acknowledged writes may get lost if regionserver clock is set backwards Major regionserver
HBASE-14098 Allow dropping caches behind compactions Major Compaction, hadoop2, HFile
HBASE-14196 Thrift server idle connection timeout issue Major Thrift
HBASE-14209 TestShell visibility tests failing Major security, shell
HBASE-14201 hbck should not take a lock unless fixing errors Major hbck, util
HBASE-13889 Fix hbase-shaded-client artifact so it works on hbase-downstreamer Critical Client
HBASE-14208 Remove yarn dependencies on -common and -client Major build, Client
HBASE-14206 MultiRowRangeFilter returns records whose rowKeys are out of allowed ranges Critical Filters
HBASE-13062 Add documentation coverage for configuring dns server with thrift and rest gateways Minor documentation
HBASE-5878 Use getVisibleLength public api from HdfsDataInputStream from Hadoop-2. Major wal
HBASE-14092 hbck should run without locks by default and only disable the balancer when necessary Major hbck, util
HBASE-13924 Description for hbase.dynamic.jars.dir is wrong Major .
HBASE-12865 WALs may be deleted before they are replicated to peers Critical Replication
HBASE-13825 Use ProtobufUtil#mergeFrom and ProtobufUtil#mergeDelimitedFrom in place of builder methods of same name Major util
HBASE-13865 Increase the default value for hbase.hregion.memstore.block.multipler from 2 to 4 (part 2) Trivial regionserver
HBASE-14178 regionserver blocks because of waiting for offsetLock Major regionserver
HBASE-14183 [Shell] Scanning hbase meta table is failing in master branch Major shell
HBASE-14021 Quota table has a wrong description on the UI Minor UI
HBASE-14185 Incorrect region names logged by MemStoreFlusher Minor regionserver
HBASE-13864 HColumnDescriptor should parse the output from master and from describe for TTL Major shell
HBASE-14162 Fixing maven target for regenerating thrift classes fails against 0.9.2 Blocker build, Thrift
HBASE-14168 Avoid useless retry for DoNotRetryIOException in TableRecordReaderImpl Minor mapreduce
HBASE-14173 includeMVCCReadpoint parameter in DefaultCompactor#createTmpWriter() represents no-op Major .
HBASE-14155 StackOverflowError in reverse scan Critical regionserver, Scanners
HBASE-14153 Typo in ProcedureManagerHost.MASTER_PROCEUDRE_CONF_KEY Trivial .
HBASE-14157 Interfaces implemented by subclasses should be checked when registering CoprocessorService Major Coprocessors
HBASE-14024 ImportTsv is not loading hbase-default.xml Critical mapreduce
HBASE-14156 Fix test failure in TestOpenTableInCoprocessor Major .
HBASE-14146 Once replication sees an error it slows down forever Major Replication
HBASE-14115 Fix resource leak in HMasterCommandLine Major master, tooling
HBASE-14119 Show meaningful error messages instead of stack traces in hbase shell commands. Fixing few commands in this jira. Minor .
HBASE-14065 ref guide section on release candidate generation refers to old doc files Major documentation
HBASE-14000 Region server failed to report to Master and was stuck in reportForDuty retry loop Major regionserver
HBASE-14106 TestProcedureRecovery is flaky Major proc-v2, test
HBASE-14076 ResultSerialization and MutationSerialization can throw InvalidProtocolBufferException when serializing a cell larger than 64MB Major .
HBASE-13971 Flushes stuck since 6 hours on a regionserver. Critical regionserver
HBASE-14050 NPE in org.apache.hadoop.hbase.ipc.RpcServer$Connection.readAndProcess Minor .
HBASE-14100 Fix high priority findbugs warnings Major regionserver
HBASE-14089 Remove unnecessary draw of system entropy from RecoverableZooKeeper Minor .
HBASE-14094 Procedure.proto can't be compiled to C++ Major proc-v2, Protobufs
HBASE-14077 Add package to hbase-protocol protobuf files. Major Protobufs
HBASE-14041 Client MetaCache is cleared if a ThrottlingException is thrown Minor Client
HBASE-13897 OOM may occur when Import imports a row with too many KeyValues Major .
HBASE-14073 TestRemoteTable.testDelete failed in the latest trunk code Major REST
HBASE-13997 ScannerCallableWithReplicas cause Infinitely blocking Minor Client
HBASE-14029 getting started for standalone still references hadoop-version-specific binary artifacts Major documentation
HBASE-14042 Fix FATAL level logging in FSHLog where logged for non fatal exceptions Major Operability, wal
HBASE-13337 Table regions are not assigning back, after restarting all regionservers at once. Blocker Region Assignment
HBASE-13561 ITBLL.Verify doesn't actually evaluate counters after job completes Major integration tests
HBASE-13988 Add exception handler for lease thread Minor .
HBASE-13352 Add hbase.import.version to Import usage. Major .
HBASE-14012 Double Assignment and Dataloss when ServerCrashProcedure runs during Master failover Blocker master, Region Assignment
HBASE-13329 ArrayIndexOutOfBoundsException in CellComparator#getMinimumMidpointArray Critical regionserver
HBASE-14011 MultiByteBuffer position based reads does not work correctly Major .
HBASE-13861 BucketCacheTmpl.jamon has wrong bucket free and used labels Major regionserver, UI
HBASE-14010 TestRegionRebalancing.testRebalanceOnRegionServerNumberChange fails; cluster not balanced Major test
HBASE-14005 Set permission to .top hfile in LoadIncrementalHFiles Trivial .
HBASE-13970 NPE during compaction in trunk Major regionserver
HBASE-13895 DATALOSS: Region assigned before WAL replay when abort Critical Recovery, Region Assignment, wal
HBASE-13978 Variable never assigned in SimpleTotalOrderPartitioner.getPartition() Major mapreduce
HBASE-13995 ServerName is not fully case insensitive Major Region Assignment
HBASE-13959 Region splitting uses a single thread in most common cases Critical regionserver
HBASE-13989 Threshold for combined MemStore and BlockCache percentages is not checked Major regionserver
HBASE-13930 Exclude Findbugs packages from shaded jars Major build, Client
HBASE-13863 Multi-wal feature breaks reported number and size of HLogs Major regionserver, UI
HBASE-13974 TestRateLimiter#testFixedIntervalResourceAvailability may fail Minor test
HBASE-13969 AuthenticationTokenSecretManager is never stopped in RPCServer Minor .
HBASE-13923 Loaded region coprocessors are not reported in shell status command Major regionserver, shell
HBASE-13893 Replace HTable with Table in client tests Major Client, test
HBASE-13835 KeyValueHeap.current might be in heap when exception happens in pollRealKV Major Scanners
HBASE-13945 Prefix_Tree seekBefore() does not work correctly Major io
HBASE-13958 RESTApiClusterManager calls kill() instead of suspend() and resume() Minor integration tests
HBASE-13938 Deletes done during the region merge transaction may get eclipsed Major master, regionserver
HBASE-13933 DBE's seekBefore with tags corrupts the tag's offset information thus leading to incorrect results Critical io
HBASE-13877 Interrupt to flush from TableFlushProcedure causes dataloss in ITBLL Blocker integration tests, proc-v2
HBASE-13918 Fix hbase:namespace description in webUI Trivial hbase
HBASE-13885 ZK watches leaks during snapshots Critical snapshots
HBASE-13737 [HBase MOB] MOBTable cloned from a snapshot leads to data loss, when that actual snapshot and main table is deleted. Critical mob
HBASE-13913 RAT exclusion list missing asciidoctor support files Major .
HBASE-13279 Add src/main/asciidoc/asciidoctor.css to RAT exclusion list in POM Minor documentation
HBASE-13821 WARN if hbase.bucketcache.percentage.in.combinedcache is set Minor regionserver, Usability
HBASE-13888 Fix refill bug from HBASE-13686 Major regionserver
HBASE-13905 TestRecoveredEdits.testReplayWorksThoughLotsOfFlushing failing consistently on branch-1.1 Critical regionserver, test
HBASE-13833 LoadIncrementalHFile.doBulkLoad(Path,HTable) doesn't handle unmanaged connections when using SecureBulkLoad Major tooling
HBASE-13901 Error while calling watcher on creating and deleting an HBase table Minor .
HBASE-13892 Scanner with all results filtered out results in NPE Critical Client
HBASE-13560 Large compaction queue should steal from small compaction queue when idle Major Compaction
HBASE-13878 Set hbase.fs.tmp.dir config in HBaseTestingUtility.java for Phoenix UT to use Minor test
HBASE-13873 LoadTestTool addAuthInfoToConf throws UnsupportedOperationException Major integration tests
HBASE-13875 Clock skew between master and region server may render restored region without server address Major snapshots
HBASE-13845 Expire of one region server carrying meta can bring down the master Major master
HBASE-13847 getWriteRequestCount function in HRegionServer uses int variable to return the count. Major hbase, regionserver
HBASE-13811 Splitting WALs, we are filtering out too many edits -> DATALOSS Critical wal
HBASE-13853 ITBLL improvements after HBASE-13811 Blocker integration tests, tooling, wal
HBASE-13686 Fail to limit rate in RateLimiter Major Client
HBASE-13851 RpcClientImpl.close() can hang with cancelled replica RPCs Major IPC/RPC
HBASE-13834 Evict count not properly passed to HeapMemoryTuner. Major hbase, regionserver
HBASE-13729 Old hbase.regionserver.global.memstore.upperLimit and lowerLimit properties are ignored if present Critical regionserver
HBASE-13789 ForeignException should not be sent to the client Minor Client, master
HBASE-13779 Calling table.exists() before table.get() end up with an empty Result Major Client
HBASE-13831 TestHBaseFsck#testParallelHbck is flaky against hadoop 2.6+ Minor hbck, test
HBASE-13826 Unable to create table when group acls are appropriately set. Major security
HBASE-13824 TestGenerateDelegationToken: Master fails to start in Windows environment Minor test
HBASE-13647 Default value for hbase.client.operation.timeout is too high Blocker Client
HBASE-13820 Zookeeper is failing to start Critical .
HBASE-13638 Put copy constructor is shallow Major Client
HBASE-13809 TestRowTooBig should use HDFS directory for its region directory Minor test
HBASE-13812 Deleting of last Column Family of a table should not be allowed Major master
HBASE-13813 Fix Javadoc warnings in Procedure.java Minor documentation
HBASE-13776 Setting illegal versions for HColumnDescriptor does not throw IllegalArgumentException Major API
HBASE-13802 Procedure V2: Master fails to come up due to rollback of create namespace table Major master, proc-v2
HBASE-13796 ZKUtil doesn't clean quorum setting properly Minor .
HBASE-13800 TestStore#testDeleteExpiredStoreFiles should create unique data/log directory for each call Minor test
HBASE-13797 Fix resource leak in HBaseFsck Minor .
HBASE-13801 Hadoop src checksum is shown instead of HBase src checksum in master / RS UI Major UI
HBASE-13723 In table.rb scanners are never closed. Major shell
HBASE-13777 Table fragmentation display triggers NPE on master status page Major UI
HBASE-13778 BoundedByteBufferPool incorrectly increasing runningAverage buffer length Major io, util
HBASE-13732 TestHBaseFsck#testParallelWithRetriesHbck fails intermittently Minor hbck, test
HBASE-13768 ZooKeeper znodes are bootstrapped with insecure ACLs in a secure configuration Blocker security, Zookeeper
HBASE-13767 Allow ZKAclReset to set and not just clear ZK ACLs Trivial Operability, Zookeeper
HBASE-13746 list_replicated_tables command is not listing table in hbase shell. Major shell
HBASE-13760 Cleanup Findbugs keySet iterator warnings Minor .
HBASE-13734 Improper timestamp checking with VisibilityScanDeleteTracker Major security
HBASE-13604 bin/hbase mapredcp does not include yammer-metrics jar Minor .
HBASE-13703 ReplicateContext should not be a member of ReplicationSource Minor .
HBASE-13733 Failed MiniZooKeeperCluster startup did not shutdown ZK servers Major Zookeeper
HBASE-13741 Disable TestRegionObserverInterface#testRecovery and testLegacyRecovery Minor .
HBASE-13731 TestReplicationAdmin should clean up MiniZKCluster resource Trivial test
HBASE-13709 Updates to meta table server columns may be eclipsed Major IPC/RPC, regionserver
HBASE-13721 Improve shell scan performances when using LIMIT Major shell
HBASE-13700 Allow Thrift2 HSHA server to have configurable threads Major Thrift
HBASE-13719 Asynchronous scanner -- cache size-in-bytes bug fix Major .
HBASE-13618 ReplicationSource is too eager to remove sinks Minor .
HBASE-13711 Provide an API to set min and max versions in HColumnDescriptor Minor .
HBASE-13722 Avoid non static method from BloomFilterUtil Trivial .
HBASE-13704 Hbase throws OutOfOrderScannerNextException when MultiRowRangeFilter is used Major Client
HBASE-13717 TestBoundedRegionGroupingProvider#setMembershipDedups need to set HDFS diretory for WAL Minor wal
HBASE-13693 [HBase MOB] Mob files are not encrypting. Major mob
HBASE-13694 CallQueueSize is incorrectly decremented until the response is sent Major IPC/RPC, master, regionserver
HBASE-13668 TestFlushRegionEntry is flaky Minor .
HBASE-13699 Expand information about HBase quotas Major documentation
HBASE-13651 Handle StoreFileScanner FileNotFoundException Minor .
HBASE-11830 TestReplicationThrottler.testThrottling failed on virtual boxes Minor test
HBASE-13663 HMaster fails to restart 'HMaster: Failed to become active master' Major hbase
HBASE-13217 Procedure fails due to ZK issue Major .
HBASE-13662 RSRpcService.scan() throws an OutOfOrderScannerNext if the scan has a retriable failure Major IPC/RPC, regionserver
HBASE-13533 section on configuring ~/.m2/settings.xml has no anchor Trivial documentation
HBASE-13661 Correct binary compatibility issues discovered in 1.1.0RC0 Major .
HBASE-13606 AssignmentManager.assign() is not sync in both path Major Region Assignment
HBASE-13635 Regions stuck in transition because master is incorrectly assumed dead Major master, regionserver
HBASE-13634 Avoid unsafe reference equality checks to EMPTY byte[] Major Compaction, Scanners
HBASE-1989 Admin (et al.) not accurate with Column vs. Column-Family usage Minor Client
HBASE-13580 region_mover.rb broken with TypeError: no public constructors for Java::OrgApacheHadoopHbaseClient::HTable Major scripts
HBASE-13611 update clover to work for current versions Minor build
HBASE-13653 Uninitialized HRegionServer#walFactory may result in NullPointerException at region server startup​ Major hbase
HBASE-13612 TestRegionFavoredNodes doesn't guard against setup failure Minor test
HBASE-13649 CellComparator.compareTimestamps javadoc inconsistent and wrong Minor documentation
HBASE-13648 test-patch.sh should ignore 'protobuf.generated' Minor build
HBASE-13630 Remove dead code in BufferedDataEncoder Minor .
HBASE-13576 HBCK enhancement: Failure in checking one region should not fail the entire HBCK operation. Major hbck
HBASE-13625 Use HDFS for HFileOutputFormat2 partitioner's path Major mapreduce
HBASE-13633 draining_servers.rb broken with NoMethodError: undefined method 'getServerInfo' Major scripts
HBASE-13628 Use AtomicLong as size in BoundedConcurrentLinkedQueue Major util
HBASE-13617 TestReplicaWithCluster.testChangeTable timeout Major test
HBASE-13599 The Example Provided in Section 69: Examples of the Documentation Does Not Compile Minor documentation
HBASE-13333 Renew Scanner Lease without advancing the RegionScanner Major .
HBASE-13607 TestSplitLogManager.testGetPreviousRecoveryMode consistently failing Minor test
HBASE-12413 Mismatch in the equals and hashcode methods of KeyValue Minor .
HBASE-13312 SmallScannerCallable does not increment scan metrics Major Client, Scanners
HBASE-13608 413 Error with Stargate through Knox, using AD, SPNEGO, and Pre-Auth Major REST
HBASE-13601 Connection leak during log splitting Major wal
HBASE-13600 check_compatibility.sh should ignore shaded jars Minor build
HBASE-13595 Fix Javadoc warn induced in Bytes.java Trivial .
HBASE-13564 Master MBeans are not published Major master, metrics
HBASE-13596 src assembly does not build Major build
HBASE-13594 MultiRowRangeFilter shouldn't call HBaseZeroCopyByteString.wrap() directly Major .
HBASE-13577 Documentation is pointing to wrong port for Master Web UI Minor documentation
HBASE-13585 HRegionFileSystem#splitStoreFile() finishes without closing the file handle in some situation Major regionserver
HBASE-13589 [WINDOWS] hbase.cmd script is broken Major .
HBASE-13417 batchCoprocessorService() does not handle NULL keys Minor Coprocessors
HBASE-13517 Publish a client artifact with shaded dependencies Major .
HBASE-13575 TestChoreService has to make sure that the opened ChoreService is closed for each unit test Trivial .
HBASE-13394 Failed to recreate a table when quota is enabled Major security
HBASE-13490 foreground daemon start re-executes ulimit output Minor scripts
HBASE-13359 Update ACL matrix to include table owner. Minor documentation
HBASE-13149 HBase MR is broken on Hadoop 2.5+ Yarn Blocker .
HBASE-13546 NPE on region server status page if all masters are down Major regionserver
HBASE-13555 StackServlet produces 500 error Major .
HBASE-13523 API Doumentation formatting is broken Minor documentation
HBASE-13528 A bug on selecting compaction pool Minor Compaction
HBASE-13526 TestRegionServerReportForDuty can be flaky: hang or timeout Minor test
HBASE-13527 The default value for hbase.client.scanner.max.result.size is never actually set on Scans Major .
HBASE-13437 ThriftServer leaks ZooKeeper connections Major Thrift
HBASE-13524 TestReplicationAdmin fails on JDK 1.8 Major .
HBASE-13499 AsyncRpcClient test cases failure in powerpc Major IPC/RPC
HBASE-13471 Fix a possible infinite loop in doMiniBatchMutation Major .
HBASE-13520 NullPointerException in TagRewriteCell Major .
HBASE-13482 Phoenix is failing to scan tables on secure environments. Major .
HBASE-13430 HFiles that are in use by a table cloned from a snapshot may be deleted when that snapshot is deleted Critical hbase
HBASE-13491 Issue in FuzzyRowFilter#getNextForFuzzyRule Major Filters
HBASE-13477 Create metrics on failed requests Major .
HBASE-13486 region_status.rb broken with NameError: uninitialized constant IOException Major scripts
HBASE-13473 deleted cells come back alive after the stripe compaction Blocker Compaction
HBASE-12006 [JDK 8] KeyStoreTestUtil#generateCertificate fails due to "subject class type invalid" Minor .
HBASE-13460 Revise the MetaLookupPool executor-related defaults (introduced in HBASE-13036) Major .
HBASE-13475 Small spelling mistake in region_mover#isSuccessfulScan causes NoMethodError Trivial scripts
HBASE-13301 Possible memory leak in BucketCache Major BlockCache
HBASE-13457 SnapshotExistsException doesn't honor the DoNotRetry Trivial Client
HBASE-13423 Remove duplicate entry for hbase.regionserver.regionSplitLimit in hbase-default.xml Minor hbase
HBASE-13275 Setting hbase.security.authorization to false does not disable authorization Major security
HBASE-11544 [Ergonomics] hbase.client.scanner.caching is dogged and will try to return batch even if it means OOME Critical .
HBASE-13414 TestHCM no longer needs to test for JRE 6. Minor test
HBASE-13377 Canary may generate false alarm on the first region when there are many delete markers Major monitoring
HBASE-13289 typo in splitSuccessCount metric Major metrics
HBASE-13299 Add setReturnResults() to Increment, like Append has Critical API
HBASE-13410 Bug in KeyValueUtil.oswrite() for non Keyvalue cases Major .
HBASE-13411 Misleading error message when request size quota limit exceeds Minor .
HBASE-13409 Add categories to uncategorized tests Trivial .
HBASE-13374 Small scanners (with particular configurations) do not return all rows Blocker .
HBASE-13406 TestAccessController is flaky when create is slow Minor security, test
HBASE-13397 Purge duplicate rpc request thread local Major IPC/RPC
HBASE-13382 IntegrationTestBigLinkedList should use SecureRandom Major integration tests
HBASE-13385 TestGenerateDelegationToken is broken with hadoop 2.8.0 Major test
HBASE-13388 Handling NullPointer in ZKProcedureMemberRpcs while getting ZNode data Minor .
HBASE-13058 Hbase shell command 'scan' for non existent table shows unnecessary info for one unrelated existent table. Trivial Client
HBASE-13091 Split ZK Quorum on Master WebUI Minor .
HBASE-13384 Fix Javadoc warnings introduced by HBASE-12972 Trivial .
HBASE-13368 Hash.java is declared as public Interface - but it should be Private Trivial .
HBASE-13383 TestRegionServerObserver.testCoprocessorHooksInRegionsMerge zombie after HBASE-12975 Major .
HBASE-13296 Fix the deletion of acl notify nodes for namespace. Minor .
HBASE-12954 Ability impaired using HBase on multihomed hosts Minor .
HBASE-13317 Region server reportForDuty stuck looping if there is a master change Major regionserver
HBASE-13371 Fix typo in TestAsyncIPC Major test
HBASE-13364 Make using the default javac on by default Major build
HBASE-12993 Use HBase 1.0 interfaces in hbase-thrift Major .
HBASE-13262 ResultScanner doesn't return all rows in Scan Blocker Client
HBASE-13357 If maxTables/maxRegions exceeds quota in a namespace, throw QuotaExceededException Minor .
HBASE-13355 QA bot reports checking javac twice Minor .
HBASE-13328 LoadIncrementalHFile.doBulkLoad(Path,HTable) should handle managed connections Major .
HBASE-13295 TestInfoServers hang Major test
HBASE-8725 Add total time RPC call metrics Major metrics
HBASE-13265 Make thrift2 usable from c++ Major .
HBASE-13326 Disabled table can't be enabled after HBase is restarted Blocker .
HBASE-13325 Protocol Buffers 2.5 no longer available for download on code.google.com Major .
HBASE-13294 Fix the critical ancient loopholes in security testing infrastructure. Major .
HBASE-13311 TestQuotaThrottle flaky on slow machine Minor test
HBASE-13305 Get(Get get) is not copying the row key Major API
HBASE-13331 Exceptions from DFS client can cause CatalogJanitor to delete referenced files Blocker master
HBASE-13273 Make Result.EMPTY_RESULT read-only; currently it can be modified Major .
HBASE-13321 Fix flaky TestHBaseFsck Minor test
HBASE-13314 Fix NPE in HMaster.getClusterStatus() Minor .
HBASE-13281 'hbase.bucketcache.size' description in hbase book is not correct Major documentation
HBASE-13315 BufferedMutator should be @InterfaceAudience.Public Major .
HBASE-13309 Some tests do not reset EnvironmentEdgeManager Minor test
HBASE-13308 Fix flaky TestEndToEndSplitTransaction Major flakey, test
HBASE-13282 Fix the minor issues of running Canary on kerberized environment Minor .
HBASE-12867 Shell does not support custom replication endpoint specification Major .
HBASE-13274 Fix misplaced deprecation in Delete#addXYZ Major API
HBASE-13114 [UNITTEST] TestEnableTableHandler.testDeleteForSureClearsAllTableRowsFromMeta Major test
HBASE-13285 Fix flaky getRegions() in TestAccessController.setUp() Minor test
HBASE-13188 java.lang.ArithmeticException issue in BoundedByteBufferPool.putBuffer Major .
HBASE-13200 Improper configuration can leads to endless lease recovery during failover Major MTTR
HBASE-13253 LoadIncrementalHFiles unify hfiles discovery Major Client, mapreduce
HBASE-13229 Specify bash for local-regionservers.sh and local-master-backup.sh Minor scripts
HBASE-13176 Flakey TestZooKeeper test. Major .
HBASE-13093 Local mode HBase instance doesn't shut down. Major .
HBASE-12908 Typos in MemStoreFlusher javadocs Trivial documentation
HBASE-13254 EnableTableHandler#prepare would not throw TableNotFoundException during recovery Minor .
HBASE-13193 RegionScannerImpl filters should not be reset if a partial Result is returned Major .
HBASE-13246 Correct the assertion for namespace permissions in tearDown method of TestAccessController Minor security, test
HBASE-13239 HBase grant at specific column level does not work for Groups Major hbase
HBASE-13242 TestPerColumnFamilyFlush.testFlushingWhenLogRolling hung Major test
HBASE-13227 LoadIncrementalHFile should skip non-files inside a possible family-dir Minor Client, mapreduce
HBASE-13232 ConnectionManger : Batch pool threads and metaLookup pool threads should use different name pattern Trivial .
HBASE-13097 Use same EventLoopGroup for different AsyncRpcClients if possible Major IPC/RPC, test
HBASE-13136 TestSplitLogManager.testGetPreviousRecoveryMode is flakey Major .
HBASE-13224 Minor formatting issue when logging a namespace scope in AuthResult#toContextString Trivial Coprocessors, security
HBASE-13194 TableNamespaceManager not ready cause MasterQuotaManager initialization fail Major master
HBASE-13218 Correct the syntax shown for using ExportSnapshot tool in the book Minor documentation
HBASE-13167 The check for balancerCutoffTime is buggy Trivial Balancer
HBASE-13192 IntegrationTestBulkLoad doesn't wait for table modification sometimes leading to spurious test failures Major .
HBASE-13191 mvn site fails on jenkins due to permgen Major .
HBASE-13208 Patch build should match the patch filename and not the whole relative URL in findBranchNameFromPatchName Trivial .
HBASE-13206 Fix TableLock tableName log format Trivial .
HBASE-13165 Fix docs and scripts for default max heaps size after HBASE-11804 Minor documentation, scripts
HBASE-13174 Apply HBASE-11804 to Windows scripts Major scripts
HBASE-13196 Add info about default number of versions when using the export tool Major documentation
HBASE-13181 TestHRegionReplayEvents.testReplayBulkLoadEvent fails frequently. Minor .
HBASE-13186 HBase build error due to checkstyle Major build
HBASE-12931 The existing KeyValues in memstore are not removed completely after inserting cell into memStore Minor .
HBASE-12723 Update ACL matrix to reflect reality Major .
HBASE-13023 Document multiWAL Major documentation, wal
HBASE-12468 AUTHORIZATIONS should be part of Visibility Label Docs Major documentation
HBASE-13135 Move replication ops mgmt stuff from Javadoc to Ref Guide Major documentation, Replication
HBASE-12969 Parameter Validation is not there for shell script, local-master-backup.sh and local-regionservers.sh Minor scripts
HBASE-13084 Add labels to VisibilityLabelsCache asynchronously causes TestShell flakey Major test
HBASE-13150 TestMasterObserver failing disable table at end of test Major test
HBASE-13163 Add HBase version to header and footer of HTML and PDF docs Major documentation
HBASE-13076 Table can be forcibly enabled in AssignmentManager during table disabling. Major master, Region Assignment
HBASE-13155 Fix TestPrefixTree Major test
HBASE-13156 Fix minor rat violation recently introduced (asciidoctor.css). Major .
HBASE-13052 Explain each region split policy Major documentation
HBASE-13146 Race Condition in ScheduledChore and ChoreService Major regionserver
HBASE-13145 TestNamespaceAuditor.testRegionMerge is flaky Major test
HBASE-13139 Clean up missing JAVA_HOME message in bin/hbase-config.sh Trivial shell
HBASE-13115 Fix the usage of remote user in thrift doAs implementation. Major .
HBASE-13141 IntegrationTestAcidGuarantees returns incorrect values for getColumnFamilies Major integration tests
HBASE-13134 mutateRow and checkAndMutate apis don't throw region level exceptions Major .
HBASE-13123 Minor bug in ROW bloom filter Minor .
HBASE-13133 NPE when running TestSplitLogManager Major .
HBASE-13131 ReplicationAdmin leaks connections if there's an error in the constructor Critical Replication
HBASE-12924 HRegionServer#MovedRegionsCleaner Chore does not start Minor .
HBASE-13119 FileLink should implement equals Major .
HBASE-13112 quota.rb, security.rb and visibility_labels.rb leak connection Major shell
HBASE-13111 truncate_preserve command is failing with undefined method error Major shell
HBASE-13102 Fix Pseudo-distributed Mode which was broken in 1.0.0 Major .
HBASE-13048 Use hbase.crypto.wal.algorithm in SecureProtobufLogReader while decrypting the data Minor .
HBASE-13085 Security issue in the implementation of Rest gataway 'doAs' proxy user support Critical REST, security
HBASE-13077 BoundedCompletionService doesn't pass trace info to server Major hbase
HBASE-13083 Master can be dead-locked while assigning META. Major master, Region Assignment
HBASE-12953 RegionServer is not functionally working with AysncRpcClient in secure mode Critical security
HBASE-13001 NullPointer in master logs for table.jsp Trivial .
HBASE-13032 Migration of states should be performed once META is assigned and onlined. Major .
HBASE-13070 Fix possibly zero length family and qualifier is TestCacheOnWrite Major test
HBASE-13081 Branch precommit builds are not updating to branch head before patch application Major .
HBASE-13069 Thrift Http Server returns an error code of 500 instead of 401 when authentication fails Minor .
HBASE-13072 BucketCache.evictBlock returns true if block does not exist Major BlockCache
HBASE-13075 TableInputFormatBase spuriously warning about multiple initializeTable calls Minor mapreduce
HBASE-13036 Meta scanner should use its own threadpool Major .
HBASE-13065 Increasing -Xmx when running TestDistributedLogSplitting Major test
HBASE-13066 Fix typo in AsyncRpcChannel Major IPC/RPC
HBASE-12102 Duplicate keys in HBase.RegionServer metrics JSON Minor .
HBASE-13061 RegionStates can remove wrong region from server holdings Major Region Assignment
HBASE-13050 Hbase shell create_namespace command throws ArrayIndexOutOfBoundException for (invalid) empty text input. Trivial .
HBASE-12948 Calling Increment#addColumn on the same column multiple times produces wrong result Critical Client, regionserver
HBASE-13040 Possible failure of TestHMasterRPCException Major test
HBASE-13055 HRegion FIXED_OVERHEAD missed one boolean Major .
HBASE-12412 update the ref guide(currently Example 10.2) to show "update an existing CF" with the new API modifyFamily in master Minor documentation
HBASE-13041 TestEnableTableHandler should not call AssignmentManager#assign concurrently with master Major integration tests
HBASE-13047 Add "HBase Configuration" link missing on the table details pages Trivial Operability
HBASE-13011 TestLoadIncrementalHFiles is flakey when using AsyncRpcClient as client implementation Major .
HBASE-13049 wal_roll ruby command doesn't work. Major shell
HBASE-13029 Table state should be deleted from META as a last operation in DeleteTableHandler Major master
HBASE-13007 Fix the test timeouts being caused by ChoreService Major .
HBASE-12920 hadoopqa should compile with different hadoop versions Major .
HBASE-12999 Make foreground_start return the correct exit code Major shell
HBASE-13004 Make possible to explain why HBaseTestingUtility.waitFor fails Minor test
HBASE-12961 Negative values in read and write region server metrics Minor regionserver
HBASE-12964 Add the ability for hbase-daemon.sh to start in the foreground Major .
HBASE-7332 [webui] HMaster webui should display the number of regions a table has. Minor UI
HBASE-12951 TestHCM.testConnectionClose is flakey when using AsyncRpcClient as client implementation Major IPC/RPC
HBASE-12877 Hbase documentation- a referenced link is not working Minor documentation
HBASE-12922 Post-asciidoc conversion fix-ups part 2 Major documentation
HBASE-12902 Post-asciidoc conversion fix-ups Major documentation
HBASE-12903 Fix configuration which enables secure bulk load Major Coprocessors, documentation
HBASE-12871 Document JDK versions supported by each release missing in new documentation Minor documentation
HBASE-12845 ByteBufferOutputStream should grow as direct buffer if the initial buffer is also direct BB Minor .
HBASE-12858 Remove unneeded files under src/main/docbkx Major documentation
HBASE-11983 HRegion constructors should not create HLog Major wal
HBASE-12849 LoadIncrementalHFiles should use unmanaged connection in branch-1 Major mapreduce
HBASE-12777 Multi-page book has broken links that work in the single-page version Major documentation
HBASE-12838 After HBASE-5162 RSRpcServices accidentally applies mutations twice Major .
HBASE-12775 CompressionTest ate my HFile (sigh!) Major test
HBASE-12772 TestPerColumnFamilyFlush failing Major test
HBASE-12749 Tighten HFileLink api to enable non-snapshot uses Major snapshots
HBASE-12734 TestPerColumnFamilyFlush.testCompareStoreFileCount is flakey Minor .
HBASE-12703 Cleanup TestClientPushback for repeatability Minor test
HBASE-12688 Update site with a bootstrap-based UI Major website
HBASE-12682 compaction thread throttle value is not correct in hbase-default.xml Major regionserver
HBASE-12690 list_quotas command is failing with not able to load Java class Major shell
HBASE-12687 Book is missing styling Major documentation
HBASE-12693 [docs] nit fix in HBase and MapReduce section Major documentation
HBASE-12677 Update replication docs to clarify terminology Major documentation
HBASE-9763 Scan javadoc doesn't fully capture semantics of start and stop row Minor documentation
HBASE-11153 Document that http webUI's should redirect to https when enabled Minor documentation, master, regionserver, UI
HBASE-12540 TestRegionServerMetrics#testMobMetrics test failure Major test
HBASE-12628 Update instructions for running shell tests using maven. Minor documentation, shell
HBASE-12553 request value is not consistent for restoreSnapshot in audit logs Minor security
HBASE-12548 Improve debuggability of IntegrationTestTimeBoundedRequestsWithRegionReplicas Minor .
HBASE-12603 Remove javadoc warnings introduced due to removal of unused imports Major .
HBASE-12474 Incorrect handling of default namespace in user_permission command. Minor .
HBASE-12552 listSnapshots should list only owned snapshots for non-super user Major snapshots
HBASE-12073 Shell command user_permission fails on the table created by user if he is not global admin. Minor .
HBASE-12535 NPE in WALFactory close under contention for getInstance Major Replication, wal
HBASE-12532 TestFilter failing occasionally with ExitCodeException doing chmod since HBASE-10378 Major test
HBASE-12421 Clarify ACL concepts and best practices Major documentation, security
HBASE-12488 Small bug in publish_hbase_website.sh script Minor scripts
HBASE-12347 Fix the edge case where Hadoop QA's parsing of attached patches breaks the JIRA status checker in dev-support/rebase_all_git_branches.sh Minor scripts
HBASE-12409 Add actual tunable parameters for finding optimal # of regions per RS Major documentation, Performance
HBASE-12397 CopyTable fails to compile with the Hadoop 1 profile Major .
HBASE-12418 Multiple branches for MOB feature breaking git for case insensitive filesystems Blocker .
HBASE-12380 TestRegionServerNoMaster#testMultipleOpen is flaky after HBASE-11760 Major test
HBASE-12326 Document scanner timeout workarounds in troubleshooting section Major documentation
HBASE-12283 Clean up some checkstyle errors Major .
HBASE-12307 Remove unused Imports in hbase-client and hbase-common Minor .
HBASE-12192 Remove EventHandlerListener Major master
HBASE-12186 Formatting error in Table 8.2. Examples of Visibility Expressions Major documentation
HBASE-12216 Lower closed region logging level Minor .
HBASE-12201 Close the writers in the MOB sweep tool Minor .
HBASE-11998 Document a workflow for cherry-picking a fix to a different branch Major documentation
HBASE-12193 Add missing docbook file to git Major documentation
HBASE-12172 Disable flakey TestRegionReplicaReplicationEndpoint and make fixing it a blocker on 1.0 Major test
HBASE-11957 Backport to 0.94 HBASE-5974 Scanner retry behavior with RPC timeout on next() seems incorrect Critical .
HBASE-12030 Wrong compaction report and assert when MOB compaction switches to minor Critical Compaction, regionserver
HBASE-12005 Split/merge fails if master restarts before PONR Major .
HBASE-12027 The ZooKeeperWatcher in HMobStore only uses the default conf Major .
HBASE-11987 Make zk-less table states backward compatible. Major .
HBASE-11968 If MOB is enabled, it should make sure hfile v3 is being used. Major .
HBASE-11721 jdiff script no longer works as usage instructions indicate Major scripts
HBASE-8674 JUnit and Surefire TRUNK-HBASE-2 plugins need a new home Major build
HBASE-11855 HBase handbook chapter 18.9 out of date Minor documentation
HBASE-11689 Track meta in transition Major Region Assignment
HBASE-11834 TestHRegionBusyWait.testParallelAppendWithMemStoreFlush fails sporadically Major test
HBASE-11732 Should not preemptively offline a region Major Region Assignment
HBASE-11658 Piped commands to hbase shell should return non-zero if shell command failed. Major shell
HBASE-11333 Remove deprecated class MetaMigrationConvertingToPB Trivial master
HBASE-11661 Quickstart chapter claims standalone mode has multiple processes Minor documentation
HBASE-11629 Operational concerns for Replication should call out ZooKeeper Major documentation, Replication
HBASE-11640 Add syntax highlighting support to HBase Ref Guide programlistings Major documentation
HBASE-11648 Typo of config: hbase.hstore.compaction.ratio in book.xml Minor Compaction
HBASE-11539 Expand info about contributing to and building documentation Major documentation
HBASE-11316 Expand info about compactions beyond HBASE-11120 Major Compaction, documentation
HBASE-11522 Move Replication information into the Ref Guide Major documentation
HBASE-11560 hbase.regionserver.global.memstore.size is documented twice Major .
HBASE-11529 Images and CSS still don't work properly on both html and html-single book Major documentation
HBASE-11521 Modify pom.xml to copy the images/ and css/ directories to the right location for the Ref Guide to see them correctly Critical documentation
HBASE-8473 add note to ref guide about snapshots and ec2 reverse dns requirements. Major documentation, snapshots
HBASE-11499 AsyncProcess.buildDetailedErrorMessage concatenates strings using + in a loop Trivial Client
HBASE-11500 Possible null pointer dereference of regionLocation in ReversedScannerCallable Minor Client

TESTS:

JIRA Summary Priority Component
HBASE-20228 [Umbrella] Verify 1.2.7 shell works against 2.0.0 server Blocker shell
HBASE-20272 TestAsyncTable#testCheckAndMutateWithTimeRange fails due to TableExistsException Major .
HBASE-20107 Add a test case for HBASE-14317 Minor wal
HBASE-20052 TestRegionOpen#testNonExistentRegionReplica fails due to NPE Major .
HBASE-20031 Unable to run integration test using mvn due to missing HBaseClassTestRule Major .
HBASE-19949 TestRSGroupsWithACL fails with ExceptionInInitializerError Major .
HBASE-19869 Wrong class name used in TestLockManager Trivial .
HBASE-19832 TestConfServlet#testWriteJson fails against hadoop3 due to spelling change Minor .
HBASE-19514 Use random port for TestJMXListener Minor .
HBASE-19289 CommonFSUtils$StreamLacksCapabilityException: hflush when running test against hadoop3 beta1 Critical .
HBASE-19342 fix TestTableBasedReplicationSourceManagerImpl#testRemovePeerMetricsCleanup Major test
HBASE-19266 TestAcidGuarantees should cover adaptive in-memory compaction Minor .
HBASE-19288 Intermittent test failure in TestHStore.testRunDoubleMemStoreCompactors Major test
HBASE-19299 Assert only one Connection is constructed when calculating splits in a MultiTableInputFormat Minor test
HBASE-19273 IntegrationTestBulkLoad#installSlowingCoproc() uses read-only HTableDescriptor Major .
HBASE-19248 TestZooKeeper#testMultipleZK fails due to missing method getKeepAliveZooKeeperWatcher Critical Zookeeper
HBASE-19237 TestMaster.testMasterOpsWhileSplitting fails Major .
HBASE-16051 TestScannerHeartbeatMessages fails on some machines Major test
HBASE-19026 TestLockProcedure#testRemoteNamespaceLockRecovery fails in master Major .
HBASE-18902 TestCoprocessorServiceBackwardCompatibility fails Major .
HBASE-18632 TestMultiParallel#testFlushCommitsWithAbort fails in master branch Major test
HBASE-18147 nightly job to check health of active branches Major community, test
HBASE-17806 TestRSGroups#testMoveServersAndTables is flaky in master branch Major .
HBASE-17703 TestThriftServerCmdLine is flaky in master branch Major .
HBASE-17672 "Grant should set access rights appropriately" test fails Major .
HBASE-17657 TestZKAsyncRegistry is flaky Major .
HBASE-17628 Local mode of mini cluster shouldn't use hdfs Minor .
HBASE-17474 Reduce frequency of NoSuchMethodException when calling setStoragePolicy() Minor .
HBASE-17371 Enhance 'HBaseContextSuite @ distributedScan to test HBase client' with filter Minor .
HBASE-17246 TestSerialReplication#testRegionMerge fails in master branch Major .
HBASE-17189 TestMasterObserver#wasModifyTableActionCalled uses wrong variables Minor test
HBASE-17080 rest.TestTableResource fails in master branch Major .
HBASE-17120 TestAssignmentListener#testAssignmentListener fails Minor .
HBASE-16975 Disable two subtests of TestSerialReplication Minor .
HBASE-16274 Add more peer tests to replication_admin_test Minor .
HBASE-16781 Fix flaky TestMasterProcedureWalLease Minor proc-v2, test
HBASE-16794 TestDispatchMergingRegionsProcedure#testMergeRegionsConcurrently is flaky Minor test
HBASE-16791 Fix TestDispatchMergingRegionsProcedure Minor test
HBASE-16777 Fix flaky TestMasterProcedureEvents Trivial proc-v2, test
HBASE-16778 Move testIllegalTableDescriptor out from TestFromClientSide Trivial test
HBASE-16776 Remove duplicated versions of countRow() in tests Trivial test
HBASE-16725 Don't let flushThread hang in TestHRegion Minor .
HBASE-16671 Split TestExportSnapshot Minor snapshots, test
HBASE-16349 TestClusterId may hang during cluster shutdown Minor .
HBASE-16634 Speedup TestExportSnapshot Minor snapshots, test
HBASE-16639 TestProcedureInMemoryChore#testChoreAddAndRemove occasionally fails Minor .
HBASE-16418 Reduce duration of sleep waiting for region reopen in IntegrationTestBulkLoad#installSlowingCoproc() Minor .
HBASE-16185 TestReplicationSmallTests fails in master branch Major .
HBASE-16049 TestRowProcessorEndpoint is failing on Apache Builds Major .
HBASE-15939 Two shell test failures on master Major .
HBASE-15923 Shell rows counter test fails Major .
HBASE-15760 TestBlockEvictionFromClient#testParallelGetsAndScanWithWrappedRegionScanner fails in master branch Minor .
HBASE-15679 Assertion on wrong variable in TestReplicationThrottler#testThrottling Minor .
HBASE-13372 Unit tests for SplitTransaction and RegionMergeTransaction listeners Major .
HBASE-15420 TestCacheConfig failed after HBASE-15338 Minor test
HBASE-15192 TestRegionMergeTransactionOnCluster#testCleanMergeReference is flaky Minor .
HBASE-14584 TestNamespacesInstanceModel fails on jdk8 Major REST, test
HBASE-14758 Add UT case for unchecked error/exception thrown in AsyncProcess#sendMultiAction Minor Client, test
HBASE-14728 TestRowCounter is broken in master Major .
HBASE-14688 Cleanup MOB tests Trivial mob
HBASE-14466 Remove duplicated code from MOB snapshot tests Trivial mob, test
HBASE-14344 Add timeouts to TestHttpServerLifecycle Minor test
HBASE-14310 test-patch.sh should handle spurious non-zero exit code from maven Minor .
HBASE-14293 TestStochasticBalancerJmxMetrics intermittently fails due to port conflict Minor .
HBASE-14277 TestRegionServerHostname.testRegionServerHostname may fail at host with a case sensitive name Minor test
HBASE-14210 Create test for cell level ACLs involving user group Major test
HBASE-14200 Separate RegionReplica subtests of TestStochasticLoadBalancer into TestStochasticLoadBalancer2 Minor .
HBASE-14197 TestRegionServerHostname#testInvalidRegionServerHostnameAbortsServer fails in Jenkins Minor .
HBASE-13940 IntegrationTestBulkLoad needs option to specify output folders used by test Major integration tests
HBASE-13609 TestFastFail is still failing Major test
HBASE-13591 TestHBaseFsck is flakey Major hbck
HBASE-13413 Create an integration test for Replication Minor integration tests
HBASE-13280 TestSecureRPC failed Minor .
HBASE-13182 Test NamespaceAuditor/AccessController create/delete table is flaky Minor test
HBASE-13179 TestMasterObserver deleteTable is flaky Minor test
HBASE-13106 Ensure endpoint-only table coprocessors can be dynamically loaded Trivial .
HBASE-12992 TestChoreService doesn't close services, that can break test on slow virtual hosts. Major .
HBASE-12764 TestPerColumnFamilyFlush#testCompareStoreFileCount may fail due to new table not available Minor .
HBASE-11867 TestSplitLogManager.testUnassignedTimeout is flaky Minor .
HBASE-11866 TestDistributedLogSplitting is flaky Minor .
HBASE-11673 TestIOFencing#testFencingAroundCompactionAfterWALSync fails Major .
HBASE-4744 Remove @Ignore for testLogRollAfterSplitStart Critical .
HBASE-11616 TestNamespaceUpgrade fails in trunk Major .
HBASE-11039 [VisibilityController] Integration test for labeled data set mixing and filtered excise Critical .
HBASE-11461 Compilation errors are not posted back to JIRA during QA run Minor .

SUB-TASKS:

JIRA Summary Priority Component
HBASE-20059 Make sure documentation is updated for the offheap Bucket cache usage Critical documentation
HBASE-20454 [DOC] Add note on perf to upgrade section Major .
HBASE-20347 [DOC] upgrade section should warn about logging changes Critical documentation, logging
HBASE-20349 [DOC] upgrade guide should call out removal of prefix-tree data block encoding Critical documentation
HBASE-17554 Figure 2.0.0 Hadoop Version Support; update refguide Blocker documentation
HBASE-20253 Error message is missing for restore_snapshot Minor shell
HBASE-20380 Put up 2.0.0RC0 Major .
HBASE-20149 Purge dev javadoc from bin tarball (or make a separate tarball of javadoc) Critical build, community, documentation
HBASE-18828 [2.0] Generate CHANGES.txt Blocker .
HBASE-20287 After cluster startup list_regions command fails on disabled table Minor shell
HBASE-20258 Shell hangs when scanning a disabled table Major .
HBASE-20354 [DOC] quickstart guide needs to include note about durability checks for standalone mode Blocker documentation, hadoop3
HBASE-17730 [DOC] Migration to 2.0 for coprocessors Blocker documentation, migration
HBASE-20337 Update the doc on how to setup shortcircuit reads; its stale Major .
HBASE-20298 Doc change in read/write/total accounting metrics Critical documentation
HBASE-16848 Usage for show_peer_tableCFs command doesn't include peer Minor .
HBASE-20254 Incorrect help message for merge_region Minor shell
HBASE-17819 Reduce the heap overhead for BucketCache Critical BucketCache
HBASE-20245 HTrace commands do not work Major .
HBASE-20241 splitormerge_enabled does not work Critical shell
HBASE-20202 [AMv2] Don't move region if its a split parent or offlined Critical amv2
HBASE-20247 Set version as 2.0.0 in branch-2.0 in prep for first RC Major .
HBASE-20232 [LOGGING] Formatting around close and flush Major .
HBASE-20190 Fix default for MIGRATE_TABLE_STATE_FROM_ZK_KEY Critical .
HBASE-20180 Avoid Class::newInstance Major .
HBASE-20178 [AMv2] Throw exception if hostile environment Major amv2
HBASE-20173 [AMv2] DisableTableProcedure concurrent to ServerCrashProcedure can deadlock Critical amv2
HBASE-19093 Check Admin/Table to ensure all operations go via AccessControl Blocker .
HBASE-19114 Split out o.a.h.h.zookeeper from hbase-server and hbase-client Major .
HBASE-18758 [TEST][compat 1-2] Test delegation tokens continue to work when hbase1 going against hbase2 cluster Critical API
HBASE-20113 Move branch-2 version from 2.0.0-beta-2-SNAPSHOT to 2.0.0-beta-2 Major .
HBASE-20100 TestEnableTableProcedure flakey Major amv2, flakey
HBASE-19400 Add missing security checks in MasterRpcServices Major .
HBASE-20069 fix existing findbugs errors in hbase-server Critical findbugs
HBASE-20036 TestAvoidCellReferencesIntoShippedBlocks timed out Major .
HBASE-20083 Fix findbugs error for ReplicationSyncUp Major findbugs
HBASE-20019 Document the ColumnValueFilter Minor documentation
HBASE-20048 Revert serial replication feature Blocker Replication
HBASE-20044 TestClientClusterStatus is flakey Major flakey
HBASE-19554 AbstractTestDLS.testThreeRSAbort sometimes fails in pre commit Major Recovery, wal
HBASE-20038 TestLockProcedure.testTimeout is flakey Major proc-v2, test
HBASE-20041 cannot start mini mapreduce cluster for ITs Major .
HBASE-20035 .TestQuotaStatusRPCs.testQuotaStatusFromMaster failed with NPEs and RuntimeExceptions Major .
HBASE-20039 move testhbasetestingutility mr tests to hbase-mapreduce Major .
HBASE-20021 TestFromClientSideWithCoprocessor is flakey Major .
HBASE-20029 @Ignore TestQuotaThrottle and TestReplicasClient#testCancelOfMultiGet Major .
HBASE-20015 TestMergeTableRegionsProcedure and TestRegionMergeTransactionOnCluster flakey Major flakey
HBASE-20013 TestZKPermissionWatcher is flakey Major flakey
HBASE-20014 TestAdmin1 Times out Major .
HBASE-19978 The keepalive logic is incomplete in ProcedureExecutor Major .
HBASE-20011 Disable TestRestoreSnapshotFromClientWithRegionReplicas; it is flakey. Needs attention. Major read replicas
HBASE-19903 Split TestShell so it will not time out Major shell, test
HBASE-20000 Remove the quantum logic in FairQueue, always put high priority queue in front Major proc-v2
HBASE-19116 Currently the tail of hfiles with CellComparator* classname makes it so hbase1 can't open hbase2 written hfiles; fix Critical HFile, migration
HBASE-19965 Fix flaky TestAsyncRegionAdminApi Critical .
HBASE-19960 Doc test timeouts and test categories in hbase2 Major .
HBASE-19942 Fix flaky TestSimpleRpcScheduler Major .
HBASE-19956 Remove category as a consideration timing out tests; set all test to timeout at 10minutes regardless Major .
HBASE-19951 Cleanup the explicit timeout value for test method Major .
HBASE-19791 TestZKAsyncRegistry hangs Critical .
HBASE-19840 Flakey TestMetaWithReplicas Major flakey, test
HBASE-19927 TestFullLogReconstruction flakey Major wal
HBASE-19841 Tests against hadoop3 fail with StreamLacksCapabilityException Major .
HBASE-19944 Fix timeout TestVisibilityLabelsWithCustomVisLabService Major .
HBASE-19931 TestMetaWithReplicas failing 100% of the time in testHBaseFsckWithMetaReplicas Major .
HBASE-19837 Flakey TestRegionLoad Major flakey, test
HBASE-19803 False positive for the HBASE-Find-Flaky-Tests job Major .
HBASE-19910 TestBucketCache TimesOut Major .
HBASE-19916 TestCacheOnWrite Times Out Major .
HBASE-19914 Refactor TestVisibilityLabelsOnNewVersionBehaviorTable Major test
HBASE-19868 TestCoprocessorWhitelistMasterObserver is flakey Major flakey, test
HBASE-19908 TestCoprocessorShortCircuitRPC Timeout.... Major .
HBASE-19909 TestRegionLocationFinder Timeout Major .
HBASE-19928 TestVisibilityLabelsOnNewVersionBehaviorTable fails Major test
HBASE-19918 Promote TestAsyncClusterAdminApi to LargeTests Major test
HBASE-19896 Fix ScanInfo.customize() to update only the requested options Major Coprocessors
HBASE-19895 Add keepDeletedCells option in ScanOptions for customizing scanInfo in pre-hooks Major Coprocessors
HBASE-19913 Split TestStochasticLoadBalancer2 Major test
HBASE-19839 Flakey TestMergeTableRegionsProcedure & TestSplitTableRegionProcedure Major flakey, test
HBASE-19911 Convert some tests from small to medium because they are timing out: TestNettyRpcServer, TestClientClusterStatus, TestCheckTestClasses Major .
HBASE-19887 Do not overwrite the surefire junit listener property in the pom of sub modules Major build
HBASE-19891 Up nightly test run timeout from 6 hours to 8 Major .
HBASE-19811 Fix findbugs and error-prone warnings in hbase-server (branch-2) Major .
HBASE-19885 Promote TestAssignmentManager to LargeTests Major .
HBASE-19866 TestRegionServerReportForDuty doesn't timeout Major rpc
HBASE-19882 Promote TestProcedureManager to MediumTests Major test
HBASE-19877 hbase-common and hbase-zookeeper don't add the log4j.properties to the resource path for testing Critical test
HBASE-19870 Fix the NPE in ReadOnlyZKClient#run Major .
HBASE-19881 Promote TestRegionReplicaReplicationEndpoint to LargeTests Major test
HBASE-19880 Promote TestFuzzyRowFilterEndToEnd to LargeTests Major test
HBASE-19879 Promote TestAcidGuaranteesXXX to LargeTests Major test
HBASE-19867 Split TestStochasticLoadBalancer into several small tests Major test
HBASE-19862 Fix TestTokenAuthentication - fake RegionCoprocessorEnvironment is not of type HasRegionServerServices Major .
HBASE-19846 Fix findbugs and error-prone warnings in hbase-rest (branch-2) Major .
HBASE-19845 Fix findbugs and error-prone warnings in hbase-rsgroup (branch-2) Major .
HBASE-19847 Fix findbugs and error-prone warnings in hbase-thrift (branch-2) Major .
HBASE-19827 Addendum for Flakey TestAssignmentManager Major flakey, test
HBASE-18963 Remove MultiRowMutationProcessor and implement mutateRows... methods using batchMutate() Major regionserver
HBASE-19527 Make ExecutorService threads daemon=true. Major .
HBASE-19810 Fix findbugs and error-prone warnings in hbase-metrics (branch-2) Major .
HBASE-19809 Fix findbugs and error-prone warnings in hbase-procedure (branch-2) Major .
HBASE-19793 Minor improvements on Master/RS startup Major .
HBASE-19795 Move the tests which only need zookeeper in TestZooKeeper to hbase-zookeeper module Major .
HBASE-19772 Do not close connection to zk when there are still pending request in ReadOnlyZKClient Major Zookeeper
HBASE-19787 Fix or disable tests broken in branch-2 so can cut beta-1 Critical .
HBASE-19746 Add default impl to Cell#getType Critical .
HBASE-19743 Disable TestMemstoreLABWithoutPool Major test
HBASE-19731 TestFromClientSide#testCheckAndDeleteWithCompareOp and testNullQualifier are flakey Critical test
HBASE-19604 Fix Checkstyle errors in hbase-protocol-shaded Minor .
HBASE-19581 Fix Checkstyle error in hbase-external-blockcache Trivial .
HBASE-19667 Get rid of MasterEnvironment#supportGroupCPs Major Coprocessors
HBASE-19670 Workaround: Purge User API building from branch-2 so can make a beta-1 Major website
HBASE-19428 Deprecate the compareTo(Row) Major .
HBASE-19282 CellChunkMap Benchmarking and User Interface Major .
HBASE-19660 Up default retries from 10 to 15 and blocking store files limit from 10 to 16 Major .
HBASE-19133 Transfer big cells or upserted/appended cells into MSLAB upon flattening to CellChunkMap Major .
HBASE-19653 Reduce the default hbase.client.start.log.errors.counter Trivial defaults
HBASE-19626 Rename Cell.DataType to Cell.Type Minor .
HBASE-19648 Move branch-2 version from 2.0.0-beta-1-SNAPSHOT to 2.0.0-beta-1 Major .
HBASE-19609 Fix Checkstyle errors in hbase-metrics Minor metrics
HBASE-19628 ByteBufferCell should extend ExtendedCell Major .
HBASE-19629 RawCell#getTags should return the Iterator<Tag> in order to avoid iterating through whole tag array at once Major .
HBASE-19605 Fix Checkstyle errors in hbase-metrics-api Minor metrics
HBASE-19602 Cleanup the usage of ReplicationAdmin from document Minor .
HBASE-19502 Make sure we have closed all StoreFileScanners if we fail to open any StoreFileScanners Major regionserver, Scanners
HBASE-19591 Cleanup the usage of ReplicationAdmin from hbase-shell Major .
HBASE-10092 Move to slf4j Critical .
HBASE-19575 add copy constructor to Mutation Major .
HBASE-19566 Fix Checkstyle errors in hbase-client-project Trivial .
HBASE-19567 ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator starting 2.0.0 over a 0.98.25 data. Major HFile
HBASE-19468 FNFE during scans and flushes Critical regionserver, Scanners
HBASE-19556 Remove TestAssignmentManager#testGoodSplit, which no longer make sense Minor .
HBASE-19494 Create simple WALKey filter that can be plugged in on the Replication Sink Major Replication
HBASE-19480 Enable Checkstyle in hbase-annotations Trivial .
HBASE-19481 Enable Checkstyle in hbase-error-prone Trivial .
HBASE-19538 Remove unnecessary semicolons in hbase-client Minor .
HBASE-19539 Remove unnecessary semicolons in hbase-common Minor .
HBASE-18440 ITs and Actions modify immutable TableDescriptors Major integration tests
HBASE-19112 Suspect methods on Cell to be deprecated Blocker Client
HBASE-19474 Bring down number of Checkstyle errors in hbase-zookeeper Minor Zookeeper
HBASE-19479 Fix Checkstyle error in hbase-shell Trivial shell
HBASE-19497 Fix findbugs and error-prone warnings in hbase-common (branch-2) Major .
HBASE-19498 Fix findbugs and error-prone warnings in hbase-client (branch-2) Major .
HBASE-19272 Deal with HBCK tests disabled by HBASE-14614 AMv2 when HBCK works again... Major hbck
HBASE-15536 Make AsyncFSWAL as our default WAL Critical wal
HBASE-19505 Disable ByteBufferPool by default at HM Major .
HBASE-19462 Deprecate all addImmutable methods in Put Major .
HBASE-19000 Group multiple block cache clear requests per server Major .
HBASE-19213 Align check and mutate operations in Table and AsyncTable Minor API
HBASE-19427 Add TimeRange support into Append to optimize for counters Major .
HBASE-16890 Analyze the performance of AsyncWAL and fix the same Blocker wal
HBASE-19375 Fix import order in hbase-thrift Trivial Thrift
HBASE-19373 Fix Checkstyle error in hbase-annotations Trivial .
HBASE-19360 Remove unused imports from hbase-zookeeper module Minor Zookeeper
HBASE-19301 Provide way for CPs to create short circuited connection with custom configurations Major Coprocessors
HBASE-19439 Mark ShortCircuitMasterConnection with InterfaceAudience Private Major .
HBASE-19430 Remove the SettableTimestamp and SettableSequenceId Major .
HBASE-19295 The Configuration returned by CPEnv should be read-only. Major Coprocessors
HBASE-18112 Write RequestTooBigException back to client for NettyRpcServer Major IPC/RPC
HBASE-19426 Move has() and setTimestamp() to Mutation Major Client
HBASE-19399 Purge curator dependency from hbase-client Major Client, Zookeeper
HBASE-19344 improve asyncWAL by using Independent thread for netty #IO in FanOutOneBlockAsyncDFSOutput Major wal
HBASE-19346 Use EventLoopGroup to create AsyncFSOutput Major wal
HBASE-19362 Remove unused imports from hbase-thrift module Minor Thrift
HBASE-19096 Add RowMutions batch support in AsyncTable Major .
HBASE-17049 Do not issue sync request when there are still entries in ringbuffer Critical wal
HBASE-19242 Add MOB compact support for AsyncAdmin Blocker Admin, mob
HBASE-19122 preCompact and preFlush can bypass by returning null scanner; shut it down Critical Coprocessors, Scanners
HBASE-19313 Call blockUntilConnected when constructing ZKAsyncRegistry(temporary workaround) Major asyncclient, Client, Zookeeper
HBASE-19269 Reenable TestShellRSGroups Major test
HBASE-19276 RegionPlan should correctly implement equals and hashCode Major .
HBASE-18911 Unify Admin and AsyncAdmin's methods name Major .
HBASE-19268 Enable Replica tests that were disabled by Proc-V2 AM in HBASE-14614 Major test
HBASE-19009 implement modifyTable and enable/disableTableReplication for AsyncAdmin Major .
HBASE-18964 Deprecate RowProcessor and processRowsWithLocks() APIs that take RowProcessor as an argument Major regionserver
HBASE-19270 Reenable TestRegionMergeTransactionOnCluster#testMergeWithReplicas disable by HBASE-14614 Major Region Assignment
HBASE-19278 Reenable cleanup in test teardown in TestAccessController3 disabled by HBASE-14614 Major Region Assignment
HBASE-19235 CoprocessorEnvironment should be exposed to CPs Minor Coprocessors
HBASE-19243 Start mini cluster once before class for TestFIFOCompactionPolicy Major test
HBASE-18423 Fix TestMetaWithReplicas Major test
HBASE-18962 Support atomic BatchOperations through batchMutate() Major regionserver
HBASE-19127 Set State.SPLITTING, MERGING, MERGING_NEW, SPLITTING_NEW properly in RegionStatesNode Major .
HBASE-19220 Async tests time out talking to zk; 'clusterid came back null' Major test
HBASE-19002 Introduce more examples to show how to intercept normal region operations Minor Coprocessors
HBASE-18624 Added support for clearing BlockCache based on table name Major .
HBASE-19203 Update Hadoop version used for build to 2.7.4 Major .
HBASE-18961 doMiniBatchMutate() is big, split it into smaller methods Major regionserver
HBASE-19197 Move version on branch-2 from 2.0.0-alpha4 to 2.0.0-beta-1.SNAPSHOT Major .
HBASE-18950 Remove Optional parameters in AsyncAdmin interface Blocker Client
HBASE-19131 Add the ClusterStatus hook and cleanup other hooks which can be replaced by ClusterStatus hook Major Coprocessors
HBASE-19095 Add CP hooks in RegionObserver for in memory compaction Major Coprocessors
HBASE-19152 Update refguide 'how to build an RC' and the make_rc.sh script Trivial build
HBASE-18972 Use Builder pattern to remove nullable parameters for coprocessor methods in RawAsyncTable interface Blocker Client
HBASE-19141 [compat 1-2] getClusterStatus always return empty ClusterStatus Critical API
HBASE-18770 Remove bypass method in ObserverContext and implement the 'bypass' logic case by case Critical Coprocessors
HBASE-18375 The pool chunks from ChunkCreator are deallocated while in pool because there is no reference to them Critical .
HBASE-19136 Set branch-2 version to 2.0.0-alpha4 from 2.0.0-alpha4-SNAPSHOT Major .
HBASE-19031 Align exist method in Table and AsyncTable interfaces Critical asyncclient, Client
HBASE-18995 Move methods that are for internal usage from CellUtil to Private util class Critical .
HBASE-18906 Provide Region#waitForFlushes API Critical Coprocessors
HBASE-19090 Add config 'hbase.systemtables.compacting.memstore.type' to hbase-default.xml Major .
HBASE-19048 Cleanup MasterObserver hooks which takes IA private params Major Coprocessors
HBASE-19029 Align RPC timout methods in Table and AsyncTableBase Critical asyncclient, Client
HBASE-19057 Fix other code review comments about FilterList Improvement Blocker Filters
HBASE-19074 Miscellaneous Observer cleanups Major Coprocessors
HBASE-19070 temporarily make the mvnsite nightly test non-voting. Major build
HBASE-18754 Get rid of Writable from TimeRangeTracker Major .
HBASE-19053 Split out o.a.h.h.http from hbase-server into a separate module Major .
HBASE-19069 Do not wrap the original CompactionLifeCycleTracker when calling CP hooks Blocker Compaction, Coprocessors
HBASE-18873 Hide protobufs in GlobalQuotaSettings Critical .
HBASE-19010 Reimplement getMasterInfoPort for Admin Major Client
HBASE-19045 Deprecate RegionObserver#postInstantiateDeleteTracker Major Coprocessors
HBASE-18977 Reenable test of filterlist using MUST_PASS_ONE and two familyfilters Blocker Filters
HBASE-18945 Make a IA.LimitedPrivate interface for CellComparator Major .
HBASE-18960 A few bug fixes and minor improvements around batchMutate() Major regionserver
HBASE-18914 Remove AsyncAdmin's methods which were already deprecated in Admin interface Major .
HBASE-18954 Make *CoprocessorHost classes private Major Coprocessors
HBASE-18966 Use non-sync TimeRangeTracker as a replacement for TimeRange in ImmutableSegment Major .
HBASE-18747 Introduce new example and helper classes to tell CP users how to do filtering on scanners Critical Coprocessors
HBASE-18411 Dividing FiterList into two separate sub-classes: FilterListWithOR , FilterListWithAND Major Filters
HBASE-18108 Procedure WALs are archived but not cleaned; fix Blocker proc-v2
HBASE-18867 maven enforcer plugin needs update to work with jdk9 Blocker build
HBASE-18981 Address issues found by error-prone in hbase-client Trivial .
HBASE-18980 Address issues found by error-prone in hbase-hadoop2-compat Trivial .
HBASE-18951 Use Builder pattern to remove nullable parameters for checkAndXXX methods in RawAsyncTable/AsyncTable interface Blocker asyncclient, Client
HBASE-18160 Fix incorrect logic in FilterList.filterKeyValue Major Filters
HBASE-17678 FilterList with MUST_PASS_ONE may lead to redundant cells returned Major Filters
HBASE-18957 add test that confirms 2 FamilyFilters in a FilterList using MUST_PASS_ONE operator will return results that match either of the FamilyFilters and revert as needed to make it pass. Critical Filters
HBASE-18949 Remove the CompactionRequest parameter in preCompactSelection Major Coprocessors
HBASE-18752 Recalculate the TimeRange in flushing snapshot to store file Major .
HBASE-18909 Deprecate Admin's methods which used String regex Major Admin
HBASE-18931 Make ObserverContext an interface and remove private/testing methods Major Coprocessors
HBASE-18933 set version number to 2.0.0-alpha4-SNAPSHOT following release of alpha3 Blocker build
HBASE-18815 We need to pass something like CompactionRequest in CP to give user some information about the compaction Major Coprocessors
HBASE-18105 [AMv2] Split/Merge need cleanup; currently they diverge and do not fully embrace AMv2 world Major Region Assignment
HBASE-18753 Introduce the unsynchronized TimeRangeTracker Major .
HBASE-18010 Connect CellChunkMap to be used for flattening in CompactingMemStore Major .
HBASE-18807 Remove PB references from Observers for Quotas Major .
HBASE-18786 FileNotFoundException should not be silently handled for primary region replicas Major regionserver, Scanners
HBASE-18823 Apply RegionInfo to MasterObserver/RegionObserver/WALObserver Major Coprocessors
HBASE-17980 Any HRegionInfo we give out should be immutable Major .
HBASE-18821 Enforcer plugin NPEs again when generating site Major website
HBASE-18820 assembly is missing hbase-replication Major build
HBASE-18819 Set version number to 2.0.0-alpha3 from 2.0.0-alpha3-SNAPSHOT Major .
HBASE-14998 Unify synchronous and asynchronous methods in Admin and cleanup Blocker .
HBASE-18718 Document the coprocessor.Export Major Coprocessors, documentation, tooling
HBASE-18750 Cleanup the docs saying "HTable use write buffer" Minor documentation
HBASE-18779 Move CompareOperator to hbase-client module Critical .
HBASE-18769 Make CompareFilter use generic CompareOperator instead of internal enum Major .
HBASE-14997 Move compareOp and Comparators out of filter to client package Critical .
HBASE-18697 Need a shaded hbase-mapreduce module Major mapreduce
HBASE-18749 Apply the CF specific TimeRange from Scan to filter the segment scanner Minor .
HBASE-18739 Make all TimeRange Constructors InterfaceAudience Private. Major API
HBASE-18721 Cleanup unused configs and private declaration Minor .
HBASE-18700 Document the new changes on mapreduce stuffs Major mapreduce
HBASE-18698 MapreduceDependencyClasspathTool does not include hbase-server as a dependency Major mapreduce
HBASE-18692 [compat 1-2] ByteBufferUtils.copyFromBufferToBuffer goes from void to int Major API
HBASE-18691 [compat 1-2] HCD remove and removeConfiguration change return type Major API
HBASE-18688 Upgrade commons-codec to 1.10 Major dependencies
HBASE-16324 Remove LegacyScanQueryMatcher Critical Compaction, regionserver
HBASE-18687 Add @since 2.0.0 to new classes Major API
HBASE-18448 EndPoint example for refreshing HFiles for stores Minor Coprocessors
HBASE-18656 Address issues found by error-prone in hbase-common Major build
HBASE-18658 Purge hokey hbase Service implementation; use (internal) Guava Service instead Major .
HBASE-18347 Implement a BufferedMutator for async client Major asyncclient, Client
HBASE-18503 Change ***Util and Master to use TableDescriptor and ColumnFamilyDescriptor Major .
HBASE-18103 [AMv2] If Master gives OPEN to another, if original eventually succeeds, Master will kill it Critical master, proc-v2
HBASE-18489 Expose scan cursor in RawScanResultConsumer Major asyncclient, Client, scan
HBASE-18608 AsyncConnection should return AsyncAdmin interface instead of the implemenation Major Client
HBASE-18595 Set version in branch-2 from 2.0.0-alpha2-SNAPSHOT to 2.0.0-alpha2 Major .
HBASE-18553 Expose scan cursor for asynchronous scanner Major .
HBASE-17994 Add async client test to Performance Evaluation tool Major .
HBASE-18424 Fix TestAsyncTableGetMultiThreaded Major test
HBASE-18238 Address ruby static analysis for bin directory Major .
HBASE-18593 Tell m2eclipse what to do w/ replacer plugin Trivial build
HBASE-18271 Shade netty Blocker rpc
HBASE-18398 Snapshot operation fails with FileNotFoundException Major snapshots
HBASE-18315 Eliminate the findbugs warnings for hbase-rest Major .
HBASE-18102 [SHELL] Purge close_region command that allows by-pass of Master Major Operability, shell
HBASE-18231 Deprecate and throw unsupported operation when Admin#closeRegion is called. Critical Admin
HBASE-18367 Reduce ProcedureInfo usage Major master, proc-v2
HBASE-18107 [AMv2] Remove DispatchMergingRegionsRequest & DispatchMergingRegions Major Region Assignment
HBASE-18428 IntegrationTestDDLMasterFailover uses old-style immutable column descriptors Major integration tests
HBASE-18419 Update IntegrationTestIngestWithMOB and Actions to use ColumnFamily builders for modification Critical integration tests
HBASE-18420 Some methods of Admin don't use ColumnFamilyDescriptor Major .
HBASE-17738 BucketCache startup is slow Major BucketCache
HBASE-18308 Eliminate the findbugs warnings for hbase-server Major .
HBASE-18052 Add document for async admin Major Client
HBASE-18229 create new Async Split API to embrace AM v2 Critical proc-v2
HBASE-18342 Add coprocessor service support for async admin Major Client
HBASE-17922 TestRegionServerHostname always fails against hadoop 3.0.0-alpha2 Major hadoop3
HBASE-18365 Eliminate the findbugs warnings for hbase-common Major .
HBASE-18343 Track the remaining unimplemented methods for async admin Major Client
HBASE-18268 Eliminate the findbugs warnings for hbase-client Major Client
HBASE-18295 The result contains the cells across different rows Blocker Scanners
HBASE-18318 Implement updateConfiguration/stopMaster/stopRegionServer/shutdown methods Major Client
HBASE-18316 Implement async admin operations for draining region servers Major Client
HBASE-18317 Implement async admin operations for Normalizer/CleanerChore/CatalogJanitor Major Client
HBASE-18319 Implement getClusterStatus/getRegionLoad/getCompactionState/getLastMajorCompactionTimestamp methods Major Client
HBASE-18002 Investigate why bucket cache filling up in file mode in an exisiting file is slower Major BucketCache
HBASE-17201 Edit of HFileBlock comments and javadoc Major documentation
HBASE-18240 Add hbase-thirdparty, a project with hbase utility including an hbase-shaded-thirdparty module with guava, netty, etc. Major dependencies, shading
HBASE-18297 Provide a AsyncAdminBuilder to create new AsyncAdmin instance Major Client
HBASE-18314 Eliminate the findbugs warnings for hbase-examples Major .
HBASE-18264 Update pom plugins Major .
HBASE-18283 Provide a construct method which accept a thread pool for AsyncAdmin Major Client
HBASE-18293 Only add the spotbugs dependency when jdk8 is active Major build
HBASE-18239 Address ruby static analysis for shell module Major .
HBASE-14902 Revert some of the stringency recently introduced by checkstyle tightening Major .
HBASE-18272 Fix issue about RSGroupBasedLoadBalancer#roundRobinAssignment where BOGUS_SERVER_NAME is involved in two groups Major Balancer
HBASE-18234 Revisit the async admin api Major Client
HBASE-18221 Switch from pread to stream should happen under HStore's reentrant lock Major Scanners
HBASE-16242 Upgrade Avro to 1.7.7 Major dependencies
HBASE-18104 [AMv2] Enable aggregation of RPCs (assigns/unassigns, etc.) Major Region Assignment
HBASE-18213 Add documentation about the new async client Major asyncclient, Client, documentation
HBASE-18220 Compaction scanners need not reopen storefile scanners while trying to switch over from pread to stream Major Compaction
HBASE-17008 Examples to make AsyncClient go down easy Critical asyncclient, Client
HBASE-18109 Assign system tables first (priority) Critical Region Assignment
HBASE-18008 Any HColumnDescriptor we give out should be immutable Major .
HBASE-18190 Set version in branch-2 to 2.0.0-alpha-1 Major .
HBASE-18191 Include hbase-metrics-* in assembly Major .
HBASE-16392 Backup delete fault tolerance Major .
HBASE-15160 Put back HFile's HDFS op latency sampling code and add metrics for monitoring Critical .
HBASE-16549 Procedure v2 - Add new AM metrics Major proc-v2, Region Assignment
HBASE-15995 Separate replication WAL reading from shipping Major Replication
HBASE-17530 Readd TestMergeTableRegionsProcedure mistakenly removed by HBASE-16786 Critical test
HBASE-16543 Separate Create/Modify Table operations from open/reopen regions Major master
HBASE-16261 MultiHFileOutputFormat Enhancement Major hbase, mapreduce
HBASE-18115 Move SaslServer creation to HBaseSaslRpcServer Major IPC/RPC
HBASE-18114 Update the config of TestAsync*AdminApi to make test stable Major Client
HBASE-17066 Procedure v2 - Add handling of merge region transition to the new AM Major proc-v2, Region Assignment
HBASE-18091 Add API for who currently holds a lock on namespace/ table/ region and log when state is LOCK_EVENT_WAIT Major proc-v2
HBASE-18013 Write response directly instead of creating a fake call when setup connection Major IPC/RPC
HBASE-17850 Backup system repair utility Major .
HBASE-18068 Fix flaky test TestAsyncSnapshotAdminApi Major Client
HBASE-18016 Implement abort for TruncateTableProcedure Major proc-v2
HBASE-18018 Support abort for all procedures by default Major proc-v2
HBASE-16851 User-facing documentation for the In-Memory Compaction feature Major .
HBASE-16436 Add the CellChunkMap variant Major regionserver
HBASE-18012 Move RpcServer.Connection to a separated file Major IPC/RPC
HBASE-17938 General fault - tolerance framework for backup/restore operations Major .
HBASE-17786 Create LoadBalancer perf-tests (test balancer algorithm decoupled from workload) Major Balancer, proc-v2
HBASE-17887 Row-level consistency is broken for read Blocker regionserver
HBASE-17917 Use pread by default for all user scan and switch to streaming read if needed Major scan
HBASE-17977 Enabled Master observer to delete quotas on table deletion by default Major .
HBASE-17667 Implement async flush/compact region methods Major Admin, asyncclient, Client
HBASE-17978 Investigate hbase superuser permissions in the face of quota violation Major .
HBASE-17981 Roll list_quota_violations into list_quota_snapshots Major .
HBASE-17867 Implement async procedure RPC API(list/exec/abort/isFinished) Major Client
HBASE-17263 Netty based rpc server impl Major Performance, rpc
HBASE-17976 Remove stability annotation from public audience-marked classes Major .
HBASE-17955 Commit Reviewboard comments from Vlad Major .
HBASE-17920 TestFSHDFSUtils always fails against hadoop 3.0.0-alpha2 Major hadoop3
HBASE-17865 Implement async listSnapshot/deleteSnapshot methods. Major Client
HBASE-16942 Add FavoredStochasticLoadBalancer and FN Candidate generators Major FavoredNodes
HBASE-17873 Change the IA.Public annotation to IA.Private for unstable API Blocker API
HBASE-15583 Any HTableDescriptor we give out should be immutable Minor .
HBASE-15143 Procedure v2 - Web UI displaying queues Minor proc-v2, UI
HBASE-17952 The new options for PE tool do not work Major Performance, test
HBASE-16314 Retry on table snapshot failure during full backup Major .
HBASE-17864 Implement async snapshot/cloneSnapshot/restoreSnapshot methods Major Client
HBASE-17915 Implement async replication admin methods Major Client
HBASE-17929 Add more options for PE tool Major Performance, test
HBASE-16438 Create a cell type so that chunk id is embedded in it Major regionserver
HBASE-17925 mvn assembly:single fails against hadoop3-alpha2 Major hadoop3
HBASE-17866 Implement async setQuota/getQuota methods. Major Client
HBASE-17897 StripeStoreFileManager#nonOpenRowCompare use the wrong comparison function Major .
HBASE-17895 TestAsyncProcess#testAction fails if unsafe support is false Trivial test
HBASE-17896 The FIXED_OVERHEAD of Segment is incorrect Minor .
HBASE-16477 Remove Writable interface and related code from WALEdit/WALKey Major wal
HBASE-17872 The MSLABImpl generates the invaild cells when unsafe is not availble Critical .
HBASE-17881 Remove the ByteBufferCellImpl Minor test
HBASE-17858 Update refguide about the IS annotation if necessary Major API, documentation
HBASE-16217 Identify calling user in ObserverContext Major Coprocessors, security
HBASE-17857 Remove IS annotations from IA.Public classes Major API
HBASE-17859 ByteBufferUtils#compareTo is wrong Critical .
HBASE-17668 Implement async assgin/offline/move/unassign methods Major Admin, asyncclient, Client
HBASE-17855 Fix typo in async client implementation Major asyncclient, Client
HBASE-17844 Subset of HBASE-14614, Procedure v2: Core Assignment Manager (non-critical related changes) Major Region Assignment
HBASE-17520 Implement isTableEnabled/Disabled/Available methods Major Client
HBASE-17765 Reviving the merge possibility in the CompactingMemStore Major .
HBASE-13395 Remove HTableInterface Major API
HBASE-17669 Implement async mergeRegion/splitRegion methods. Major Admin, asyncclient, Client
HBASE-17809 cleanup unused class Major .
HBASE-17805 We should remove BoundedByteBufferPool because it is replaced by ByteBufferPool Minor .
HBASE-17447 Automatically delete quota when table is deleted Major .
HBASE-17003 Update book for filesystem use quotas Major documentation
HBASE-17794 Remove lingering "violation" in favor of the accurate "snapshot" Trivial .
HBASE-17691 Add ScanMetrics support for async scan Major Client
HBASE-15314 Allow more than one backing file in bucketcache Major BucketCache
HBASE-17790 Mark ReplicationAdmin's peerAdded and listReplicationPeers as Deprecated Minor Replication
HBASE-17740 Correct the semantic of batch and partial for async client Critical asyncclient, Client, scan
HBASE-17338 Treat Cell data size under global memstore heap size only when that Cell can not be copied to MSLAB Major regionserver
HBASE-17745 Support short circuit connection for master services Major .
HBASE-17600 Implement get/create/modify/delete/list namespace admin operations Major Client
HBASE-17002 [Master] Report quotas and active violations on Master UI and JMX metrics Major master, UI
HBASE-17568 Expire region reports in the HMaster Major .
HBASE-15484 Correct the semantic of batch and partial Blocker Client, scan
HBASE-17602 Tweak chore delay/period defaults Trivial .
HBASE-17516 Table quota not taking precedence over namespace quota Major .
HBASE-17646 Implement Async getRegion method Major asyncclient
HBASE-17662 Disable in-memory flush when replaying from WAL Major .
HBASE-17428 Expand on shell commands for detailed insight Major shell
HBASE-16991 Make the initialization of AsyncConnection asynchronous Minor Client
HBASE-17608 Add suspend support for RawScanResultConsumer Major asyncclient, Client, scan
HBASE-17561 table status page should escape values that may contain arbitrary characters. Major master, UI
HBASE-17210 Set timeout on trying rowlock according to client's RPC timeout Major .
HBASE-17478 Avoid sending FSUtilization reports to master when quota support is not enabled Trivial .
HBASE-17025 [Shell] Support space quota get/set via the shell Major shell
HBASE-17644 Always create ByteBufferCells after copying to MSLAB Major regionserver
HBASE-17619 Add async admin Impl which connect to RegionServer and implement close region methods. Major asyncclient
HBASE-17656 Move new Address class from util to net package Minor rsgroup
HBASE-17583 Add inclusive/exclusive support for startRow and endRow of scan for sync client Major Client, scan
HBASE-17259 Missing functionality to remove space quota Major .
HBASE-17001 [RegionServer] Implement enforcement of quota violation policies Major regionserver
HBASE-17575 Run critical tests with each of the Inmemory Compaction Policies enabled (Towards Making BASIC the Default In-Memory Compaction Policy) Major test
HBASE-17484 Add non cached version of OffheapKV for write path Major regionserver
HBASE-17389 Convert all internal usages from ReplicationAdmin to Admin Major .
HBASE-17402 TestAsyncTableScan sometimes hangs Major Client
HBASE-17350 Fixup of regionserver group-based assignment Critical regionserver, rsgroup
HBASE-16999 [Master] Inform RegionServers on size quota violations Major .
HBASE-17596 Implement add/delete/modify column family methods Major Client
HBASE-17349 Add doc for regionserver group-based assignment Critical regionserver, rsgroup
HBASE-17511 Implement enable/disable table methods Major Client
HBASE-17281 FN should use datanode port from hdfs configuration Minor FavoredNodes
HBASE-17198 FN updates during region merge (follow up to Procedure v2 merge) Major FavoredNodes
HBASE-17101 FavoredNodes should not apply to system tables Major FavoredNodes
HBASE-17346 Add coprocessor service support Major asyncclient, Client, Coprocessors
HBASE-17566 Jetty upgrade fixes Major REST, UI
HBASE-17562 Remove documentation for coprocessor execution times after HBASE-14205 Major Coprocessors, Performance, regionserver
HBASE-16998 [Master] Analyze table use reports and update quota violations Major .
HBASE-17557 HRegionServer#reportRegionSizesForQuotas() should respond to UnsupportedOperationException Major .
HBASE-17526 Procedure v2 - cleanup isSuspended from MasterProcedureScheduler#Queue Minor proc-v2
HBASE-17500 Implement getTable/creatTable/deleteTable/truncateTable methods Major Client
HBASE-17045 Unify the implementation of small scan and regular scan Major Client, scan
HBASE-17443 Move listReplicated/enableTableRep/disableTableRep methods from ReplicationAdmin to Admin Major .
HBASE-17492 Fix the compacting memstore part in hbase shell ruby script Major .
HBASE-17491 Remove all setters from HTable interface and introduce a TableBuilder to build Table instance Major .
HBASE-17067 Procedure v2 - remove tryAcquire*Lock and use wait/wake to make framework event based Major proc-v2
HBASE-17367 Make HTable#getBufferedMutator thread safe Major .
HBASE-17497 Add first async MetaTableAccessor impl and Implement tableExists method Major Client
HBASE-17498 Implement listTables and listTableNames methods Major Client
HBASE-16831 Procedure V2 - Remove org.apache.hadoop.hbase.zookeeper.lock Minor .
HBASE-16867 Procedure V2 - Check ACLs for remote HBaseLock Major .
HBASE-17480 Remove split region code from Region Server Major Region Assignment
HBASE-17396 Add first async admin impl and implement balance methods Major Client
HBASE-17483 Add equals/hashcode for OffheapKeyValue Major regionserver
HBASE-17081 Flush the entire CompactingMemStore content to disk Major .
HBASE-17372 Make AsyncTable thread safe Major asyncclient, Client
HBASE-16744 Procedure V2 - Lock procedures to allow clients to acquire locks on tables/namespaces/regions Major .
HBASE-17416 Use isEmpty instead of size() == 0 in hbase-protocol-shaded Minor .
HBASE-14061 Support CF-level Storage Policy Major HFile, regionserver
HBASE-17337 list replication peers request should be routed through master Major .
HBASE-12148 Remove TimeRangeTracker as point of contention when many threads writing a Store Major Performance
HBASE-15172 Support setting storage policy in bulkload Major .
HBASE-17388 Move ReplicationPeer and other replication related PB messages to the replication.proto Major Replication
HBASE-17409 Re-fix XSS request issue in JMXJsonServlet Major security, UI
HBASE-17410 Use isEmpty instead of size() == 0 in hbase-client Minor Client
HBASE-17373 Reverse the order of snapshot creation in the CompactingMemStore Major .
HBASE-17336 get/update replication peer config requests should be routed through master Major .
HBASE-17149 Procedure V2 - Fix nonce submission to avoid unnecessary calling coprocessor multiple times Major proc-v2
HBASE-17320 Add inclusive/exclusive support for startRow and endRow of scan Major Client, scan
HBASE-17090 Procedure v2 - fast wake if nothing else is running Major proc-v2
HBASE-17068 Procedure v2 - inherit region locks Major master, proc-v2
HBASE-16524 Procedure v2 - Compute WALs cleanup on wal modification and not on every sync Minor proc-v2
HBASE-17345 Implement batch Major asyncclient, Client
HBASE-17335 enable/disable replication peer requests should be routed through master Major .
HBASE-17334 Add locate row before/after support for AsyncRegionLocator Major Client
HBASE-17262 Refactor RpcServer so as to make it extendable and/or pluggable Major rpc
HBASE-11392 add/remove peer requests should be routed through master Critical .
HBASE-17107 FN info should be cleaned up on region/table cleanup Major FavoredNodes
HBASE-17142 Implement multi get Major asyncclient, Client
HBASE-17282 Reduce the redundant requests to meta table Major Client
HBASE-17148 Procedure v2 - add bulk proc submit Minor master, proc-v2
HBASE-16398 optimize HRegion computeHDFSBlocksDistribution Major regionserver
HBASE-15787 Change the flush related heuristics to work with offheap size configured Major regionserver
HBASE-17000 [RegionServer] Compute region filesystem space use and report to Master Major regionserver
HBASE-17316 Addendum to HBASE-17294, 'External Configuration for Memory Compaction' Major .
HBASE-17313 Add BufferedMutatorParams#clone method Major Client
HBASE-17277 Allow alternate BufferedMutator implementation Major .
HBASE-17294 External Configuration for Memory Compaction Major .
HBASE-16336 Removing peers seems to be leaving spare queues Major Replication
HBASE-17251 Add a timeout parameter when locating region Major asyncclient, Client
HBASE-16941 FavoredNodes - Split/Merge code paths Major FavoredNodes
HBASE-17260 Procedure v2 - Add setOwner() overload taking a User instance Trivial proc-v2
HBASE-16996 Implement storage/retrieval of filesystem-use quotas into quota table Major .
HBASE-17111 Use Apache CLI in SnapshotInfo tool Major .
HBASE-16648 [JDK8] Use computeIfAbsent instead of get and putIfAbsent Major Performance
HBASE-17167 Pass mvcc to client when scan Major Client, scan
HBASE-17012 Handle Offheap cells in CompressedKvEncoder Major regionserver
HBASE-17048 Calcuate suitable ByteBuf size when allocating send buffer in FanOutOneBlockAsyncDFSOutput Major wal
HBASE-17183 Handle ByteBufferCell while making TagRewriteCell Major regionserver
HBASE-17162 Avoid unconditional call to getXXXArray() in write path Major regionserver
HBASE-17169 Remove Cell variants with ShareableMemory Major regionserver
HBASE-16984 Implement getScanner Major Client
HBASE-15786 Create DBB backed MSLAB pool Major regionserver
HBASE-17141 Introduce a more user-friendly implementation of AsyncTable Major asyncclient, Client
HBASE-16995 Build client Java API and client protobuf messages Major Client
HBASE-17139 Remove sweep tool related configs from hbase-default.xml Major .
HBASE-16956 Refactor FavoredNodePlan to use regionNames as keys Minor FavoredNodes
HBASE-17085 AsyncFSWAL may issue unnecessary AsyncDFSOutput.sync Major wal
HBASE-16169 Make RegionSizeCalculator scalable Major mapreduce, scaling
HBASE-17073 Increase the max number of buffers in ByteBufferPool Major .
HBASE-17087 Enable Aliasing for CodedInputStream created by ByteInputByteString#newCodedInput Major regionserver
HBASE-17089 Add doc on experience running with hedged reads Major documentation
HBASE-15788 Use Offheap ByteBuffers from BufferPool to read RPC requests. Major regionserver
HBASE-16838 Implement basic scan Major asyncclient, Client
HBASE-17071 Do not initialize MemstoreChunkPool when use mslab option is turned off Major .
HBASE-16570 Compute region locality in parallel at startup Major .
HBASE-17053 Remove LogRollerExitedChecker Major wal
HBASE-17035 Check why we roll a wal writer at 10MB when the configured roll size is 120M+ with AsyncFSWAL Major wal
HBASE-17021 Use RingBuffer to reduce the contention in AsyncFSWAL Major wal
HBASE-16982 Better integrate Apache CLI in AbstractHBaseTool Major .
HBASE-17050 Upgrade Apache CLI version from 1.2 to 1.3.1 Minor .
HBASE-17030 Procedure v2 - A couple of tweaks to the SplitTableRegionProcedure Trivial proc-v2
HBASE-16937 Replace SnapshotType protobuf conversion when we can directly use the pojo object Trivial snapshots
HBASE-16892 Use TableName instead of String in SnapshotDescription Trivial snapshots
HBASE-16865 Procedure v2 - Inherit lock from root proc Major proc-v2
HBASE-16970 Clarify misleading Scan.java comment about caching Trivial .
HBASE-16986 Add note on how scanner caching has changed since 0.98 to refguid Minor documentation
HBASE-16608 Introducing the ability to merge ImmutableSegments without copy-compaction or SQM usage Major .
HBASE-16945 Implement AsyncRegionLocator Major Client
HBASE-16968 Refactor FanOutOneBlockAsyncDFSOutput Major io, wal
HBASE-16954 Unify HTable#checkAndDelete with AP Minor .
HBASE-16891 Try copying to the Netty ByteBuf directly from the WALEdit Major wal
HBASE-16932 Implement small scan Major Client
HBASE-16835 Revisit the zookeeper usage at client side Major Client, Zookeeper
HBASE-15709 Handle large edits for asynchronous WAL Critical io, wal
HBASE-15789 PB related changes to work with offheap Major regionserver
HBASE-16871 Procedure v2 - add waiting procs back to the queue after restart Major proc-v2
HBASE-16872 Implement mutateRow and checkAndMutate Major Client
HBASE-16874 Fix TestMasterFailoverWithProcedures and ensure single proc-executor for kill/restart tests Minor proc-v2
HBASE-16864 Procedure v2 - Fix StateMachineProcedure support for child procs at last step Major proc-v2
HBASE-16837 Implement checkAndPut and checkAndDelete Major Client
HBASE-16836 Implement increment and append Major Client
HBASE-16846 Procedure v2 - executor cleanup Minor proc-v2
HBASE-16834 Add AsyncConnection support for ConnectionFactory Major Client
HBASE-16839 Procedure v2 - Move all protobuf handling to ProcedureUtil Minor proc-v2
HBASE-16642 Procedure V2: Use DelayQueue instead of TimeoutBlockingQueue Minor proc-v2
HBASE-16813 Procedure v2 - Move ProcedureEvent to hbase-procedure module Major proc-v2
HBASE-16735 Procedure v2 - Fix yield while holding locks Major proc-v2
HBASE-16505 Save deadline in RpcCallContext according to request's timeout Major .
HBASE-15561 See how G1GC works with MSLAB and chunk pool Major .
HBASE-16802 Procedure v2 - group procedure cleaning Trivial proc-v2
HBASE-16146 Counters are expensive... Major metrics
HBASE-16788 Race in compacted file deletion between HStore close() and closeAndArchiveCompactedFiles() Blocker regionserver
HBASE-14734 BindException when setting up MiniKdc Major flakey, test
HBASE-15984 Given failure to parse a given WAL that was closed cleanly, replay the WAL. Critical Replication
HBASE-15721 Optimization in cloning cells into MSLAB Major regionserver
HBASE-16372 References to previous cell in read path should be avoided Blocker Scanners
HBASE-16759 Avoid ByteString.copyFrom usage wherever possible Major Protobufs
HBASE-16758 Bring back HBaseZeroCopyByteStringer stuff Major Protobufs
HBASE-16760 Deprecate ByteString related methods in Bytes.java Major Protobufs
HBASE-16741 Amend the generate protobufs out-of-band build step to include shade, pulling in protobuf source and a hook for patching protobuf Major Protobufs
HBASE-16264 Figure how to deal with endpoints and shaded pb Critical Coprocessors, Protobufs
HBASE-16742 Add chapter for devs on how we do protobufs going forward Major documentation
HBASE-16738 L1 cache caching shared memory HFile block when blocks promoted from L2 to L1 Major regionserver, Scanners
HBASE-16134 Introduce Cell extension for server side. Major regionserver
HBASE-16695 Procedure v2 - Support for parent holding locks Major proc-v2
HBASE-16587 Procedure v2 - Cleanup suspended proc execution Major proc-v2
HBASE-16651 LRUBlockCache#returnBlock should try return block to Victim Handler L2 cache. Major regionserver, Scanners
HBASE-16554 Procedure V2 - Recover 'updated' part of WAL tracker if trailer is corrupted. Major .
HBASE-7612 [JDK8] Replace use of high-scale-lib counters with intrinsic facilities Trivial metrics
HBASE-16534 Procedure v2 - Perf Tool for Scheduler Major proc-v2, tooling
HBASE-16586 Procedure v2 - Cleanup sched wait/lock semantic Major proc-v2
HBASE-16626 User customized RegionScanner from 1.X is incompatible with 2.0.0's off-heap part Major Offheaping
HBASE-16618 Procedure v2 - Add base class for table and ns procedures Minor master, proc-v2
HBASE-16229 Cleaning up size and heapSize calculation Major .
HBASE-16592 Unify Delete request with AP Major .
HBASE-16596 Reduce redundant interfaces in AsyncProcess Major .
HBASE-16530 Reduce DBE code duplication Major Performance
HBASE-16445 Refactor and reimplement RpcClient Major IPC/RPC, rpc
HBASE-16516 Revisit the implementation of PayloadCarryingRpcController Major rpc
HBASE-16101 Procedure v2 - Perf Tool for WAL Major proc-v2, tooling
HBASE-16311 Audit log for delete snapshot operation is missing in case of snapshot owner deleting the same Minor snapshots
HBASE-16519 Procedure v2 - Avoid sync wait on DDLs operation Major master, proc-v2
HBASE-16507 Procedure v2 - Force DDL operation to always roll forward Minor master, proc-v2
HBASE-16526 Add more ipc tests Major rpc, test
HBASE-16532 Procedure-V2: Enforce procedure ownership at submission Major proc-v2
HBASE-16531 Move cell block related code out of IPCUtil Major rpc
HBASE-16533 Procedure v2 - Extract chore from the executor Minor proc-v2
HBASE-16522 Procedure v2 - Cache system user and avoid IOException Major master, proc-v2
HBASE-16082 Procedure v2 - Move out helpers from MasterProcedureScheduler Trivial proc-v2
HBASE-16510 Reset RpcController before retry Major rpc
HBASE-16407 Handle MemstoreChunkPool size when HeapMemoryManager tunes memory Major .
HBASE-16433 Remove AsyncRpcChannel related stuffs Major rpc
HBASE-16474 Remove dfs.support.append related code and documentation Major fs, regionserver, wal
HBASE-16451 Procedure v2 - Test WAL protobuf entry size limit Minor proc-v2
HBASE-14921 Inmemory Compaction Optimizations; Segment Structure Major .
HBASE-16485 Procedure V2 - Add support to addChildProcedure() as last "step" in StateMachineProcedure Minor proc-v2
HBASE-16440 MemstoreChunkPool might cross its maxCount of chunks to pool Major .
HBASE-16318 fail build if license isn't in whitelist Major build, dependencies
HBASE-16452 Procedure v2 - Make ProcedureWALPrettyPrinter extend Tool Minor proc-v2
HBASE-16405 Change read path Bloom check to work with Cells with out any copy Major Compaction
HBASE-16094 Procedure v2 - Improve cleaning up of proc wals Major proc-v2
HBASE-16378 Procedure v2 - Make ProcedureException extend HBaseException Trivial proc-v2
HBASE-16404 Make DeleteBloomFilters work with BloomContext Minor Compaction
HBASE-15554 StoreFile$Writer.appendGeneralBloomFilter generates extra KV Major Performance
HBASE-16308 Contain protobuf references Major Protobufs
HBASE-16285 Drop RPC requests if it must be considered as timeout at client Major .
HBASE-16263 Move all to do w/ protobuf -- *.proto files and generated classes -- under hbase-protocol Major Protobufs
HBASE-16317 revert all ESAPI changes Blocker dependencies, security
HBASE-16286 When TagRewriteCell are not copied to MSLAB, deep clone it while adding to Memstore Major regionserver
HBASE-16280 Use hash based map in SequenceIdAccounting Major wal
HBASE-16205 When Cells are not copied to MSLAB, deep clone it while adding to Memstore Critical regionserver
HBASE-14552 Procedure V2: Reimplement DispatchMergingRegionHandler Major proc-v2
HBASE-16236 Typo in javadoc of InstancePending Trivial Zookeeper
HBASE-16233 Procedure V2: Support acquire/release shared table lock concurrently Major proc-v2
HBASE-16219 Move meta bootstrap out of HMaster Trivial master, Region Assignment
HBASE-15305 Fix a couple of incorrect anchors in HBase ref guide Major documentation
HBASE-16195 Should not add chunk into chunkQueue if not using chunk pool in HeapMemStoreLAB Major .
HBASE-16208 Make TableBasedReplicationQueuesImpl check that queue exists before attempting to remove it Major Replication
HBASE-16214 Add in UI description of Replication Table Minor Replication
HBASE-16092 Procedure v2 - complete child procedure support Minor proc-v2
HBASE-16194 Should count in MSLAB chunk allocation into heap size change when adding duplicate cells Major regionserver
HBASE-16176 Bug fixes/improvements on HBASE-15650 Remove TimeRangeTracker as point of contention when many threads reading a StoreFile Major Performance
HBASE-15935 Have a separate Walker task running concurrently with Generator Minor integration tests
HBASE-16162 Compacting Memstore : unnecessary push of active segments to pipeline Critical .
HBASE-15985 clarify promises about edits from replication in ref guide Major documentation, Replication
HBASE-16163 Compacting Memstore : CompactionPipeline#addFirst can use LinkedList#addFirst Minor .
HBASE-16164 Missing close of new compacted segments in few occasions which might leak MSLAB chunks from pool Critical .
HBASE-16155 Compacting Memstore : Few log improvements Minor .
HBASE-16153 Correct the config name 'hbase.memestore.inmemoryflush.threshold.factor' Trivial .
HBASE-16143 Change MemstoreScanner constructor to accept List<KeyValueScanner> Minor .
HBASE-16121 Require only MasterServices to the ServerManager constructor Trivial master
HBASE-16068 Procedure v2 - use consts for conf properties in tests Trivial proc-v2, test
HBASE-16083 Fix table based replication related configs Trivial Replication
HBASE-16080 Fix flakey tests Critical Replication
HBASE-16036 Fix ReplicationTableBase initialization to make it non-blocking Major Replication
HBASE-14878 maven archetype: client application with shaded jars Major build, Usability
HBASE-14877 maven archetype: client application Major build, Usability
HBASE-16056 Procedure v2 - fix master crash for FileNotFound Minor proc-v2
HBASE-16038 Ignore JVM crashes or machine shutdown failures in report-flakies Major .
HBASE-15999 NPE in MemstoreCompactor Critical .
HBASE-16034 Fix ProcedureTestingUtility#LoadCounter.setMaxProcId() Minor proc-v2, test
HBASE-15974 Create a ReplicationQueuesClientHBaseImpl Major Replication
HBASE-16023 Fastpath for the FIFO rpcscheduler Major Performance, rpc
HBASE-15525 OutOfMemory could occur when using BoundedByteBufferPool during RPC bursts Critical IPC/RPC
HBASE-15991 CompactingMemstore#InMemoryFlushRunnable should implement Comparable/Comparator Critical .
HBASE-15272 Add error handling for split and compact actions in table.jsp Major UI
HBASE-15994 Allow selection of RpcSchedulers Major .
HBASE-15107 Procedure V2 - Procedure Queue with Regions Major proc-v2
HBASE-15948 Port "HADOOP-9956 RPC listener inefficiently assigns connections to readers" Major IPC/RPC
HBASE-15174 Client Public API should not have PB objects in 2.0 Blocker .
HBASE-15883 Adding WAL files and tracking offsets in HBase. Major Replication
HBASE-15927 Remove HMaster.assignRegion() Trivial test
HBASE-15917 Flaky tests dashboard Major .
HBASE-15919 Document @Rule vs @ClassRule. Also clarify timeout limits are on TestCase. Minor .
HBASE-15915 Set timeouts on hanging tests Major .
HBASE-15896 Add timeout tests to flaky list from report-flakies.py Major test
HBASE-14920 Compacting Memstore Major .
HBASE-15872 Split TestWALProcedureStore Trivial proc-v2, test
HBASE-15865 Move TestTableDeleteFamilyHandler and TestTableDescriptorModification handler tests to procedure Trivial test
HBASE-15651 Add report-flakies.py to use jenkins api to get failing tests Major .
HBASE-15825 Fix the null pointer in DynamicLogicExpressionSuite Major .
HBASE-15813 Rename DefaultWALProvider to a more specific name and clean up unnecessary reference to it Major wal
HBASE-15785 Unnecessary lock in ByteBufferArray Major regionserver, Scanners
HBASE-15740 Replication source.shippedKBs metric is undercounting because it is in KB Major .
HBASE-15776 Replace master.am.getTableStateManager() with the direct master.getTableStateManager() Trivial master
HBASE-15778 replace master.am and master.sm direct access with getter calls Trivial master
HBASE-15743 Add Transparent Data Encryption support for FanOutOneBlockAsyncDFSOutput Major wal
HBASE-15763 Isolate Wal related stuff from MasterFileSystem Trivial master, wal
HBASE-15754 Add testcase for AES encryption Major wal
HBASE-15337 Document date tiered compaction in the book Major documentation
HBASE-15675 Add more details about region on table.jsp Major .
HBASE-15658 RegionServerCallable / RpcRetryingCaller clear meta cache on retries Critical Client
HBASE-15735 Tightening of the CP contract Major regionserver, Scanners
HBASE-15477 Do not save 'next block header' when we cache hfileblocks Major BlockCache, Performance
HBASE-15689 Changes to hbase-personality.sh to include/exclude flaky tests Major .
HBASE-15628 Implement an AsyncOutputStream which can work with any FileSystem implementation Major .
HBASE-15579 Procedure V2 - Remove synchronized around nonce in Procedure submit Trivial proc-v2
HBASE-15392 Single Cell Get reads two HFileBlocks Major BucketCache
HBASE-15671 Add per-table metrics on memstore, storefile and regionsize Major .
HBASE-15366 Add doc, trace-level logging, and test around hfileblock Major BlockCache
HBASE-15683 Min latency in latency histograms are emitted as Long.MAX_VALUE Major .
HBASE-15368 Add pluggable window support Major Compaction
HBASE-15663 Hook up JvmPauseMonitor to ThriftServer Major metrics, Thrift
HBASE-15662 Hook up JvmPauseMonitor to REST server Major metrics, REST
HBASE-15518 Add Per-Table metrics back Major .
HBASE-15640 L1 cache doesn't give fair warning that it is showing partial stats only when it hits limit Major BlockCache
HBASE-15386 PREFETCH_BLOCKS_ON_OPEN in HColumnDescriptor is ignored Major BucketCache
HBASE-15665 Support using different StoreFileComparators for different CompactionPolicies Major Compaction
HBASE-15527 Refactor Compactor related classes Major Compaction
HBASE-15407 Add SASL support for fan out OutputStream Major util, wal
HBASE-15380 Purge rollback support in Store etc. Major .
HBASE-15537 Make multi WAL work with WALs other than FSHLog Major .
HBASE-15400 Use DateTieredCompactor for Date Tiered Compaction Major Compaction
HBASE-15369 Handle NPE in region.jsp Minor UI
HBASE-15505 ReplicationPeerConfig should be builder-style Major .
HBASE-15293 Handle TableNotFound and IllegalArgument exceptions in table.jsp Major UI
HBASE-15538 Implement secure async protobuf wal writer Major wal
HBASE-15389 Write out multiple files when compaction Major Compaction
HBASE-15384 Avoid using '/tmp' directory in TestBulkLoad Major test
HBASE-15524 Fix NPE in client-side metrics Critical Client, metrics
HBASE-15495 Connection leak in FanOutOneBlockAsyncDFSOutputHelper Major .
HBASE-15416 TestHFileBackedByBucketCache is flakey since it went in Critical BucketCache
HBASE-15412 Add average region size metric Major .
HBASE-15488 Add ACL for setting split merge switch Major .
HBASE-15464 Flush / Compaction metrics revisited Major metrics
HBASE-15460 Fix infer issues in hbase-common Major .
HBASE-15479 No more garbage or beware of autoboxing Major Client
HBASE-15334 Add avro support for spark hbase connector Major .
HBASE-15390 Unnecessary MetaCache evictions cause elevated number of requests to meta Blocker Client
HBASE-15180 Reduce garbage created while reading Cells from Codec Decoder Major regionserver
HBASE-15435 Add WAL (in bytes) written metric Major .
HBASE-15113 Procedure v2 - Speedup eviction of sys operation results Minor proc-v2
HBASE-15422 Procedure v2 - Avoid double yield Major proc-v2
HBASE-15421 Convert TestStoreScanner to junit4 from junit3 and clean up close of scanners Minor test
HBASE-15354 Use same criteria for clearing meta cache for all operations Major Client
HBASE-15373 DEPRECATED_NAME_OF_NO_LIMIT_THROUGHPUT_CONTROLLER_CLASS value is wrong in CompactionThroughputControllerFactory Minor Compaction
HBASE-15375 Do not write to '/tmp' in TestRegionMover Major test
HBASE-15359 Simplifying Segment hierarchy Major .
HBASE-15371 Procedure V2 - Completed support parent-child procedure Major proc-v2
HBASE-15365 Do not write to '/tmp' in TestHBaseConfiguration Major test
HBASE-15346 add 1.3 RM to docs Major documentation
HBASE-15351 Fix description of hbase.bucketcache.size in hbase-default.xml Major documentation
HBASE-15205 Do not find the replication scope for every WAL#append() Minor regionserver
HBASE-15311 Prevent NPE in BlockCacheViewTmpl Major UI
HBASE-15144 Procedure v2 - Web UI displaying Store state Minor proc-v2, UI
HBASE-15264 Implement a fan out HDFS OutputStream Major util, wal
HBASE-15016 StoreServices facility in Region Major .
HBASE-15232 Exceptions returned over multi RPC don't automatically trigger region location reloads Major Client
HBASE-14949 Resolve name conflict when splitting if there are duplicated WAL entries Major wal
HBASE-15270 Use appropriate encoding for "filter" field in TaskMonitorTmpl.jamon Major UI
HBASE-15263 TestIPv6NIOServerSocketChannel.testServerSocketFromLocalhostResolution can hang indefinetly Major .
HBASE-15244 More doc around native lib setup and check and crc Major documentation, Performance
HBASE-15203 Reduce garbage created by path.toString() during Checksum verification Minor regionserver
HBASE-14919 Infrastructure refactoring for In-Memory Flush Major .
HBASE-15204 Try to estimate the cell count for adding into WALEdit Major regionserver
HBASE-15239 Remove unused LoadBalancer.immediateAssignment() Trivial Balancer
HBASE-15238 HFileReaderV2 prefetch overreaches; runs off the end of the data Major .
HBASE-15046 Perf test doing all mutation steps under row lock Major Performance
HBASE-15158 Change order in which we do write pipeline operations; do all under row locks! Major Performance
HBASE-15163 Add sampling code and metrics for get/scan/multi/mutate count separately Major .
HBASE-15157 Add *PerformanceTest for Append, CheckAnd* Major Performance, test
HBASE-15094 Selection of WAL files eligible for incremental backup is broken Major .
HBASE-15210 Undo aggressive load balancer logging at tens of lines per millisecond Major Balancer
HBASE-15202 Reduce garbage while setting response Minor regionserver
HBASE-15194 TestStochasticLoadBalancer.testRegionReplicationOnMidClusterSameHosts flaky on trunk Major flakey, test
HBASE-14841 Allow Dictionary to work with BytebufferedCells Major regionserver, Scanners
HBASE-15142 Procedure v2 - Basic WebUI listing the procedures Minor proc-v2, UI
HBASE-15171 Avoid counting duplicate kv and generating lots of small hfiles in PutSortReducer Major .
HBASE-15106 Procedure V2 - Procedure Queue pass Procedure for better debuggability Major proc-v2
HBASE-14221 Reduce the number of time row comparison is done in a Scan Major Scanners
HBASE-15118 Fix findbugs complaint in hbase-server Major build
HBASE-15115 Fix findbugs complaints in hbase-client Major build
HBASE-14962 TestSplitWalDataLoss fails on all branches Blocker test
HBASE-15114 NPE when IPC server ByteBuffer reservoir is turned off Major .
HBASE-15105 Procedure V2 - Procedure Queue with Namespaces Major proc-v2
HBASE-14837 Procedure V2 - Procedure Queue Improvement Minor proc-v2
HBASE-15095 isReturnResult=false on fast path in branch-1.1 and branch-1.0 is not respected Major Performance
HBASE-15087 Fix hbase-common findbugs complaints Major build
HBASE-15077 Support OffheapKV write in compaction with out copying data on heap Major regionserver, Scanners
HBASE-12593 Tags to work with ByteBuffer Major regionserver, Scanners
HBASE-14488 Procedure V2 - shell command to abort a procedure Major proc-v2
HBASE-14487 Procedure V2 - shell command to list all procedures Major proc-v2, shell
HBASE-14108 Procedure V2 - Administrative Task: provide an API to abort a procedure Major proc-v2
HBASE-14432 Procedure V2 - enforce ACL on procedure admin tasks Major proc-v2
HBASE-14107 Procedure V2 - Administrative Task: Provide an API to List all procedures Major proc-v2
HBASE-15023 Reenable TestShell and TestStochasticLoadBalancer Major test
HBASE-14908 TestRowCounter flakey especially on branch-1 Major flakey, test
HBASE-14863 Add missing test/resources/log4j files in hbase modules Trivial test
HBASE-14947 Procedure V2 - WALProcedureStore improvements Blocker proc-v2
HBASE-14895 Seek only to the newly flushed file on scanner reset on flush Major .
HBASE-14655 Narrow the scope of doAs() calls to region observer notifications for compaction Blocker Coprocessors, security
HBASE-14631 Region merge request should be audited with request user through proper scope of doAs() calls to region observer notifications Blocker Coprocessors, security
HBASE-14605 Split fails due to 'No valid credentials' error when SecureBulkLoadEndpoint#start tries to access hdfs Blocker Coprocessors, security
HBASE-14772 Improve zombie detector; be more discerning Major test
HBASE-14884 TestSplitTransactionOnCluster.testSSHCleanupDaugtherRegionsOfAbortedSplit is flakey Major flakey, test
HBASE-14909 NPE testing for RIT Major test
HBASE-14575 Relax region read lock for compactions Major Compaction, regionserver
HBASE-14819 hbase-it tests failing with OOME; permgen Major test
HBASE-14832 Ensure write paths work with ByteBufferedCells in case of compaction Minor regionserver, Scanners
HBASE-14798 NPE reporting server load causes regionserver abort; causes TestAcidGuarantee to fail Major test
HBASE-14794 Cleanup TestAtomicOperation, TestImportExport, and TestMetaWithReplicas Major flakey, test
HBASE-14785 Hamburger menu for mobile site Major website
HBASE-14786 TestProcedureAdmin hangs Major hangingTests, test
HBASE-14589 Looking for the surefire-killer; builds being killed...ExecutionException: java.lang.RuntimeException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called? Major test
HBASE-14725 Vet categorization of tests so they for sure go into the right small/medium/large buckets Major test
HBASE-14638 Move Jython info from the Wiki to the Ref Guide Major documentation
HBASE-14639 Move Scala info from Wiki to Ref Guide Major documentation
HBASE-13478 Document the change of default master ports being used . Minor documentation
HBASE-14641 Move JDO example from Wiki to Ref Guide Major documentation
HBASE-14640 Move Cascading info from Wiki to Ref Guide Major documentation
HBASE-14720 Make TestHCM and TestMetaWithReplicas large tests rather than mediums Major hangingTests, test
HBASE-14710 Add category-based timeouts to MR tests Major hangingTests, mapreduce, test
HBASE-14709 Parent change breaks graceful_stop.sh on a cluster Major Operability
HBASE-14702 TestZKProcedureControllers.testZKCoordinatorControllerWithSingleMemberCohort is a flakey Major flakey, test
HBASE-14698 Set category timeouts on TestScanner and TestNamespaceAuditor Major test
HBASE-14648 Reenable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication Critical test
HBASE-14685 Procedure Id is not set for MasterRpcServices#modifyTable Major master, proc-v2
HBASE-14535 Integration test for rpc connection concurrency / deadlock testing Major IPC/RPC
HBASE-14657 Remove unneeded API from EncodedSeeker Major io
HBASE-13538 Procedure v2 - client add/delete/modify column family sync (incompatible with branch-1.x) Major proc-v2
HBASE-14662 Fix NPE in HFileOutputFormat2 Major .
HBASE-14636 Clear HFileScannerImpl#prevBlocks in between Compaction flow Blocker regionserver, Scanners
HBASE-14595 For Wiki contents that are also in the Ref Guide, replace content with a URL Major documentation
HBASE-14646 Move TestCellACLs from medium to large category Minor test
HBASE-14647 Disable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication Major test
HBASE-14637 Loosen TestChoreService assert AND have TestDataBlockEncoders do less work (and add timeouts) Major test
HBASE-14627 Move Stargate docs to Ref Guide Major documentation
HBASE-14607 Convert SupportingProjects wiki page to a site page Major documentation
HBASE-14570 Split TestHBaseFsck in order to help with hanging tests Major test
HBASE-14602 Convert HBasePoweredBy Wiki page to a hbase.apache.org page Major documentation
HBASE-14596 TestCellACLs failing... on1.2 builds Major test
HBASE-14600 Make #testWalRollOnLowReplication looser still Major test
HBASE-13819 Make RPC layer CellBlock buffer a DirectByteBuffer Major Scanners
HBASE-14558 Document ChaosMonkey enhancements from HBASE-14261 Major documentation
HBASE-14590 Shorten ByteBufferedCell#getXXXPositionInByteBuffer method name Major regionserver, Scanners
HBASE-14585 Clean up TestSnapshotCloneIndependence Major flakey, test
HBASE-14567 Tuneup hanging test TestMobCompactor and TestMobSweeper Major test
HBASE-14572 TestImportExport#testImport94Table can't find its src data file Major test
HBASE-14571 Purge TestProcessBasedCluster; it does nothing and then fails Major test
HBASE-14519 Purge TestFavoredNodeAssignmentHelper, a test for an abandoned feature that can hang Major test
HBASE-14563 Disable zombie TestHFileOutputFormat2 Major test
HBASE-14561 Disable zombie TestReplicationShell Major test
HBASE-14559 branch-1 test tweeks; disable assert explicit region lands post-restart and up a few handlers Major test
HBASE-14480 Small optimization in SingleByteBuff Major regionserver, Scanners
HBASE-14539 Slight improvement of StoreScanner.optimize Minor Performance, Scanners
HBASE-14543 Have findHangingTests.py dump more info Major tooling
HBASE-14513 TestBucketCache runs obnoxious 1k threads in a unit test Major test
HBASE-14495 TestHRegion#testFlushCacheWhileScanning goes zombie Major test
HBASE-14507 Disable TestDistributedLogSplitting#testWorkerAbort Its flakey with tenuous chance of success Major test
HBASE-14398 Create the fake keys required in the scan path to avoid copy to byte[] Major .
HBASE-14430 TestHttpServerLifecycle#testStartedServerIsAlive times out Major test
HBASE-14212 Add IT test for procedure-v2-based namespace DDL Major proc-v2
HBASE-14051 Undo workarounds in IntegrationTestDDLMasterFailover for client double submit Major master
HBASE-12748 RegionCoprocessorHost.execOperation creates too many iterator objects Major .
HBASE-14378 Get TestAccessController* passing again on branch-1 Major .
HBASE-14484 Follow-on from HBASE-14421, just disable TestFastFail* until someone digs in and fixes it Major test
HBASE-14464 Removed unused fs code Minor regionserver
HBASE-14472 TestHCM and TestRegionServerNoMaster fixes Minor test
HBASE-14147 REST Support for Namespaces Minor REST
HBASE-14447 Spark tests failing: bind exception when putting up info server Minor test
HBASE-14278 Fix NPE that is showing up since HBASE-14274 went in Major test
HBASE-14433 Set down the client executor core thread count from 256 in tests Major test
HBASE-14401 Stamp failed appends with sequenceid too.... Cleans up latches Major test, wal
HBASE-14435 thrift tests don't have test-specific hbase-site.xml so 'BindException: Address already in use' because info port is not turned off Major test
HBASE-14428 Upgrade our surefire-plugin from 2.18 to 2.18.1 Major test
HBASE-14421 TestFastFail* are flakey Major test
HBASE-14423 TestStochasticBalancerJmxMetrics.testJmxMetrics_PerTableMode:183 NullPointer Major test
HBASE-14395 Short circuit last byte check in CellUtil#matchingXXX methods for ByteBufferedCells Major regionserver, Scanners
HBASE-14368 New TestWALLockup broken by addendum added to parent issue Major test
HBASE-14322 Master still not using more than it's priority threads Major IPC/RPC, master
HBASE-13212 Procedure V2 - master Create/Modify/Delete namespace Major master
HBASE-14239 Branch-1.2 AM can get stuck when meta moves Major Region Assignment
HBASE-14274 Deadlock in region metrics on shutdown: MetricsRegionSourceImpl vs MetricsRegionAggregateSourceImpl Major test
HBASE-14186 Read mvcc vlong optimization Major Performance, Scanners
HBASE-14144 Bloomfilter path to work with Byte buffered cells Major regionserver, Scanners
HBASE-14087 ensure correct ASF policy compliant headers on source/docs Blocker build
HBASE-14202 Reduce garbage we create Major regionserver, Scanners
HBASE-14105 Add shell tests for Snapshot Major test
HBASE-14188 Read path optimizations after HBASE-11425 profiling Major Scanners
HBASE-14176 Add missing headers to META-INF files Trivial build
HBASE-14086 remove unused bundled dependencies Blocker documentation
HBASE-14063 Use BufferBackedCell in read path after HBASE-12213 and HBASE-12295 Major regionserver, Scanners
HBASE-12295 Prevent block eviction under us if reads are in progress from the BBs Major regionserver, Scanners
HBASE-14116 Change ByteBuff.getXXXStrictlyForward to relative position based reads Major .
HBASE-12374 Change DBEs to work with new BB based cell Major regionserver, Scanners
HBASE-14120 ByteBufferUtils#compareTo small optimization Major regionserver, Scanners
HBASE-14104 Add vectorportal.com to NOTICES.txt as src of our logo Major documentation
HBASE-14102 Add thank you to our thanks page for vectorportal.com Major .
HBASE-12015 Not cleaning Mob data when Mob CF is removed from table Major .
HBASE-13993 WALProcedureStore fencing is not effective if new WAL rolls Major master
HBASE-13387 Add ByteBufferedCell an extension to Cell Major regionserver, Scanners
HBASE-13832 Procedure V2: master fail to start due to WALProcedureStore sync failures when HDFS data nodes count is low Blocker master, proc-v2
HBASE-13415 Procedure V2 - Use nonces for double submits from client Blocker master
HBASE-14017 Procedure v2 - MasterProcedureQueue fix concurrency issue on table queue deletion Blocker proc-v2
HBASE-14020 Unsafe based optimized write in ByteBufferOutputStream Major Scanners
HBASE-13998 Remove CellComparator#compareRows(byte[] left, int loffset, int llength, byte[] right, int roffset, int rlength) Major .
HBASE-13977 Convert getKey and related APIs to Cell Major .
HBASE-14013 Retry when RegionServerNotYetRunningException rather than go ahead with assign so for sure we don't skip WAL replay Major Region Assignment
HBASE-13975 add 1.2 RM to docs Major documentation
HBASE-13911 add 1.2 to prereq tables in ref guide Blocker documentation
HBASE-13990 clean up remaining errors for maven site goal Major documentation
HBASE-14003 work around jdk8 spec bug in WALPerfEval Critical test
HBASE-13939 Make HFileReaderImpl.getFirstKeyInBlock() to return a Cell Minor .
HBASE-13614 Avoid temp KeyOnlyKeyValue temp objects creations in read hot path Critical .
HBASE-12345 Unsafe based ByteBuffer Comparator Major regionserver, Scanners
HBASE-13922 Do not reset mvcc in compactions for mob-enabled column Major mob
HBASE-13968 Remove deprecated methods from BufferedMutator class Major API
HBASE-13973 Update documentation for 10070 Phase 2 changes Major .
HBASE-13967 add jdk profiles for jdk.tools dependency Major .
HBASE-13950 Add a NoopProcedureStore for testing Trivial proc-v2
HBASE-13920 Exclude Java files generated from protobuf from javadoc Minor .
HBASE-13932 Add mob integrity check in HFilePrettyPrinter Major mob
HBASE-13898 correct additional javadoc failures under java 8 Minor documentation
HBASE-13728 Remove use of Hadoop's GenericOptionsParser Blocker .
HBASE-13448 New Cell implementation with cached component offsets/lengths Blocker Scanners
HBASE-13926 Close the scanner only after Call#setResponse Major regionserver, Scanners
HBASE-13916 Create MultiByteBuffer an aggregation of ByteBuffers Major regionserver, Scanners
HBASE-13470 High level Integration test for master DDL operations Major master
HBASE-13886 Return empty value when the mob file is corrupt instead of throwing exceptions Major mob
HBASE-13910 add branch-1.2 to precommit branches Major build
HBASE-13899 Jacoco instrumentation fails under jdk8 Major build, test
HBASE-13569 correct errors reported with mvn site Minor documentation
HBASE-13855 Race in multi threaded PartitionedMobCompactor causes NPE Critical mob
HBASE-13871 Change RegionScannerImpl to deal with Cell instead of byte[], int, int Major regionserver, Scanners
HBASE-13836 Do not reset the mvcc for bulk loaded mob reference cells in reading Major mob
HBASE-13451 Make the HFileBlockIndex blockKeys to Cells so that it could be easy to use in the CellComparators Major .
HBASE-13856 Wrong mob metrics names in TestRegionServerMetrics Major mob
HBASE-13806 Check the mob files when there are mob-enabled columns in HFileCorruptionChecker Major mob
HBASE-13827 Delayed scanner close in KeyValueHeap and StoreScanner Major regionserver, Scanners
HBASE-13817 ByteBufferOuputStream - add writeInt support Major Scanners
HBASE-13804 Revert the changes in pom.xml Major mob
HBASE-13803 Disable the MobCompactionChore when the interval is not larger than 0 Major mob
HBASE-13805 Use LimitInputStream in hbase-common instead of ProtobufUtil.LimitedInputStream Major mob
HBASE-13759 Improve procedure yielding Trivial proc-v2
HBASE-13790 Remove the DeleteTableHandler Major mob
HBASE-13616 Move ServerShutdownHandler to Pv2 Major proc-v2
HBASE-13476 Procedure V2 - Add Replay Order logic for child procedures Major proc-v2
HBASE-13763 Handle the rename, annotation and typo stuff in MOB Major mob
HBASE-13754 Allow non KeyValue Cell types also to oswrite Major Scanners
HBASE-13393 Optimize memstore flushing to avoid writing tag information to hfiles when no tags are present. Major HFile, Performance
HBASE-13658 Improve the test run time for TestAccessController class Major test
HBASE-13762 Use the same HFileContext with store files in mob files Major mob
HBASE-13720 Mob files are not encrypting in mob compaction and Sweeper Major regionserver, Scanners
HBASE-13739 Remove KeyValueUtil.ensureKeyValue(cell) from MOB code. Major mob
HBASE-13641 Deperecate Filter#filterRowKey(byte[] buffer, int offset, int length) in favor of filterRowKey(Cell firstRowCell) Major Filters, regionserver, Scanners
HBASE-13736 Add delay for the first execution of ExpiredMobFileCleanerChore and MobFileCompactorChore Major mob
HBASE-13642 Deprecate RegionObserver#postScannerFilterRow CP hook with byte[],int,int args in favor of taking Cell arg Major Coprocessors, regionserver, Scanners
HBASE-13679 Change ColumnTracker and SQM to deal with Cell instead of byte[], int, int Major regionserver, Scanners
HBASE-13531 Flakey failures of TestAcidGuarantees#testMobScanAtomicity Major regionserver, Scanners
HBASE-13510 Purge ByteBloomFilter Major .
HBASE-13398 Document HBase Quota Major documentation
HBASE-13201 Remove HTablePool from thrift-server Major .
HBASE-13571 Procedure v2 - client modify table sync (incompatible with branch-1.x) Minor proc-v2
HBASE-13593 Quota support for namespace should take snapshot restore and clone into account Major snapshots
HBASE-13620 Bring back the removed VisibilityClient methods and mark them as deprecated. Minor .
HBASE-13464 Remove deprecations for 2.0.0 - Part 1 Major .
HBASE-13501 Deprecate/Remove getComparator() in HRegionInfo. Major .
HBASE-13497 Remove MVCC stamps from HFile when that is safe Major Scanners
HBASE-13184 Document turning off memstore for region replicas Critical documentation, Replication
HBASE-13537 Procedure V2 - Change the admin interface for async operations to return Future (incompatible with branch-1.x) Major proc-v2
HBASE-13572 Procedure v2 - client truncate table sync (incompatible with branch-1.x) Minor proc-v2
HBASE-13551 Procedure V2 - Procedure classes should not be InterfaceAudience.Public Blocker master
HBASE-13563 Add missing table owner to AC tests. Minor .
HBASE-13466 Document deprecations in 1.x - Part 1 Major .
HBASE-13536 Cleanup the handlers that are no longer being used. Major proc-v2
HBASE-13450 Purge RawBytescomparator from the writers and readers for HBASE-10800 Major .
HBASE-13529 Procedure v2 - WAL Improvements Blocker proc-v2
HBASE-13496 Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable Major Scanners
HBASE-13502 Deprecate/remove getRowComparator() in TableName Major .
HBASE-13515 Handle FileNotFoundException in region replica replay for flush/compaction events Major .
HBASE-13514 Fix test failures in TestScannerHeartbeatMessages caused by incorrect setting of hbase.rpc.timeout Minor .
HBASE-13498 Add more docs and a basic check for storage policy handling Minor wal
HBASE-13481 Master should respect master (old) DNS/bind related configurations Major .
HBASE-13307 Making methods under ScannerV2#next inlineable, faster Major Scanners
HBASE-13455 Procedure V2 - master truncate table Minor master
HBASE-13290 Procedure v2 - client enable/disable table sync Major Client
HBASE-13211 Procedure V2 - master Enable/Disable table Major master
HBASE-13210 Procedure V2 - master Modify table Major master
HBASE-13209 Procedure V2 - master Add/Modify/Delete Column Family Major master
HBASE-13204 Procedure v2 - client create/delete table sync Minor master
HBASE-13203 Procedure v2 - master create/delete table Minor master
HBASE-13202 Procedure v2 - core framework Major master, proc-v2
HBASE-13447 Bypass logic in TimeRange.compare Minor Scanners
HBASE-13313 Skip the disabled table in mob compaction chore and MasterRpcServices Major regionserver, Scanners
HBASE-13429 Remove deprecated seek/reseek methods from HFileScanner Major regionserver, Scanners
HBASE-13421 Reduce the number of object creations introduced by HBASE-11544 in scan RPC hot code paths Major .
HBASE-13302 fix new javadoc warns introduced by mob. Major regionserver, Scanners
HBASE-13277 add mob_threshold option to load test tool Major regionserver, Scanners
HBASE-13252 Get rid of managed connections and connection caching Major API
HBASE-13335 Update ClientSmallScanner and ClientSmallReversedScanner Major Client
HBASE-13213 Split out locality metrics among primary and secondary region Major .
HBASE-13303 Fix size calculation of results on the region server Major Client
HBASE-13332 Fix the usage of doAs/runAs in Visibility Controller tests. Major .
HBASE-13327 Use Admin in ConnectionCache Major .
HBASE-13258 Promote TestHRegion to LargeTests Major test
HBASE-13006 Document visibility label support for groups Minor .
HBASE-13230 [mob] reads hang when trying to read rows with large mobs (>10MB) Major mob
HBASE-13244 Test delegation token generation with kerberos enabled Major security, test
HBASE-13226 Document enable_table_replication and disable_table_replication shell commands Minor documentation
HBASE-13169 ModifyTable increasing the region replica count should also auto-setup RRRE Major .
HBASE-13121 Async wal replication for region replicas and dist log replay does not work together Major .
HBASE-13095 Document how to retrieve replication stats from HBase Shell Major documentation, Replication
HBASE-13164 Update TestUsersOperationsWithSecureHadoop to use MiniKdc Major security, test
HBASE-12562 Handling memory pressure for secondary region replicas Major .
HBASE-13151 IllegalArgumentException in compaction when table has a namespace Major regionserver, Scanners
HBASE-13107 Refactor MOB Snapshot logic to reduce code duplication. Major mob, snapshots
HBASE-13157 Add mob compaction actions and monkeys to Chaos Monkey Major integration tests, mob
HBASE-12332 [mob] improve how we resolve mobfiles in reads Major mob
HBASE-13154 Add support for mob in TestAcidGuarantees and IntegrationTestAcidGuarantees Major integration tests, mob
HBASE-13012 Add shell commands to trigger the mob file compactor Major regionserver, Scanners
HBASE-11580 Failover handling for secondary region replicas Major .
HBASE-13152 NPE in ExpiredMobFileCleanerChore Major regionserver, Scanners
HBASE-11571 Bulk load handling from secondary region replicas Major .
HBASE-12670 Add unit tests that exercise the added hfilelink link mob paths Major regionserver, Scanners
HBASE-13130 Add timeouts on TestMasterObserver, a frequent zombie show Major test
HBASE-13117 improve mob sweeper javadoc Major mob
HBASE-13067 Fix caching of stubs to allow IP address changes of restarted remote servers Major .
HBASE-12561 Replicas of regions can be cached from different instances of the table in MetaCache Major .
HBASE-12714 RegionReplicaReplicationEndpoint should not set the RPC Codec Major .
HBASE-11842 Integration test for async wal replication to secondary regions Major .
HBASE-13013 Add read lock to ExpiredMobFileCleanerChore Major master
HBASE-12425 Document the phases of the split transaction Major documentation
HBASE-11569 Flush / Compaction handling from secondary region replicas Major .
HBASE-11910 Document Premptive Call Me Maybe HBase findings in the online manual Major .
HBASE-11567 Write bulk load COMMIT events to WAL Major .
HBASE-11568 Async WAL replication for region replicas Major .
HBASE-11861 Native MOB Compaction mechanisms. Major regionserver, Scanners
HBASE-10942 support parallel request cancellation for multi-get Major .
HBASE-12936 Quota support for namespace should take region merge into account Major .
HBASE-11574 hbase:meta's regions can be replicated Major .
HBASE-11908 Region replicas should be added to the meta table at the time of table creation Major .
HBASE-7847 Use zookeeper multi to clear znodes Major .
HBASE-12669 Have compaction scanner save info about delete markers Major regionserver, Scanners
HBASE-8410 Basic quota support for namespaces Major .
HBASE-12820 Use table lock instead of MobZookeeper Major regionserver, Scanners
HBASE-12848 Utilize Flash storage for WAL Major .
HBASE-12708 Document newly introduced params for using Thrift-over-HTTPS. Minor documentation, Thrift
HBASE-11533 AsciiDoctor POC Minor build, documentation
HBASE-12695 JDK 1.8 compilation broken Critical build
HBASE-12331 Shorten the mob snapshot unit tests Major mob
HBASE-12698 Add mob cell count to the metadata of each mob file Major regionserver
HBASE-12758 treat mob region as any other region when generating rs manifest. Major mob, snapshots
HBASE-12012 Improve cancellation for the scan RPCs Major .
HBASE-12738 Chunk Ref Guide into file-per-chapter Major documentation
HBASE-12528 Document the newly introduced params for providing principal and keytabs. Minor documentation
HBASE-12691 sweep job needs to exit non-zero if job fails for any reason. Major mob
HBASE-12648 Document per cell TTLs Minor documentation
HBASE-12646 SnapshotInfo tool does not find mob data in snapshots Major mob, snapshots
HBASE-11903 Directly invoking split & merge of replica regions should be disallowed Major .
HBASE-12523 Update checkstyle plugin rules to match our use Minor build
HBASE-12591 Ignore the count of mob compaction metrics when there is issue Minor regionserver
HBASE-12543 Incorrect log info in the store compaction of mob Minor regionserver
HBASE-12487 Explicitly flush the file name in sweep job Major regionserver, Scanners
HBASE-12486 Move the mob table name tag to the 2nd one Major regionserver, Scanners
HBASE-12489 Incorrect 'mobFileCacheMissCount' calculated in the mob metrics Major regionserver, Scanners
HBASE-12382 Restore incremental compilation Major .
HBASE-12343 Document recommended configuration for 0.98 from HBASE-11964 Major .
HBASE-4625 Convert @deprecated HBaseTestCase tests JUnit4 style tests Minor .
HBASE-12392 Incorrect implementation of CompactionRequest.isRetainDeleteMarkers Critical regionserver, Scanners
HBASE-12391 Correct a typo in the mob metrics Minor regionserver, Scanners
HBASE-11683 Metrics for MOB Major regionserver, Scanners
HBASE-11912 Catch some bad practices at compile time with error-prone Major .
HBASE-11645 Snapshot for MOB Major snapshots
HBASE-12093 Support the mob attributes in hbase shell when create/alter table Major shell
HBASE-12085 mob status should print human readable numbers. Major mob, UI
HBASE-12080 Shorten the run time of integration test by default when using mvn failsafe:integration-test Major test
HBASE-12066 Avoid major compaction in TestMobSweeper Major Compaction, mob
HBASE-11644 External MOB compaction tools Major Compaction, master
HBASE-11472 Remove ZKTableStateClientSideReader class Major Client, Consensus, Zookeeper
HBASE-11598 Add simple rpc throttling Minor .
HBASE-8139 Allow job names to be overridden Major mapreduce, Usability
HBASE-11646 Handle the MOB in compaction Major Compaction
HBASE-11986 Document MOB in Ref Guide Major documentation
HBASE-12000 isMob and mobThreshold do not follow column descriptor property naming conventions Major regionserver, Scanners
HBASE-11975 Remove the explicit list of maven repositories in pom.xml Major .
HBASE-7767 Get rid of ZKTable, and table enable/disable state in ZK Major Zookeeper
HBASE-11647 MOB integration testing Major Performance, test
HBASE-11911 Break up tests into more fine grained categories Major .
HBASE-11901 Improve the value size of the reference cell in mob column Major .
HBASE-11786 Document web UI for tracking time spent in coprocessors Minor Coprocessors, documentation
HBASE-11643 Read and write MOB in HBase Major regionserver, Scanners
HBASE-11779 Document the new requirement to set JAVA_HOME before starting HBase Major documentation
HBASE-11607 Document HBase metrics Major documentation, metrics
HBASE-10674 HBCK should be updated to do replica related checks Major .
HBASE-4624 Remove and convert @deprecated RemoteExceptionHandler.decodeRemoteException calls Major .
HBASE-11261 Handle splitting/merging of regions that have region_replication greater than one Major .

OTHER:

JIRA Summary Priority Component
HBASE-8770 deletes and puts with the same ts should be resolved according to mvcc/seqNum Blocker .
HBASE-20067 Clean up findbugs warnings Critical .
HBASE-10403 Simplify offheap cache configuration Minor io
HBASE-19976 Dead lock if the worker threads in procedure executor are exhausted Critical .
HBASE-19948 Since HBASE-19873, HBaseClassTestRule, Small/Medium/Large has different semantic Major .
HBASE-19296 Fix findbugs and error-prone warnings (branch-2) Major .
HBASE-19425 Align the methods in Put/Delete/Increment/Append Major .
HBASE-19627 Stabilize the method signature for Cell and its impl Critical .
HBASE-18429 ITs attempt to modify immutable table/column descriptors Critical integration tests
HBASE-18110 [AMv2] Reenable tests temporarily disabled Blocker Region Assignment
HBASE-18978 Align the methods in Table and AsyncTable Critical asyncclient, Client
HBASE-18805 Unify Admin and AsyncAdmin Major .
HBASE-18703 Inconsistent behavior for preBatchMutate in doMiniBatchMutate and processRowsWithLocks Critical Coprocessors
HBASE-18926 Cleanup Optional<T> from method params Major .
HBASE-17143 Scan improvement Blocker Client, scan
HBASE-18751 Revisit the TimeRange and TimeRangeTracker Major .
HBASE-7320 Remove KeyValue.getBuffer() Blocker .
HBASE-10462 Recategorize some of the client facing Public / Private interfaces Blocker Client
HBASE-18696 Fix the problems when introducing the new hbase-mapreduce module Blocker mapreduce
HBASE-18501 Use TableDescriptor and ColumnFamilyDescriptor as far as possible Critical .
HBASE-18266 Eliminate the warnings from the spotbugs Major .
HBASE-17359 Implement async admin Major Client
HBASE-15086 Fix findbugs complaint so yetus reports more green Major build
HBASE-6581 Build with hadoop.profile=3.0 Major .
HBASE-16617 Procedure V2 - Improvements Minor master, proc-v2
HBASE-16833 Implement asynchronous hbase client based on HBASE-15921 Major Client
HBASE-18037 Do not expose implementation classes to CP Blocker Coprocessors
HBASE-15179 Cell/DBB end-to-end on the write-path Major regionserver
HBASE-16145 MultiRowRangeFilter constructor shouldn't throw IOException Minor .
HBASE-16567 Upgrade to protobuf-3.1.x Critical Protobufs
HBASE-11871 Avoid usage of KeyValueUtil#ensureKeyValue Major regionserver
HBASE-16432 Revisit the asynchronous ipc implementation Major rpc
HBASE-14460 [Perf Regression] Merge of MVCC and SequenceId (HBASE-8763) slowed Increments, CheckAndPuts, batch operations Critical Performance
HBASE-11425 Cell/DBB end-to-end on the read-path Major regionserver, Scanners
HBASE-14457 Umbrella: Improve Multiple WAL for production usage Major .
HBASE-14420 Zombie Stomping Session Critical test
HBASE-14869 Better request latency and size histograms Major .
HBASE-11339 HBase MOB Major regionserver, Scanners
HBASE-13747 Promote Java 8 to "yes" in support matrix Critical java
HBASE-7781 Update security unit tests to use a KDC if available Blocker security, test
HBASE-12859 New master API to track major compaction completion Major .
HBASE-18792 hbase-2 needs to defend against hbck operations Blocker hbck
HBASE-19963 TestFSHDFSUtils assumes wrong default port for Hadoop 3.0.1+ Major test
HBASE-20386 [DOC] Align WALPlayer help text and refguide Minor documentation
HBASE-20365 start branch-2.0 specific website section Critical documentation, website
HBASE-14175 Adopt releasedocmaker for better generated release notes Critical .
HBASE-14348 Update download mirror link Major documentation, website
HBASE-20299 Update MOB in hbase refguide Minor mob
HBASE-20132 Change the "KV" to "Cell" for web UI Minor .
HBASE-20199 Add test to prevent further permission regression around table flush and snapshot Critical test
HBASE-20223 Use hbase-thirdparty 2.1.0 Blocker dependencies
HBASE-19158 Ref guide needs upgrade update Blocker documentation
HBASE-20212 Make all Public classes have InterfaceAudience category Critical Usability
HBASE-20246 Remove the spark module Blocker .
HBASE-19552 update hbase to use new thirdparty libs Major dependencies, thirdparty
HBASE-20171 Remove o.a.h.h.ProcedureState Minor .
HBASE-15151 Rely on nightly tests for findbugs compliance on existing branch Critical build, test
HBASE-20075 remove logic for branch-1.1 nightly testing Minor test
HBASE-20072 remove 1.1 release line from the prerequisite tables Major community, documentation
HBASE-18882 [TEST] Run MR branch-1 jobs against hbase2 cluster Critical mapreduce, test
HBASE-20093 Replace ServerLoad by ServerMetrics for ServerManager Major .
HBASE-20097 Merge TableDescriptors#getAll and TableDescriptors#getAllDescriptors into one Minor .
HBASE-20084 Refactor the RSRpcServices#doBatchOp Minor regionserver
HBASE-20092 Fix TestRegionMetrics#testRegionMetrics Minor test
HBASE-20088 Update copyright notices to year 2018 Minor .
HBASE-20089 make_rc.sh should name SHA-512 checksum files with the extension .sha512 Minor .
HBASE-18596 [TEST] A hbase1 cluster should be able to replicate to a hbase2 cluster; verify Blocker .
HBASE-19947 MR jobs using ITU use wrong filesystem Critical integration tests
HBASE-19946 TestPerColumnFamilyFlush and TestWalAndCompactingMemStoreFlush fail against h3 Major test
HBASE-19922 ProtobufUtils::PRIMITIVES is unused Major Protobufs
HBASE-19720 Rename WALKey#getTabnename to WALKey#getTableName Major .
HBASE-15042 refactor so that site materials are in the Standard Maven Place Minor build, website
HBASE-19596 RegionMetrics/ServerMetrics/ClusterMetrics should apply to all public classes Critical Client
HBASE-19620 Add UT to confirm the race in MasterRpcServices.getProcedureResult Minor proc-v2, test
HBASE-19652 Turn down CleanerChore logging; too chatty Major .
HBASE-19644 add the checkstyle rule to reject the illegal imports Major .
HBASE-19637 Add .checkstyle to gitignore Major build
HBASE-19550 Wrap the cell passed via Mutation#add(Cell) to be of ExtendedCell Major .
HBASE-18970 The version of jruby we use now can't get interactive input from prompt Critical shell
HBASE-19548 Backport the missed doc fix from master to branch-2 Major .
HBASE-19526 Update hadoop version to 3.0 GA Major build, dependencies
HBASE-19477 Move and align documentation in hbase-annotations Trivial .
HBASE-19267 Eclipse project import issues on 2.0 Major build
HBASE-19512 Move EventType and ExecutorType from hbase-client to hbase-server Major regionserver
HBASE-19485 Minor improvement to TestCompactedHFilesDischarger Trivial .
HBASE-18988 Add release managers to reference guide Trivial documentation
HBASE-19410 Move zookeeper related UTs to hbase-zookeeper and mark them as ZKTests Major test, Zookeeper
HBASE-19323 Make netty engine default in hbase2 Major rpc
HBASE-19416 Document dynamic configurations currently support Minor documentation
HBASE-19298 CellScanner and CellScannable should be declared as IA.Public Major .
HBASE-19408 Remove WALActionsListener.Base Trivial .
HBASE-19407 [branch-2] Remove backup/restore Blocker .
HBASE-19328 Remove asked if splittable log messages Minor proc-v2
HBASE-19200 make hbase-client only depend on ZKAsyncRegistry and ZNodePaths Major Client, Zookeeper
HBASE-19123 Purge 'complete' support from Coprocesor Observers Major Coprocessors
HBASE-19241 Improve javadoc for AsyncAdmin and cleanup warnings for the implementation classes Major documentation
HBASE-14350 Procedure V2 Phase 2: Assignment Manager Blocker master, proc-v2
HBASE-19224 LICENSE failure for Hadoop 3.1 on dnsjava Major build
HBASE-18817 Pull hbase-spark module out of branch-2 Blocker spark
HBASE-19217 Update supplemental-models.xml for jetty-sslengine Major .
HBASE-19179 Remove hbase-prefix-tree Critical .
HBASE-19176 Remove hbase-native-client from branch-2 Major .
HBASE-19097 update testing to use Apache Yetus Test Patch version 0.6.0 Major build
HBASE-19049 Update kerby to 1.0.1 GA release Major dependencies
HBASE-16338 update jackson to 2.y Major dependencies
HBASE-19007 Align Services Interfaces in Master and RegionServer Blocker .
HBASE-19043 Purge TableWrapper and CoprocessorHConnnection Major Coprocessors
HBASE-18991 Remove RegionMergeRequest Trivial .
HBASE-18927 Add the DataType which is subset of KeyValue#Type to CellBuilder for building cell Major .
HBASE-18833 Ensure precommit personality is up to date on all active branches Critical test
HBASE-10504 Define Replication Interface Blocker Replication
HBASE-18767 Release hbase-2.0.0-alpha-3; Theme "Scrubbed API" Major .
HBASE-18835 The return type of ExtendedCell#deepClone should be ExtendedCell rather than Cell Major .
HBASE-18766 Make TableSnapshotScanner Audience Private Major .
HBASE-18782 Module untangling work Major .
HBASE-18421 update hadoop prerequisites docs to call out 2.8.1 Major community, dependencies, documentation
HBASE-13868 Correct "Disable automatic splitting" section in HBase book Trivial documentation
HBASE-17972 Remove mergePool from CompactSplitThread Minor regionserver
HBASE-18768 Move TestTableName to hbase-common from hbase-server Major .
HBASE-17967 clean up documentation references to -ROOT- table. Minor documentation
HBASE-18710 Move on to hbase-thirdparty 1.0.1 (it was just released). Major hbase-thirdparty
HBASE-18705 bin/hbase does not find cached_classpath.txt Major .
HBASE-18611 Copy all tests from o.a.h.h.p.TestProtobufUtil to o.a.h.h.s.p.TestProtobufUtil Minor Protobufs, test
HBASE-18670 Add .DS_Store to .gitignore Minor community
HBASE-17614 Move Backup/Restore into separate module Blocker .
HBASE-18660 Remove duplicate code from the checkAndPut method in HTable Trivial .
HBASE-18653 Undo hbase2 check against < hadoop2.6.x; i.e. implement agreed drop of hadoop 2.4 and 2.5 support in hbase2 Major build
HBASE-18630 Prune dependencies; as is branch-2 has duplicates Major dependencies
HBASE-18594 Release hbase-2.0.0-alpha2 Major .
HBASE-18623 Frequent failed to parse at EOF warnings from WALEntryStream Minor .
HBASE-18518 Remove jersey1* dependencies from project and jersey1* jars from lib dir Major dependencies, pom, REST
HBASE-18544 Move the HRegion#addRegionToMETA to TestDefaultMemStore Minor regionserver
HBASE-18582 Correct the docs for Mutation#setCellVisibility Minor documentation
HBASE-18588 Verify we're using netty .so epolling on linux post HBASE-18271 Major test
HBASE-18514 Backport space quota "phase2" work to branch-2 Blocker .
HBASE-18527 update nightly builds to compensate for jenkins plugin upgrades Blocker community, test
HBASE-18515 Introduce Delete.add as a replacement for Delete#addDeleteMarker Major Client
HBASE-16100 Procedure V2 - Tools Minor proc-v2, tooling
HBASE-15141 Procedure V2 - Web UI Blocker proc-v2, UI
HBASE-18465 [AMv2] remove old split region code that is no longer needed Major Admin, rpc
HBASE-16728 Add hadoop.profile=3.0 pass to precommit checks. Major build, hadoop3
HBASE-18384 Add link to refguide schema section on apache blog on hbase application archetypes Minor documentation
HBASE-18344 Introduce Append.addColumn as a replacement for Append.add Trivial .
HBASE-18364 Downgrade surefire Major .
HBASE-18291 Regenerate thrift2 python examples Minor .
HBASE-18288 Declared dependency on specific javax.ws.rs Major dependencies, REST
HBASE-18284 Update hbasecon asia logo on home page of hbase.apache.org Major .
HBASE-12794 Guidelines for filing JIRA issues Major documentation
HBASE-18258 Take down hbasecon2017 logo from hbase.apache.org and put up hbaseconasia2017 instead. Major .
HBASE-17954 Switch findbugs implementation to spotbugs Major build, community, test
HBASE-17898 Update dependencies Critical .
HBASE-18187 Release hbase-2.0.0-alpha1 Major .
HBASE-18096 Limit HFileUtil visibility and add missing annotations Trivial .
HBASE-13074 Cleaned up usage of hbase.master.lease.thread.wakefrequency Trivial wal
HBASE-17968 Update copyright year in NOTICE file Trivial build
HBASE-17965 Canary tool should print the regionserver name on failure Minor .
HBASE-17828 Revisit the IS annotation and the documentation Critical API
HBASE-16215 clean up references for EOM release lines Major community, website
HBASE-17847 update documentation to include positions on recent Hadoop releases Critical community, documentation
HBASE-17834 close stale github PRs Minor community
HBASE-17802 Add note that minor versions can add methods to Interfaces Major documentation
HBASE-17782 Extend IdReadWriteLock to support using both weak and soft reference Major .
HBASE-17618 Refactor the implementation of modify table and delete column in MOB Major mob
HBASE-17609 Allow for region merging in the UI Major .
HBASE-16812 Clean up the locks in MOB Minor mob
HBASE-17502 Document hadoop pre-2.6.1 and Java 1.8 Kerberos problem in our hadoop support matrix Major .
HBASE-16710 Add ZStandard Codec to Compression.java Minor .
HBASE-17401 Remove unnecessary semicolons in hbase-annotations Trivial .
HBASE-17397 AggregationClient cleanup Minor .
HBASE-16869 Typo in "Disabling Blockcache" doc Trivial documentation
HBASE-17272 Doc how to run Standalone HBase over an HDFS instance; all daemons in one JVM but persisting to an HDFS instance Major documentation
HBASE-17121 Undo the building of xref as part of site build Major .
HBASE-16335 update to latest apache parent pom Major build, dependencies
HBASE-17046 Add 1.1 doc to hbase.apache.org Major website
HBASE-16955 Fixup precommit protoc check to do new distributed protos and pb 3.1.0 build Major build, Protobufs
HBASE-16413 Add apache-hbase.slack.com #users channel to ref guide Minor documentation
HBASE-16952 Replace hadoop-maven-plugins with protobuf-maven-plugin for building protos Major build
HBASE-16811 Remove mob sweep job Minor .
HBASE-16591 Add a docker file only contains java 8 for running pre commit on master Blocker build
HBASE-16518 Remove old .arcconfig file Trivial tooling
HBASE-16376 Document implicit side-effects on partial results when calling Scan#setBatch(int) Minor API, documentation
HBASE-16467 Move AbstractHBaseTool to hbase-common Trivial .
HBASE-16260 Audit dependencies for Category-X Critical community, dependencies
HBASE-16426 Remove company affiliations from committer list Major documentation, website
HBASE-16354 Clean up defunct GitHub PRs Major community
HBASE-15656 Fix unused protobuf warning in Admin.proto Minor .
HBASE-16073 update compatibility_checker for jacc dropping comma sep args Critical build, documentation
HBASE-15989 Remove hbase.online.schema.update.enable Major .
HBASE-15888 Extend HBASE-12769 for bulk load data replication Major Replication
HBASE-15895 remove unmaintained jenkins build analysis tool. Minor build
HBASE-14635 Fix flaky test TestSnapshotCloneIndependence Major test
HBASE-4368 Expose processlist in shell (per regionserver and perhaps by cluster) Major shell
HBASE-15646 Add some docs about exporting and importing snapshots using S3 Major documentation, snapshots
HBASE-15729 Remove old JDiff wrapper scripts in dev-support Minor build, community
HBASE-15644 Add maven-scala-plugin for scaladoc Major build
HBASE-15494 Close obviated PRs on github Major community
HBASE-14678 Experiment: Temporarily disable balancer and a few others to see if root of crashed/timedout JVMs Critical test
HBASE-15502 Skeleton unit test to copy/paste Major documentation
HBASE-15220 Change two logs in SimpleRegionNormalizer to INFO level Minor .
HBASE-15017 Close out GitHub pull requests that aren't likely to update into a usable patch Trivial community
HBASE-14526 Remove delayed rpc Major .
HBASE-15099 Move RegionStateListener class out of quotas package Minor .
HBASE-15007 update Hadoop support matrix to list 2.6.1+ as supported Major documentation, Operability
HBASE-15003 Remove BoundedConcurrentLinkedQueue and associated test Minor util
HBASE-11985 Document sizing rules of thumb Major documentation
HBASE-14994 Clean up some broken links and references to old APIs Major documentation
HBASE-14534 Bump yammer/coda/dropwizard metrics dependency version Minor .
HBASE-14851 Add test showing how to use TTL from thrift Major test, Thrift
HBASE-14516 categorize hadoop-compat tests Critical build, hadoop2, test
HBASE-14308 HTableDescriptor WARN is not actionable Minor Usability
HBASE-14732 Update HBase website skin and CSS Major documentation
HBASE-14764 Stop using post-site target Major documentation
HBASE-14713 Remove simple deprecated-since-1.0 code in hbase-server from hbase 2.0 Major .
HBASE-14762 Update docs about publishing website to show gitsubpub method instead of svnsubpub Critical documentation
HBASE-14481 Decommission HBase wiki Blocker documentation
HBASE-11720 Set up jenkins job to build site documentation Minor build, documentation
HBASE-14026 Clarify "Web API" in version and compatibility docs Critical documentation
HBASE-13867 Add endpoint coprocessor guide to HBase book Major Coprocessors, documentation
HBASE-14652 Improve / update publish-website script in dev-support Major scripts
HBASE-14493 Upgrade the jamon-runtime dependency Minor .
HBASE-14502 Purge use of jmock and remove as dependency Major test
HBASE-14271 Improve Nexus staging instructions Minor build, documentation
HBASE-14424 Document that DisabledRegionSplitPolicy blocks manual splits Minor documentation
HBASE-14482 Add hadoop 2.6.1 to the test-patch build list Minor build
HBASE-14227 Fold special cased MOB APIs into existing APIs Blocker mob
HBASE-14361 ReplicationSink should create Connection instances lazily Major Replication
HBASE-14253 update docs + build for maven 3.0.4+ Major build, documentation
HBASE-14318 make_rc.sh should purge/re-resolve dependencies from local repository Major build
HBASE-14290 Spin up less threads in tests Major test
HBASE-14091 Update site documentation with code of conduct and project policy for transgressions Major documentation, website
HBASE-14288 Upgrade asciidoctor plugin to v1.5.2.1 Minor build
HBASE-14085 Correct LICENSE and NOTICE files in artifacts Blocker build
HBASE-13089 Fix test compilation error on building against htrace-3.2.0-incubating Minor .
HBASE-14081 (outdated) references to SVN/trunk in documentation Minor documentation, website
HBASE-14071 Document troubleshooting unexpected filesystem usage by snapshots and WALs Major .
HBASE-13446 Add docs warning about missing data for downstream on versions prior to HBASE-13262 Critical documentation
HBASE-14057 HBase shell user_permission should list super users defined on hbase-site.xml Minor shell
HBASE-11276 Add back support for running ChaosMonkey as standalone tool Minor .
HBASE-14052 Mark a few methods in CellUtil audience private since only make sense internally to hbase Trivial API
HBASE-14053 Disable DLR in branch-1+ Major Recovery
HBASE-13869 Fix typo in HBase book Trivial documentation
HBASE-13964 Skip region normalization for tables under namespace quota Major Balancer, Usability
HBASE-13948 Expand hadoop2 versions built on the pre-commit Major build
HBASE-13956 Add myself as 1.1 release manager Trivial website
HBASE-13915 Remove EOL HBase versions from java and hadoop prereq tables Major documentation
HBASE-13929 make_rc.sh publishes empty shaded artifacts Minor build
HBASE-13666 book.pdf is not renamed during site build Major website
HBASE-13660 Add link to cloud bigtable schema modeling guide into our refguide Major documentation
HBASE-13799 javadoc how Scan gets polluted when used; if you set attributes or ask for scan metrics Minor documentation
HBASE-13726 stop using Hadoop's IOUtils Major dependencies
HBASE-13716 Stop using Hadoop's FSConstants Blocker Filesystem Integration
HBASE-13582 Update docs for HTrace Minor documentation
HBASE-13713 See about dropping ClassLoaderBase#getClassLoadingLock Minor .
HBASE-13586 Update book on Hadoop and Java supported versions for 1.1.x Major documentation
HBASE-11677 Make Logger instance modifiers consistent Minor util
HBASE-13554 Update book clarifying API stability guarantees Major documentation
HBASE-13487 Doc KEEP_DELETED_CELLS Major documentation
HBASE-13187 Add ITBLL that exercises per CF flush Critical integration tests
HBASE-13361 Remove or undeprecate {get|set}ScannerCaching in HTable Minor Client
HBASE-13310 Fix high priority findbugs warnings Major .
HBASE-13257 Show coverage report on jenkins Minor .
HBASE-13233 add hbase-11339 branch to the patch testing script Minor .
HBASE-13237 Improve trademark marks on the hbase.apache.org homepage Minor documentation
HBASE-13234 Improve the obviousness of the download link on hbase.apache.org Minor documentation
HBASE-7126 Update website with info on how to report security bugs Critical documentation
HBASE-12466 Document visibility scan label generator usage and behavior Major documentation, security
HBASE-13177 Document HBASE-13012 Major documentation, mob
HBASE-11670 Build PDF of Ref Guide Minor documentation
HBASE-12180 Fix and reenable TestRegionReplicaReplicationEndpoint Major test
HBASE-12995 Document that HConnection#getTable methods do not check table existence since 0.98.1 Trivial .
HBASE-13079 Add an admonition to Scans example that the results scanner should be closed Major documentation
HBASE-12168 Document Rest gateway SPNEGO-based authentication for client Major documentation, REST, security
HBASE-12701 Document how to set the split policy on a given table Major documentation
HBASE-12783 Create efficient RegionLocator implementation Major .
HBASE-12785 Use FutureTask to timeout the attempt to get the lock for hbck Minor .
HBASE-12623 Remove pre-0.96 to 0.96 upgrade code Major .
HBASE-12589 Forward-port fix for TestFromClientSideWithCoprocessor.testMaxKeyValueSize Major test
HBASE-12515 update test-patch to use git Minor build
HBASE-12438 Add -Dsurefire.rerunFailingTestsCount=2 to patch build runs so flakies get rerun Major test
HBASE-12362 Interim documentation of important master and regionserver metrics Major documentation
HBASE-12239 Document hedged reads Major documentation
HBASE-11791 Update docs on visibility tags and ACLs, transparent encryption, secure bulk upload Major documentation
HBASE-11961 Document region state transitions Minor .
HBASE-11619 Remove unused test class from TestHLogSplit Trivial wal
HBASE-4593 Design and document the official procedure for posting patches, commits, commit messages, etc. to smooth process and make integration with tools easier Major documentation
HBASE-11729 Document HFile v3 Trivial documentation, HFile
HBASE-11606 Enable ZK-less region assignment by default Minor .
HBASE-10398 HBase book updates for Replication after HBASE-10322 Major documentation
HBASE-11459 Add more doc on compression codecs, how to hook up native lib, lz4, etc. Minor documentation
HBASE-8450 Update hbase-default.xml and general recommendations to better suit current hw, h2, experience, etc. Critical Usability

NOTE: Below pre-2.0.0 changes were generated otherwise. Imported as-is, unaltered.

Release Notes - HBase - Version 1.0.0 02/20/2015

** Sub-task
    * [HBASE-11852] - Still see "UnsupportedOperationException: CollectionUsage threshold is not supported"
    * [HBASE-12485] - Maintain SeqId monotonically increasing
    * [HBASE-12511] - namespace permissions - add support from table creation privilege in a namespace 'C'
    * [HBASE-12568] - Adopt Semantic Versioning and document it in the book
    * [HBASE-12575] - Sanity check table coprocessor classes are loadable
    * [HBASE-12606] - Sanity check encryption configuration before opening WAL or onlining regions
    * [HBASE-12679] - Add HBaseInterfaceAudience.TOOLS and move some of the Public classes to LimitedPrivate
    * [HBASE-12704] - Add demo client which uses doAs functionality on Thrift-over-HTTPS.
    * [HBASE-12730] - Backport HBASE-5162 (Basic client pushback mechanism) to branch-1
    * [HBASE-12735] - Refactor TAG so it can live as unit test and as an integration test
    * [HBASE-12763] - Make it so there must be WALs for a server to be marked dead
    * [HBASE-12776] - SpliTransaction: Log number of files to be split
    * [HBASE-12779] - SplitTransaction: Add metrics
    * [HBASE-12793] - [hbck] closeRegionSilentlyAndWait() should log cause of IOException and retry until  hbase.hbck.close.timeout expires
    * [HBASE-12802] - Remove unnecessary Table.flushCommits()
    * [HBASE-12926] - Backport HBASE-12688 (Update site with a bootstrap-based UI) for HBASE-12918
    * [HBASE-12980] - Delete of a table may not clean all rows from hbase:meta

** Bug
    * [HBASE-8026] - HBase Shell docs for scan command does not reference VERSIONS
    * [HBASE-9431] - Set  'hbase.bulkload.retries.number' to 10 as HBASE-8450 claims
    * [HBASE-9910] - TestHFilePerformance and HFilePerformanceEvaluation should be merged in a single HFile performance test class.
    * [HBASE-10499] - In write heavy scenario one of the regions does not get flushed causing RegionTooBusyException
    * [HBASE-10528] - DefaultBalancer selects plans to move regions onto draining nodes
    * [HBASE-11979] - Compaction progress reporting is wrong
    * [HBASE-12028] - Abort the RegionServer, when it's handler threads die
    * [HBASE-12070] - Add an option to hbck to fix ZK inconsistencies
    * [HBASE-12108] - HBaseConfiguration: set classloader before loading xml files
    * [HBASE-12267] - Replace HTable constructor in mapreduce.* classes with ConnectionFactory
    * [HBASE-12270] - A bug in the bucket cache, with cache blocks on write enabled
    * [HBASE-12339] - WAL performance evaluation tool doesn't roll logs
    * [HBASE-12348] - preModifyColumn and preDeleteColumn in AC denies user to perform its operation though it has required rights
    * [HBASE-12393] - The regionserver web will throw exception if we disable block cache
    * [HBASE-12422] - Use ConnectionFactory in HTable constructors
    * [HBASE-12431] - Use of getColumnLatestCell(byte[], int, int, byte[], int, int) is Not Thread Safe
    * [HBASE-12454] - Setting didPerformCompaction early in HRegion#compact
    * [HBASE-12467] - Master joins cluster but never completes initialization
    * [HBASE-12480] - Regions in FAILED_OPEN/FAILED_CLOSE should be processed on master failover
    * [HBASE-12564] - consolidate the getTableDescriptors() semantic
    * [HBASE-12565] - Race condition in HRegion.batchMutate()  causes partial data to be written when region closes
    * [HBASE-12574] - Update replication metrics to not do so many map look ups.
    * [HBASE-12585] - Fix refguide so it does hbase 1.0 style API everywhere with callout on how we used to do it in pre-1.0
    * [HBASE-12607] - TestHBaseFsck#testParallelHbck fails running against hadoop 2.6.0
    * [HBASE-12611] - Create autoCommit() method and remove clearBufferOnFail
    * [HBASE-12617] - Running IntegrationTestBigLinkedList against cluster getting not an instance of org.apache.hadoop.hbase.MiniHBaseCluster
    * [HBASE-12618] - Add 'Namespace' to headers while displaying user permissions.
    * [HBASE-12622] - user_permission should require global admin to display global and ns permissions
    * [HBASE-12632] - ThrottledInputStream/ExportSnapshot does not throttle
    * [HBASE-12634] -  Fix the AccessController#requireGlobalPermission(ns) with NS
    * [HBASE-12635] - Delete acl notify znode of table after the table is deleted
    * [HBASE-12637] - Compilation with Hadoop-2.4- is broken
    * [HBASE-12642] - LoadIncrementalHFiles does not throw exception after hitting hbase.bulkload.retries.number setting
    * [HBASE-12644] - Visibility Labels: issue with storing super users in labels table
    * [HBASE-12647] - Truncate table should work with C as well
    * [HBASE-12652] - Allow unmanaged connections in MetaTableAccessor
    * [HBASE-12655] - WALPerformanceEvaluation miscalculates append/sync statistics for multiple regions
    * [HBASE-12661] - rat check fails for several files
    * [HBASE-12662] - region_status.rb is failing with NoMethodError
    * [HBASE-12663] - unify getTableDescriptors() and listTableDescriptorsByNamespace()
    * [HBASE-12664] - TestDefaultLoadBalancer.testBalanceCluster fails in CachedDNSToSwitchMapping
    * [HBASE-12665] - When aborting, dump metrics
    * [HBASE-12666] - TestAssignmentManager hanging; add timeouts
    * [HBASE-12671] - HBASE-12652 broke branch-1 builds (TestAssignmentManager fails)
    * [HBASE-12674] - Add permission check to getNamespaceDescriptor()
    * [HBASE-12675] - Use interface methods in shell scripts
    * [HBASE-12681] - truncate_preserve command fails with undefined method `getTable' error
    * [HBASE-12683] - Compilation with hadoop-2.7.0-SNAPSHOT is broken
    * [HBASE-12686] - Failures in split before PONR not clearing the daughter regions from regions in transition during rollback
    * [HBASE-12692] - NPE from SnapshotManager#stop
    * [HBASE-12694] - testTableExistsIfTheSpecifiedTableRegionIsSplitParent in TestSplitTransactionOnCluster class leaves regions in transition
    * [HBASE-12696] - Possible NPE in HRegionFileSystem#splitStoreFile when skipStoreFileRangeCheck in splitPolicy return true
    * [HBASE-12697] - Don't use RegionLocationFinder if localityCost == 0
    * [HBASE-12699] - undefined method `setAsyncLogFlush' exception thrown when setting DEFERRED_LOG_FLUSH=>true
    * [HBASE-12711] - Fix new findbugs warnings in hbase-thrift module
    * [HBASE-12715] - getLastSequenceId always returns -1
    * [HBASE-12716] - A bug in RegionSplitter.UniformSplit algorithm
    * [HBASE-12718] - Convert TestAcidGuarantees from a unit test to an integration test
    * [HBASE-12728] - buffered writes substantially less useful after removal of HTablePool
    * [HBASE-12732] - Log messages in FileLink$FileLinkInputStream#tryOpen are reversed
    * [HBASE-12739] - Avoid too large identifier of ZooKeeperWatcher
    * [HBASE-12740] - Improve performance of TestHBaseFsck
    * [HBASE-12741] - AccessController contains a javadoc issue
    * [HBASE-12742] - ClusterStatusPublisher crashes with a IPv6 network interface.
    * [HBASE-12744] - hbase-default.xml lists hbase.regionserver.global.memstore.size twice
    * [HBASE-12746] - [1.0.0RC0] Distributed Log Replay is on (HBASE-12577 was insufficient)
    * [HBASE-12747] - IntegrationTestMTTR will OOME if launched with mvn verify
    * [HBASE-12750] - getRequestsCount() in ClusterStatus returns total number of request
    * [HBASE-12767] - Fix a StoreFileScanner NPE in reverse scan flow
    * [HBASE-12771] - TestFailFast#testFastFail failing
    * [HBASE-12774] - Fix the inconsistent permission checks for bulkloading.
    * [HBASE-12781] - thrift2 listen port will bind always to the passed command line address
    * [HBASE-12782] - ITBLL fails for me if generator does anything but 5M per maptask
    * [HBASE-12791] - HBase does not attempt to clean up an aborted split when the regionserver shutting down
    * [HBASE-12798] - Map Reduce jobs should not create Tables in setConf()
    * [HBASE-12801] - Failed to truncate a table while maintaing binary region boundaries
    * [HBASE-12804] - ImportTsv fails to delete partition files created by it
    * [HBASE-12810] - Update to htrace-incubating
    * [HBASE-12811] - [AccessController] NPE while scanning a table with user not having READ permission on the namespace
    * [HBASE-12817] - Data missing while scanning using PREFIX_TREE data block encoding
    * [HBASE-12819] - ExportSnapshot doesn't close FileSystem instances
    * [HBASE-12824] - CompressionTest fails with org.apache.hadoop.hbase.io.hfile.AbstractHFileReader$NotSeekedException: Not seeked to a key/value
    * [HBASE-12831] - Changing the set of vis labels a user has access to doesn't generate an audit log event
    * [HBASE-12832] - Describe table from shell no longer shows Table's attributes, only CF attributes
    * [HBASE-12833] - [shell] table.rb leaks connections
    * [HBASE-12835] - HBASE-12422 changed new HTable(Configuration) to not use managed Connections anymore
    * [HBASE-12837] - ReplicationAdmin leaks zk connections
    * [HBASE-12844] - ServerManager.isServerReacable() should sleep between retries
    * [HBASE-12847] - TestZKLessSplitOnCluster frequently times out in 0.98 builds
    * [HBASE-12862] - Uppercase "wals" in RegionServer webUI
    * [HBASE-12863] - Master info port on RS UI is always 0
    * [HBASE-12864] - IntegrationTestTableSnapshotInputFormat fails
    * [HBASE-12874] - LoadIncrementalHFiles should use unmanaged connection
    * [HBASE-12878] - Incorrect HFile path in TestHFilePerformance print output (fix for easier debugging)
    * [HBASE-12881] - TestFastFail is not compatible with surefire.rerunFailingTestsCount
    * [HBASE-12886] - Correct tag option name in PerformanceEvaluation
    * [HBASE-12892] - Add a class to allow taking a snapshot from the command line
    * [HBASE-12897] - Minimum memstore size is a percentage
    * [HBASE-12898] - Add in used undeclared dependencies
    * [HBASE-12901] - Possible deadlock while onlining a region and get region plan for other region run parallel
    * [HBASE-12904] - Threading issues in region_mover.rb
    * [HBASE-12915] - Disallow small scan with batching
    * [HBASE-12916] - No access control for replicating WAL entries
    * [HBASE-12917] - HFilePerformanceEvaluation Scan tests fail with StackOverflowError due to recursive call in createCell function
    * [HBASE-12918] - Backport asciidoc changes
    * [HBASE-12919] - Compilation with Hadoop-2.4- is broken again
    * [HBASE-12925] - Use acl cache for doing access control checks in prepare and clean phases of Bulkloading.
    * [HBASE-12942] - After disabling the hfile block cache, Regionserver UI is throwing java.lang.NullPointerException
    * [HBASE-12956] - Binding to 0.0.0.0 is broken after HBASE-10569
    * [HBASE-12958] - SSH doing hbase:meta get but hbase:meta not assigned
    * [HBASE-12962] - TestHFileBlockIndex.testBlockIndex() commented out during HBASE-10531
    * [HBASE-12966] - NPE in HMaster while recovering tables in Enabling state
    * [HBASE-12971] - Replication stuck due to large default value for replication.source.maxretriesmultiplier
    * [HBASE-12976] - Set default value for hbase.client.scanner.max.result.size
    * [HBASE-12978] - Region goes permanently offline (WAS: hbase:meta has a row missing hregioninfo and it causes my long-running job to fail)
    * [HBASE-12984] - SSL cannot be used by the InfoPort after removing deprecated code in HBASE-10336
    * [HBASE-12985] - Javadoc warning and findbugs fixes to get us green again
    * [HBASE-12989] - region_mover.rb unloadRegions method uses ArrayList concurrently resulting in errors
    * [HBASE-12991] - Use HBase 1.0 interfaces in hbase-rest
    * [HBASE-12996] - Reversed field on Filter should be transient
    * [HBASE-12998] - Compilation with Hdfs-2.7.0-SNAPSHOT is broken after HDFS-7647
    * [HBASE-13003] - Get tests in TestHFileBlockIndex back
    * [HBASE-13009] - HBase REST UI inaccessible
    * [HBASE-13010] - HFileOutputFormat2 partitioner's path is hard-coded as '/tmp'
    * [HBASE-13026] - Wrong error message in case incorrect snapshot name OR Incorrect table name
    * [HBASE-13027] - mapreduce.TableInputFormatBase should create its own Connection if needed
    * [HBASE-13028] - Cleanup mapreduce API changes
    * [HBASE-13030] - [1.0.0 polish] Make ScanMetrics public again and align Put 'add' with Get, Delete, etc., addColumn
    * [HBASE-13037] - LoadIncrementalHFile should try to verify the content of unmatched families
    * [HBASE-13038] - Fix the java doc warning continuously reported by Hadoop QA
    * [HBASE-13039] - Add patchprocess/* to .gitignore to fix builds of branches

** Improvement
    * [HBASE-5699] - Run with > 1 WAL in HRegionServer
    * [HBASE-11195] - Potentially improve block locality during major compaction for old regions
    * [HBASE-11412] - Minimize a number of hbase-client transitive dependencies
    * [HBASE-11639] - [Visibility controller] Replicate the visibility of Cells as strings
    * [HBASE-12071] - Separate out thread pool for Master <-> RegionServer communication
    * [HBASE-12121] - maven release plugin does not allow for customized goals
    * [HBASE-12204] - Backport HBASE-12016 'Reduce number of versions in Meta table. Make it configurable' to branch-1
    * [HBASE-12373] - Provide a command to list visibility labels
    * [HBASE-12583] - Allow creating reference files even the split row not lies in the storefile range if required
    * [HBASE-12597] - Add RpcClient interface and enable changing of RpcClient implementation
    * [HBASE-12608] - region_mover.rb does not log moving region count correctly when loading regions
    * [HBASE-12630] - Provide capability for dropping malfunctioning ConfigurationObserver automatically
    * [HBASE-12640] - Add Thrift-over-HTTPS and doAs support for Thrift Server
    * [HBASE-12641] - Grant all permissions of hbase zookeeper node to hbase superuser in a secure cluster
    * [HBASE-12651] - Backport HBASE-12559 'Provide LoadBalancer with online configuration capability' to branch-1
    * [HBASE-12653] - Move TestRegionServerOnlineConfigChange & TestConfigurationManager to Junit4 tests
    * [HBASE-12659] - Replace the method calls to grant and revoke in shell scripts with AccessControlClient
    * [HBASE-12668] - Adapt PayloadCarryingRpcController so it can also be used in async way
    * [HBASE-12676] - Fix the misleading ASCII art in IntegrationTestBigLinkedList
    * [HBASE-12678] - HBCK should print command line arguments
    * [HBASE-12680] - Refactor base ClusterManager in HBase to not have the notion of sending a signal.
    * [HBASE-12719] - Add test WAL provider to quantify FSHLog overhead in the absence of HDFS.
    * [HBASE-12720] - Make InternalScan LimitedPrivate
    * [HBASE-12736] - Let MetaScanner recycle a given Connection
    * [HBASE-12745] - Visibility Labels:  support visibility labels for user groups.
    * [HBASE-12762] - Region with no hfiles will have the highest locality cost in LocalityCostFunction
    * [HBASE-12768] - Support enable cache_data_on_write in Shell while creating table
    * [HBASE-12773] - Add warning message when user is trying to bulkload a large HFile.
    * [HBASE-12825] - CallRunner exception messages should include destination host:port
    * [HBASE-12893] - IntegrationTestBigLinkedListWithVisibility should use buffered writes
    * [HBASE-12899] - HBase should prefix htrace configuration keys with "hbase.htrace" rather than just "hbase."
    * [HBASE-12929] - TableMapReduceUtil.initTableMapperJob unnecessarily limits the types of outputKeyClass and outputValueClass
    * [HBASE-12973] - RegionCoprocessorEnvironment should provide HRegionInfo directly
    * [HBASE-12979] - Use setters instead of return values for handing back statistics from HRegion methods
    * [HBASE-12997] - FSHLog should print pipeline on low replication
    * [HBASE-13008] - Better default for hbase.regionserver.regionSplitLimit parameter.

** New Feature
    * [HBASE-9531] - a command line (hbase shell) interface to retreive the replication metrics and show replication lag
    * [HBASE-10560] - Per cell TTLs
    * [HBASE-12709] - [mvn] Add unit test excludes command line flag to the build.
    * [HBASE-12731] - Heap occupancy based client pushback

** Task
    * [HBASE-12493] - User class should provide a way to re-use existing token
    * [HBASE-12567] - Track remaining issues for HBase-1.0
    * [HBASE-12624] - Remove rename_snapshot.rb from code as there is no equivalent renameSnapshot api in Admin class
    * [HBASE-12625] - Deprecate certain methods in classes annotated with InterfaceAudience.Public in branch-1
    * [HBASE-12689] - Move version on from 0.99.2 to HBASE-1.0.0-SNAPSHOT
    * [HBASE-12724] - Upgrade the interface audience of RegionScanner from Private to LimitedPrivate
    * [HBASE-12726] - Backport to branch-1.0 addendum for "Minimize a number of hbase-client transitive dependencies"
    * [HBASE-12788] - Promote Abortable to LimitedPrivate
    * [HBASE-12834] - Promote ScanType to LimitedPrivate

** Test
    * [HBASE-12163] - Move test annotation classes to the same package as in master
    * [HBASE-12645] - HBaseTestingUtility is using ${$HOME} for rootDir
    * [HBASE-12685] - TestSplitLogManager#testLogFilesAreArchived sometimes times out due to race condition
    * [HBASE-12799] - ITAG fails with java.lang.RuntimeException if table does not exist
    * [HBASE-12885] - Unit test for RAW / VERSIONS scanner specifications

Release Notes - HBase - Version 0.99.2 12/07/2014

** Sub-task
    * [HBASE-10671] - Add missing InterfaceAudience annotations for classes in hbase-common and hbase-client modules
    * [HBASE-11164] - Document and test rolling updates from 0.98 -> 1.0
    * [HBASE-11915] - Document and test 0.94 -> 1.0.0 update
    * [HBASE-11964] - Improve spreading replication load from failed regionservers
    * [HBASE-12075] - Preemptive Fast Fail
    * [HBASE-12128] - Cache configuration and RpcController selection for Table in Connection
    * [HBASE-12147] - Porting Online Config Change from 89-fb
    * [HBASE-12202] - Support DirectByteBuffer usage in HFileBlock
    * [HBASE-12214] - Visibility Controller in the peer cluster should be able to extract visibility tags from the replicated cells
    * [HBASE-12288] - Support DirectByteBuffer usage in DataBlock Encoding area
    * [HBASE-12297] - Support DBB usage in Bloom and HFileIndex area
    * [HBASE-12313] - Redo the hfile index length optimization so cell-based rather than serialized KV key
    * [HBASE-12353] - Turn down logging on some spewing unit tests
    * [HBASE-12354] - Update dependencies in time for 1.0 release
    * [HBASE-12355] - Update maven plugins
    * [HBASE-12363] - Improve how KEEP_DELETED_CELLS works with MIN_VERSIONS
    * [HBASE-12379] - Try surefire 2.18-SNAPSHOT
    * [HBASE-12400] - Fix refguide so it does connection#getTable rather than new HTable everywhere: first cut!
    * [HBASE-12404] - Task 5 from parent: Replace internal HTable constructor use with HConnection#getTable (0.98, 0.99)
    * [HBASE-12471] - Task 4. replace internal ConnectionManager#{delete,get}Connection use with #close, #createConnection (0.98, 0.99) under src/main/java
    * [HBASE-12517] - Several HConstant members are assignable
    * [HBASE-12518] - Task 4 polish. Remove CM#{get,delete}Connection
    * [HBASE-12519] - Remove tabs used as whitespace
    * [HBASE-12526] - Remove unused imports
    * [HBASE-12577] - Disable distributed log replay by default



** Bug
    * [HBASE-7211] - Improve hbase ref guide for the testing part.
    * [HBASE-9003] - TableMapReduceUtil should not rely on org.apache.hadoop.util.JarFinder#getJar
    * [HBASE-9117] - Remove HTablePool and all HConnection pooling related APIs
    * [HBASE-9157] - ZKUtil.blockUntilAvailable loops forever with non-recoverable errors
    * [HBASE-9527] - Review all old api that takes a table name as a byte array and ensure none can pass ns + tablename
    * [HBASE-10536] - ImportTsv should fail fast if any of the column family passed to the job is not present in the table
    * [HBASE-10780] - HFilePrettyPrinter#processFile should return immediately if file does not exist
    * [HBASE-11099] - Two situations where we could open a region with smaller sequence number
    * [HBASE-11562] - CopyTable should provide an option to shuffle the mapper tasks
    * [HBASE-11835] - Wrong managenement of non expected calls in the client
    * [HBASE-12017] - Use Connection.createTable() instead of HTable constructors.
    * [HBASE-12029] - Use Table and RegionLocator in HTable.getRegionLocations()
    * [HBASE-12053] - SecurityBulkLoadEndPoint set 777 permission on input data files
    * [HBASE-12072] - Standardize retry handling for master operations
    * [HBASE-12083] - Deprecate new HBaseAdmin() in favor of Connection.getAdmin()
    * [HBASE-12142] - Truncate command does not preserve ACLs table
    * [HBASE-12194] - Make TestEncodedSeekers faster
    * [HBASE-12219] - Cache more efficiently getAll() and get() in FSTableDescriptors
    * [HBASE-12226] - TestAccessController#testPermissionList failing on master
    * [HBASE-12229] - NullPointerException in SnapshotTestingUtils
    * [HBASE-12234] - Make TestMultithreadedTableMapper a little more stable.
    * [HBASE-12237] - HBaseZeroCopyByteString#wrap() should not be called in hbase-client code
    * [HBASE-12238] - A few ugly exceptions on startup
    * [HBASE-12240] - hbase-daemon.sh should remove pid file if process not found running
    * [HBASE-12241] - The crash of regionServer when taking deadserver's replication queue breaks replication
    * [HBASE-12242] - Fix new javadoc warnings in Admin, etc.
    * [HBASE-12246] - Compilation with hadoop-2.3.x and 2.2.x is broken
    * [HBASE-12247] - Replace setHTable() with initializeTable() in TableInputFormat.
    * [HBASE-12248] - broken link in hbase shell help
    * [HBASE-12252] - IntegrationTestBulkLoad fails with illegal partition error
    * [HBASE-12257] - TestAssignmentManager unsynchronized access to regionPlans
    * [HBASE-12258] - Make TestHBaseFsck less flaky
    * [HBASE-12261] - Add checkstyle to HBase build process
    * [HBASE-12263] - RegionServer listens on localhost in distributed cluster when DNS is unavailable
    * [HBASE-12265] - HBase shell 'show_filters' points to internal Facebook URL
    * [HBASE-12274] - Race between RegionScannerImpl#nextInternal() and RegionScannerImpl#close() may produce null pointer exception
    * [HBASE-12277] - Refactor bulkLoad methods in AccessController to its own interface
    * [HBASE-12278] - Race condition in TestSecureLoadIncrementalHFilesSplitRecovery
    * [HBASE-12279] - Generated thrift files were generated with the wrong parameters
    * [HBASE-12281] - ClonedPrefixTreeCell should implement HeapSize
    * [HBASE-12285] - Builds are failing, possibly because of SUREFIRE-1091
    * [HBASE-12294] - Can't build the docs after the hbase-checkstyle module was added
    * [HBASE-12301] - user_permission command does not show global permissions
    * [HBASE-12302] - VisibilityClient getAuths does not propagate remote service exception correctly
    * [HBASE-12304] - CellCounter will throw AIOBE when output directory is not specified
    * [HBASE-12306] - CellCounter output's wrong value for Total Families Across all Rows in output file
    * [HBASE-12308] - Fix typo in hbase-rest profile name
    * [HBASE-12312] - Another couple of createTable race conditions
    * [HBASE-12314] - Add chaos monkey policy to execute two actions concurrently
    * [HBASE-12315] - Fix 0.98 Tests after checkstyle got parented
    * [HBASE-12316] - test-patch.sh (Hadoop-QA) outputs the wrong release audit warnings URL
    * [HBASE-12318] - Add license header to checkstyle xml files
    * [HBASE-12319] - Inconsistencies during region recovery due to close/open of a region during recovery
    * [HBASE-12322] - Add clean up command to ITBLL
    * [HBASE-12327] - MetricsHBaseServerSourceFactory#createContextName has wrong conditions
    * [HBASE-12329] - Table create with duplicate column family names quietly succeeds
    * [HBASE-12334] - Handling of DeserializationException causes needless retry on failure
    * [HBASE-12336] - RegionServer failed to shutdown for NodeFailoverWorker thread
    * [HBASE-12337] - Import tool fails with NullPointerException if clusterIds is not initialized
    * [HBASE-12346] - Scan's default auths behavior under Visibility labels
    * [HBASE-12352] - Add hbase-annotation-tests to runtime classpath so can run hbase it tests.
    * [HBASE-12356] - Rpc with region replica does not propagate tracing spans
    * [HBASE-12359] - MulticastPublisher should specify IPv4/v6 protocol family when creating multicast channel
    * [HBASE-12366] - Add login code to HBase Canary tool.
    * [HBASE-12372] - [WINDOWS] Enable log4j configuration in hbase.cmd
    * [HBASE-12375] - LoadIncrementalHFiles fails to load data in table when CF name starts with '_'
    * [HBASE-12377] - HBaseAdmin#deleteTable fails when META region is moved around the same timeframe
    * [HBASE-12384] - TestTags can hang on fast test hosts
    * [HBASE-12386] - Replication gets stuck following a transient zookeeper error to remote peer cluster
    * [HBASE-12398] - Region isn't assigned in an extreme race condition
    * [HBASE-12399] - Master startup race between metrics and RpcServer
    * [HBASE-12402] - ZKPermissionWatcher race condition in refreshing the cache leaving stale ACLs and causing AccessDenied
    * [HBASE-12407] - HConnectionKey doesn't contain CUSTOM_CONTROLLER_CONF_KEY in CONNECTION_PROPERTIES
    * [HBASE-12414] - Move HFileLink.exists() to base class
    * [HBASE-12417] - Scan copy constructor does not retain small attribute
    * [HBASE-12419] - "Partial cell read caused by EOF" ERRORs on replication source during replication
    * [HBASE-12420] - BucketCache logged startup message is egregiously large
    * [HBASE-12423] - Use a non-managed Table in TableOutputFormat
    * [HBASE-12428] - region_mover.rb script is broken if port is not specified
    * [HBASE-12440] - Region may remain offline on clean startup under certain race condition
    * [HBASE-12445] - hbase is removing all remaining cells immediately after the cell marked with marker = KeyValue.Type.DeleteColumn via PUT
    * [HBASE-12448] - Fix rate reporting in compaction progress DEBUG logging
    * [HBASE-12449] - Use the max timestamp of current or old cell's timestamp in HRegion.append()
    * [HBASE-12450] - Unbalance chaos monkey might kill all region servers without starting them back
    * [HBASE-12459] - Use a non-managed Table in mapred.TableOutputFormat
    * [HBASE-12460] - Moving Chore to hbase-common module.
    * [HBASE-12461] - FSVisitor logging is excessive
    * [HBASE-12464] - meta table region assignment stuck in the FAILED_OPEN state due to region server not fully ready to serve
    * [HBASE-12478] - HBASE-10141 and MIN_VERSIONS are not compatible
    * [HBASE-12479] - Backport HBASE-11689 (Track meta in transition) to 0.98 and branch-1
    * [HBASE-12490] - Replace uses of setAutoFlush(boolean, boolean)
    * [HBASE-12491] - TableMapReduceUtil.findContainingJar() NPE
    * [HBASE-12495] - Use interfaces in the shell scripts
    * [HBASE-12513] - Graceful stop script does not restore the balancer state
    * [HBASE-12514] - Cleanup HFileOutputFormat legacy code
    * [HBASE-12520] - Add protected getters on TableInputFormatBase
    * [HBASE-12533] - staging directories are not deleted after secure bulk load
    * [HBASE-12536] - Reduce the effective scope of GLOBAL CREATE and ADMIN permission
    * [HBASE-12537] - HBase should log the remote host on replication error
    * [HBASE-12539] - HFileLinkCleaner logs are uselessly noisy
    * [HBASE-12541] - Add misc debug logging to hanging tests in TestHCM and TestBaseLoadBalancer
    * [HBASE-12544] - ops_mgt.xml missing in branch-1
    * [HBASE-12550] - Check all storefiles are referenced before splitting
    * [HBASE-12560] - [WINDOWS] Append the classpath from Hadoop to HBase classpath in bin/hbase.cmd
    * [HBASE-12576] - Add metrics for rolling the HLog if there are too few DN's in the write pipeline
    * [HBASE-12580] - Zookeeper instantiated even though we might not need it in the shell
    * [HBASE-12581] - TestCellACLWithMultipleVersions failing since task 5 HBASE-12404 (HBASE-12404 addendum)
    * [HBASE-12584] - Fix branch-1 failing since task 5 HBASE-12404 (HBASE-12404 addendum)
    * [HBASE-12595] - Use Connection.getTable() in table.rb
    * [HBASE-12600] - Remove REPLAY tag dependency in Distributed Replay Mode
    * [HBASE-12610] - Close connection in TableInputFormatBase
    * [HBASE-12611] - Create autoCommit() method and remove clearBufferOnFail
    * [HBASE-12614] - Potentially unclosed StoreFile(s) in DefaultCompactor#compact()
    * [HBASE-12616] - We lost the IntegrationTestBigLinkedList COMMANDS in recent usage refactoring




** Improvement
    * [HBASE-2609] - Harmonize the Get and Delete operations
    * [HBASE-4955] - Use the official versions of surefire & junit
    * [HBASE-8361] - Bulk load and other utilities should not create tables for user
    * [HBASE-8572] - Enhance delete_snapshot.rb to call snapshot deletion API with regex
    * [HBASE-10082] - Describe 'table' output is all on one line, could use better formatting
    * [HBASE-10483] - Provide API for retrieving info port when hbase.master.info.port is set to 0
    * [HBASE-11639] - [Visibility controller] Replicate the visibility of Cells as strings
    * [HBASE-11870] - Optimization : Avoid copy of key and value for tags addition in AC and VC
    * [HBASE-12161] - Add support for grant/revoke on namespaces in AccessControlClient
    * [HBASE-12243] - HBaseFsck should auto set ignorePreCheckPermission to true if no fix option is set.
    * [HBASE-12249] - Script to help you adhere to the patch-naming guidelines
    * [HBASE-12264] - ImportTsv should fail fast if output is not specified and table does not exist
    * [HBASE-12271] - Add counters for files skipped during snapshot export
    * [HBASE-12272] - Generate Thrift code through maven
    * [HBASE-12328] - Need to separate JvmMetrics for Master and RegionServer
    * [HBASE-12389] - Reduce the number of versions configured for the ACL table
    * [HBASE-12390] - Change revision style from svn to git
    * [HBASE-12411] - Optionally enable p-reads and private readers for compactions
    * [HBASE-12416] - RegionServerCallable should report what host it was communicating with
    * [HBASE-12424] - Finer grained logging and metrics for split transactions
    * [HBASE-12432] - RpcRetryingCaller should log after fixed number of retries like AsyncProcess
    * [HBASE-12434] - Add a command to compact all the regions in a regionserver
    * [HBASE-12447] - Add support for setTimeRange for RowCounter and CellCounter
    * [HBASE-12455] - Add 'description' to bean and attribute output when you do /jmx?description=true
    * [HBASE-12529] - Use ThreadLocalRandom for RandomQueueBalancer
    * [HBASE-12569] - Control MaxDirectMemorySize in the same manner as heap size

** New Feature
    * [HBASE-8707] - Add LongComparator for filter
    * [HBASE-12286] - [shell] Add server/cluster online load of configuration changes
    * [HBASE-12361] - Show data locality of region in table page
    * [HBASE-12496] - A blockedRequestsCount metric








** Task
    * [HBASE-10200] - Better error message when HttpServer fails to start due to java.net.BindException
    * [HBASE-10870] - Deprecate and replace HCD methods that have a 'should' prefix with a 'get' instead
    * [HBASE-12250] - Adding an endpoint for updating the regionserver config
    * [HBASE-12344] - Split up TestAdmin
    * [HBASE-12381] - Add maven enforcer rules for build assumptions
    * [HBASE-12388] - Document that WALObservers don't get empty edits.
    * [HBASE-12427] - Change branch-1 version from 0.99.2-SNAPSHOT to 0.99.3-SNAPSHOT
    * [HBASE-12442] - Bring KeyValue#createFirstOnRow() back to branch-1 as deprecated methods
    * [HBASE-12456] - Update surefire from 2.18-SNAPSHOT to 2.18
    * [HBASE-12516] - Clean up master so QA Bot is in known good state
    * [HBASE-12522] - Backport WAL refactoring to branch-1


** Test
    * [HBASE-12317] - Run IntegrationTestRegionReplicaPerf w.o mapred
    * [HBASE-12335] - IntegrationTestRegionReplicaPerf is flaky
    * [HBASE-12367] - Integration tests should not restore the cluster if the CM is not destructive
    * [HBASE-12378] - Add a test to verify that the read-replica is able to read after a compaction
    * [HBASE-12401] - Add some timestamp signposts in IntegrationTestMTTR
    * [HBASE-12403] - IntegrationTestMTTR flaky due to aggressive RS restart timeout
    * [HBASE-12472] - Improve debuggability of IntegrationTestBulkLoad
    * [HBASE-12549] - Fix TestAssignmentManagerOnCluster#testAssignRacingWithSSH() flaky test
    * [HBASE-12554] - TestBaseLoadBalancer may timeout due to lengthy rack lookup

** Umbrella
    * [HBASE-10602] - Cleanup HTable public interface
    * [HBASE-10856] - Prep for 1.0



Release Notes - HBase - Version 0.99.1 10/15/2014

** Sub-task
    * [HBASE-11160] - Undo append waiting on region edit/sequence id update
    * [HBASE-11178] - Remove deprecation annotations from mapred namespace
    * [HBASE-11738] - Document improvements to LoadTestTool and PerformanceEvaluation
    * [HBASE-11872] - Avoid usage of KeyValueUtil#ensureKeyValue from Compactor
    * [HBASE-11874] - Support Cell to be passed to StoreFile.Writer rather than KeyValue
    * [HBASE-11917] - Deprecate / Remove HTableUtil
    * [HBASE-11920] - Add CP hooks for ReplicationEndPoint
    * [HBASE-11930] - Document new permission check to roll WAL writer
    * [HBASE-11980] - Change sync to hsync, remove unused InfoServer, and reference our httpserver instead of hadoops
    * [HBASE-11997] - CopyTable with bulkload
    * [HBASE-12023] - HRegion.applyFamilyMapToMemstore creates too many iterator objects.
    * [HBASE-12046] - HTD/HCD setters should be builder-style
    * [HBASE-12047] - Avoid usage of KeyValueUtil#ensureKeyValue in simple cases
    * [HBASE-12050] - Avoid KeyValueUtil#ensureKeyValue from DefaultMemStore
    * [HBASE-12051] - Avoid KeyValueUtil#ensureKeyValue from DefaultMemStore
    * [HBASE-12059] - Create hbase-annotations module
    * [HBASE-12062] - Fix usage of Collections.toArray
    * [HBASE-12068] - [Branch-1] Avoid need to always do KeyValueUtil#ensureKeyValue for Filter transformCell
    * [HBASE-12069] - Finish making HFile.Writer Cell-centric; undo APIs that expect KV serializations.
    * [HBASE-12076] - Move InterfaceAudience imports to hbase-annotations
    * [HBASE-12077] - FilterLists create many ArrayList$Itr objects per row.
    * [HBASE-12079] - Deprecate KeyValueUtil#ensureKeyValue(s)
    * [HBASE-12082] - Find a way to set timestamp on Cells on the server
    * [HBASE-12086] - Fix bugs in HTableMultiplexer
    * [HBASE-12096] - In ZKSplitLog Coordination and AggregateImplementation replace enhaced for statements with basic for statement to avoid unnecessary object allocation
    * [HBASE-12104] - Some optimization and bugfix for HTableMultiplexer
    * [HBASE-12110] - Fix .arcconfig
    * [HBASE-12112] - Avoid KeyValueUtil#ensureKeyValue some more simple cases
    * [HBASE-12115] - Fix NumberFormat Exception in TableInputFormatBase.
    * [HBASE-12189] - Fix new issues found by coverity static analysis
    * [HBASE-12210] - Avoid KeyValue in Prefix Tree

** Bug
    * [HBASE-6994] - minor doc update about DEFAULT_ACCEPTABLE_FACTOR
    * [HBASE-8808] - Use Jacoco to generate Unit Test coverage reports
    * [HBASE-8936] - Fixing TestSplitLogWorker while running Jacoco tests.
    * [HBASE-9005] - Improve documentation around KEEP_DELETED_CELLS, time range scans, and delete markers
    * [HBASE-9513] - Why is PE#RandomSeekScanTest way slower in 0.96 than in 0.94?
    * [HBASE-10314] - Add Chaos Monkey that doesn't touch the master
    * [HBASE-10748] - hbase-daemon.sh fails to execute with 'sh' command
    * [HBASE-10757] - Change HTable class doc so it sends people to HCM getting instances
    * [HBASE-11145] - UNEXPECTED!!! when HLog sync: Queue full
    * [HBASE-11266] - Remove shaded references to logger
    * [HBASE-11394] - Replication can have data loss if peer id contains hyphen "-"
    * [HBASE-11401] - Late-binding sequenceid presumes a particular KeyValue mvcc format hampering experiment
    * [HBASE-11405] - Multiple invocations of hbck in parallel disables balancer permanently
    * [HBASE-11804] - Raise default heap size if unspecified
    * [HBASE-11815] - Flush and compaction could just close the tmp writer if there is an exception
    * [HBASE-11890] - HBase REST Client is hard coded to http protocol
    * [HBASE-11906] - Meta data loss with distributed log replay
    * [HBASE-11967] - HMaster in standalone won't go down if it gets 'Unhandled exception'
    * [HBASE-11974] - When a disabled table is scanned, NotServingRegionException is thrown instead of TableNotEnabledException
    * [HBASE-11982] - Bootstraping hbase:meta table creates a WAL file in region dir
    * [HBASE-11988] - AC/VC system table create on postStartMaster fails too often in test
    * [HBASE-11991] - Region states may be out of sync
    * [HBASE-11994] - PutCombiner floods the M/R log with repeated log messages.
    * [HBASE-12007] - StochasticBalancer should avoid putting user regions on master
    * [HBASE-12019] - hbase-daemon.sh overwrite HBASE_ROOT_LOGGER and HBASE_SECURITY_LOGGER variables
    * [HBASE-12024] - Fix javadoc warning
    * [HBASE-12025] - TestHttpServerLifecycle.testStartedServerWithRequestLog hangs frequently
    * [HBASE-12034] - If I kill single RS in branch-1, all regions end up on Master!
    * [HBASE-12038] - Replace internal uses of signatures with byte[] and String tableNames to use the TableName equivalents.
    * [HBASE-12041] - AssertionError in HFilePerformanceEvaluation.UniformRandomReadBenchmark
    * [HBASE-12042] - Replace internal uses of HTable(Configuration, String) with HTable(Configuration, TableName)
    * [HBASE-12043] - REST server should respond with FORBIDDEN(403) code on AccessDeniedException
    * [HBASE-12044] - REST delete operation should not retry disableTable for DoNotRetryIOException
    * [HBASE-12045] - REST proxy users configuration in hbase-site.xml is ignored
    * [HBASE-12052] - BulkLoad Failed due to no write permission on input files
    * [HBASE-12054] - bad state after NamespaceUpgrade with reserved table names
    * [HBASE-12056] - RPC logging too much in DEBUG mode
    * [HBASE-12064] - hbase.master.balancer.stochastic.numRegionLoadsToRemember is not used
    * [HBASE-12065] -  Import tool is not restoring multiple DeleteFamily markers of a row
    * [HBASE-12067] - Remove deprecated metrics classes.
    * [HBASE-12078] - Missing Data when scanning using PREFIX_TREE DATA-BLOCK-ENCODING
    * [HBASE-12095] - SecureWALCellCodec should handle the case where encryption is disabled
    * [HBASE-12098] - User granted namespace table create permissions can't create a table
    * [HBASE-12099] - TestScannerModel fails if using jackson 1.9.13
    * [HBASE-12106] - Move test annotations to test artifact
    * [HBASE-12109] - user_permission command for namespace does not return correct result
    * [HBASE-12119] - Master regionserver web UI NOT_FOUND
    * [HBASE-12120] - HBase shell doesn't allow deleting of a cell by user with W-only permissions to it
    * [HBASE-12122] - Try not to assign user regions to master all the time
    * [HBASE-12123] - Failed assertion in BucketCache after 11331
    * [HBASE-12124] - Closed region could stay closed if master stops at bad time
    * [HBASE-12126] - Region server coprocessor endpoint
    * [HBASE-12130] - HBASE-11980 calls hflush and hsync doing near double the syncing work
    * [HBASE-12134] - publish_website.sh script is too optimistic
    * [HBASE-12135] - Website is broken
    * [HBASE-12136] - Race condition between client adding tableCF replication znode and  server triggering TableCFsTracker
    * [HBASE-12137] - Alter table add cf doesn't do compression test
    * [HBASE-12139] - StochasticLoadBalancer doesn't work on large lightly loaded clusters
    * [HBASE-12140] - Add ConnectionFactory.createConnection() to create using default HBaseConfiguration.
    * [HBASE-12145] - Fix javadoc and findbugs so new folks aren't freaked when they see them
    * [HBASE-12146] - RegionServerTracker should escape data in log messages
    * [HBASE-12149] - TestRegionPlacement is failing undeterministically
    * [HBASE-12151] - Make dev scripts executable
    * [HBASE-12153] - Fixing TestReplicaWithCluster
    * [HBASE-12156] - TableName cache isn't used for one of valueOf methods.
    * [HBASE-12158] - TestHttpServerLifecycle.testStartedServerWithRequestLog goes zombie on occasion
    * [HBASE-12160] - Make Surefire's argLine configurable in the command line
    * [HBASE-12164] - Check for presence of user Id in SecureBulkLoadEndpoint#secureBulkLoadHFiles() is inaccurate
    * [HBASE-12165] - TestEndToEndSplitTransaction.testFromClientSideWhileSplitting fails
    * [HBASE-12166] - TestDistributedLogSplitting.testMasterStartsUpWithLogReplayWork
    * [HBASE-12167] - NPE in AssignmentManager
    * [HBASE-12170] - TestReplicaWithCluster.testReplicaAndReplication timeouts
    * [HBASE-12181] - Some tests create a table and try to use it before regions get assigned
    * [HBASE-12183] - FuzzyRowFilter doesn't support reverse scans
    * [HBASE-12184] - ServerShutdownHandler throws NPE
    * [HBASE-12191] - Make TestCacheOnWrite faster.
    * [HBASE-12196] - SSH should retry in case failed to assign regions
    * [HBASE-12197] - Move REST
    * [HBASE-12198] - Fix the bug of not updating location cache
    * [HBASE-12199] - Make TestAtomicOperation and TestEncodedSeekers faster
    * [HBASE-12200] - When an RPC server handler thread dies, throw exception
    * [HBASE-12206] - NPE in RSRpcServices
    * [HBASE-12209] - NPE in HRegionServer#getLastSequenceId
    * [HBASE-12218] - Make HBaseCommonTestingUtil#deleteDir try harder

** Improvement
    * [HBASE-10153] - improve VerifyReplication to compute BADROWS more accurately
    * [HBASE-10411] - [Book] Add a kerberos 'request is a replay (34)' issue at troubleshooting section
    * [HBASE-11796] - Add client support for atomic checkAndMutate
    * [HBASE-11879] - Change TableInputFormatBase to take interface arguments
    * [HBASE-11907] - Use the joni byte[] regex engine in place of j.u.regex in RegexStringComparator
    * [HBASE-11948] - graceful_stop.sh should use hbase-daemon.sh when executed on the decomissioned node
    * [HBASE-12010] - Use TableName.META_TABLE_NAME instead of indirectly from HTableDescriptor
    * [HBASE-12011] - Add namespace column during display of user tables
    * [HBASE-12013] - Make region_mover.rb support multiple regionservers per host
    * [HBASE-12021] - Hbase shell does not respect the HBASE_OPTS set by the user in console
    * [HBASE-12032] - Script to stop regionservers via RPC
    * [HBASE-12049] - Help for alter command is a bit confusing
    * [HBASE-12090] - Bytes: more Unsafe, more Faster
    * [HBASE-12118] - Explain how to grant permission to a namespace in grant command usage
    * [HBASE-12176] - WALCellCodec Encoders support for non-KeyValue Cells
    * [HBASE-12212] - HBaseTestingUtility#waitUntilAllRegionsAssigned should wait for RegionStates
    * [HBASE-12220] - Add hedgedReads and hedgedReadWins metrics

** New Feature
    * [HBASE-11990] - Make setting the start and stop row for a specific prefix easier
    * [HBASE-11995] - Use Connection and ConnectionFactory where possible
    * [HBASE-12127] - Move the core Connection creation functionality into ConnectionFactory
    * [HBASE-12133] - Add FastLongHistogram for metric computation
    * [HBASE-12143] - Minor fix for Table code

** Task
    * [HBASE-9004] - Fix Documentation around Minor compaction and ttl
    * [HBASE-11692] - Document how and why to do a manual region split
    * [HBASE-11730] - Document release managers for non-deprecated branches
    * [HBASE-11761] - Add a FAQ item for updating a maven-managed application from 0.94 -> 0.96+
    * [HBASE-11960] - Provide a sample to show how to use Thrift client authentication
    * [HBASE-11978] - Backport 'HBASE-7767 Get rid of ZKTable, and table enable/disable state in ZK' to 1.0
    * [HBASE-11981] - Document how to find the units of measure for a given HBase metric

** Test
    * [HBASE-11798] - TestBucketWriterThread may hang due to WriterThread stopping prematurely
    * [HBASE-11838] - Enable PREFIX_TREE in integration tests
    * [HBASE-12008] - Remove IntegrationTestImportTsv#testRunFromOutputCommitter
    * [HBASE-12055] - TestBucketWriterThread hangs flakily based on timing


Release Notes - HBase - Version 0.99.0 9/22/2014

** Sub-task
    * [HBASE-2251] - PE defaults to 1k rows - uncommon use case, and easy to hit benchmarks
    * [HBASE-5175] - Add DoubleColumnInterpreter
    * [HBASE-6873] - Clean up Coprocessor loading failure handling
    * [HBASE-8541] - implement flush-into-stripes in stripe compactions
    * [HBASE-9149] - javadoc cleanup of to reflect .META. rename to hbase:meta
    * [HBASE-9261] - Add cp hooks after {start|close}RegionOperation
    * [HBASE-9489] - Add cp hooks in online merge before and after setting PONR
    * [HBASE-9846] - Integration test and LoadTestTool support for cell ACLs
    * [HBASE-9858] - Integration test and LoadTestTool support for cell Visibility
    * [HBASE-9889] - Make sure we clean up scannerReadPoints upon any exceptions
    * [HBASE-9941] - The context ClassLoader isn't set while calling into a coprocessor
    * [HBASE-9966] - Create IntegrationTest for Online Bloom Filter Change
    * [HBASE-9977] - Define C interface of HBase Client Asynchronous APIs
    * [HBASE-10043] - Fix Potential Resouce Leak in MultiTableInputFormatBase
    * [HBASE-10094] - Add batching to HLogPerformanceEvaluation
    * [HBASE-10110] - Fix Potential Resource Leak in StoreFlusher
    * [HBASE-10124] - Make Sub Classes Static When Possible
    * [HBASE-10143] - Clean up dead local stores in FSUtils
    * [HBASE-10150] - Write attachment Id of tested patch into JIRA comment
    * [HBASE-10156] - FSHLog Refactor (WAS -> Fix up the HBASE-8755 slowdown when low contention)
    * [HBASE-10158] - Add sync rate histogram to HLogPE
    * [HBASE-10169] - Batch coprocessor
    * [HBASE-10297] - LoadAndVerify Integration Test for cell visibility
    * [HBASE-10347] - HRegionInfo changes for adding replicaId and MetaEditor/MetaReader changes for region replicas
    * [HBASE-10348] - HTableDescriptor changes for region replicas
    * [HBASE-10350] - Master/AM/RegionStates changes to create and assign region replicas
    * [HBASE-10351] - LoadBalancer changes for supporting region replicas
    * [HBASE-10352] - Region and RegionServer changes for opening region replicas, and refreshing store files
    * [HBASE-10354] - Add an API for defining consistency per request
    * [HBASE-10355] - Failover RPC's from client using region replicas
    * [HBASE-10356] - Failover RPC's for multi-get
    * [HBASE-10357] - Failover RPC's for scans
    * [HBASE-10359] - Master/RS WebUI changes for region replicas
    * [HBASE-10361] - Enable/AlterTable support for region replicas
    * [HBASE-10362] - HBCK changes for supporting region replicas
    * [HBASE-10391] - Deprecate KeyValue#getBuffer
    * [HBASE-10420] - Replace KV.getBuffer with KV.get{Row|Family|Qualifier|Value|Tags}Array
    * [HBASE-10513] - Provide user documentation for region replicas
    * [HBASE-10517] - NPE in MetaCache.clearCache()
    * [HBASE-10519] - Add handling for swallowed InterruptedException thrown by Thread.sleep in rest related files
    * [HBASE-10520] - Add handling for swallowed InterruptedException thrown by Thread.sleep in MiniZooKeeperCluster
    * [HBASE-10521] - Add handling for swallowed InterruptedException thrown by Thread.sleep in RpcServer
    * [HBASE-10522] - Correct wrong handling and add proper handling for swallowed InterruptedException thrown by Thread.sleep in client
    * [HBASE-10523] - Correct wrong handling and add proper handling for swallowed InterruptedException thrown by Thread.sleep in util
    * [HBASE-10524] - Correct wrong handling and add proper handling for swallowed InterruptedException thrown by Thread.sleep in regionserver
    * [HBASE-10526] - Using Cell instead of KeyValue in HFileOutputFormat
    * [HBASE-10529] - Make Cell extend Cloneable
    * [HBASE-10530] - Add util methods in CellUtil
    * [HBASE-10531] - Revisit how the key byte[] is passed to HFileScanner.seekTo and reseekTo
    * [HBASE-10532] - Make KeyValueComparator in KeyValue to accept Cell instead of KeyValue.
    * [HBASE-10550] - Register HBase tokens with ServiceLoader
    * [HBASE-10561] - Forward port: HBASE-10212 New rpc metric: number of active handler
    * [HBASE-10572] - Create an IntegrationTest for region replicas
    * [HBASE-10573] - Use Netty 4
    * [HBASE-10616] - Integration test for multi-get calls
    * [HBASE-10620] - LoadBalancer.needsBalance() should check for co-located region replicas as well
    * [HBASE-10630] - NullPointerException in ConnectionManager$HConnectionImplementation.locateRegionInMeta() due to missing region info
    * [HBASE-10633] - StoreFileRefresherChore throws ConcurrentModificationException sometimes
    * [HBASE-10634] - Multiget doesn't fully work
    * [HBASE-10648] - Pluggable Memstore
    * [HBASE-10650] - Fix incorrect handling of IE that restores current thread's interrupt status within while/for loops in RegionServer
    * [HBASE-10651] - Fix incorrect handling of IE that restores current thread's interrupt status within while/for loops in Replication
    * [HBASE-10652] - Fix incorrect handling of IE that restores current thread's interrupt status within while/for loops in rpc
    * [HBASE-10661] - TestStochasticLoadBalancer.testRegionReplicationOnMidClusterWithRacks() is flaky
    * [HBASE-10672] - Table snapshot should handle tables whose REGION_REPLICATION is greater than one
    * [HBASE-10680] - Check if the block keys, index keys can be used as Cells instead of byte[]
    * [HBASE-10688] - Add a draining_node script to manage nodes in draining mode
    * [HBASE-10691] - test-patch.sh should continue even if compilation against hadoop 1.0 / 1.1 fails
    * [HBASE-10697] - Convert TestSimpleTotalOrderPartitioner to junit4 test
    * [HBASE-10701] - Cache invalidation improvements from client side
    * [HBASE-10704] - BaseLoadBalancer#roundRobinAssignment() may add same region to assignment plan multiple times
    * [HBASE-10717] - TestFSHDFSUtils#testIsSameHdfs fails with IllegalArgumentException running against hadoop 2.3
    * [HBASE-10723] - Convert TestExplicitColumnTracker to junit4 test
    * [HBASE-10729] - Enable table doesn't balance out replicas evenly if the replicas were unassigned earlier
    * [HBASE-10734] - Fix RegionStates.getRegionAssignments to not add duplicate regions
    * [HBASE-10741] - Deprecate HTablePool and HTableFactory
    * [HBASE-10743] - Replica map update is problematic in RegionStates
    * [HBASE-10750] - Pluggable MemStoreLAB
    * [HBASE-10778] - Unique keys accounting in MultiThreadedReader is incorrect
    * [HBASE-10779] - Doc hadoop1 deprecated in 0.98 and NOT supported in hbase 1.0
    * [HBASE-10781] - Remove hadoop-one-compat module and all references to hadoop1
    * [HBASE-10791] - Add integration test to demonstrate performance improvement
    * [HBASE-10794] - multi-get should handle replica location missing from cache
    * [HBASE-10796] - Set default log level as INFO
    * [HBASE-10801] - Ensure DBE interfaces can work with Cell
    * [HBASE-10810] - LoadTestTool should share the connection and connection pool
    * [HBASE-10815] - Master regionserver should be rolling-upgradable
    * [HBASE-10817] - Add some tests on a real cluster for replica: multi master, replication
    * [HBASE-10818] - Add integration test for bulkload with replicas
    * [HBASE-10822] - Thread local addendum to HBASE-10656 Counter
    * [HBASE-10841] - Scan,Get,Put,Delete,etc setters should consistently return this
    * [HBASE-10855] - Enable hfilev3 by default
    * [HBASE-10858] - TestRegionRebalancing is failing
    * [HBASE-10859] - Use HFileLink in opening region files from secondaries
    * [HBASE-10888] - Enable distributed log replay as default
    * [HBASE-10915] - Decouple region closing (HM and HRS) from ZK
    * [HBASE-10918] - [VisibilityController] System table backed ScanLabelGenerator
    * [HBASE-10929] - Change ScanQueryMatcher to use Cells instead of KeyValue.
    * [HBASE-10930] - Change Filters and GetClosestRowBeforeTracker to work with Cells
    * [HBASE-10957] - HBASE-10070: HMaster can abort with NPE in #rebuildUserRegions
    * [HBASE-10962] - Decouple region opening (HM and HRS) from ZK
    * [HBASE-10963] - Refactor cell ACL tests
    * [HBASE-10972] - OOBE in prefix key encoding
    * [HBASE-10985] - Decouple Split Transaction from Zookeeper
    * [HBASE-10993] - Deprioritize long-running scanners
    * [HBASE-11025] - Infrastructure for pluggable consensus service
    * [HBASE-11027] - Remove kv.isDeleteXX() and related methods and use CellUtil apis.
    * [HBASE-11053] - Change DeleteTracker APIs to work with Cell
    * [HBASE-11054] - Create new hook in StoreScanner to help user creating his own delete tracker
    * [HBASE-11059] - ZK-less region assignment
    * [HBASE-11069] - Decouple region merging from ZooKeeper
    * [HBASE-11072] - Abstract WAL splitting from ZK
    * [HBASE-11077] - [AccessController] Restore compatible early-out access denial
    * [HBASE-11088] - Support Visibility Expression Deletes in Shell
    * [HBASE-11092] - Server interface should have method getConsensusProvider()
    * [HBASE-11094] - Distributed log replay is incompatible for rolling restarts
    * [HBASE-11098] - Improve documentation around our blockcache options
    * [HBASE-11101] - Documentation review
    * [HBASE-11102] - Document JDK versions supported by each release
    * [HBASE-11108] - Split ZKTable into interface and implementation
    * [HBASE-11109] - flush region sequence id may not be larger than all edits flushed
    * [HBASE-11135] - Change region sequenceid generation so happens earlier in the append cycle rather than just before added to file
    * [HBASE-11140] - LocalHBaseCluster should create ConsensusProvider per each server
    * [HBASE-11161] - Provide example of POJO encoding with protobuf
    * [HBASE-11171] - More doc improvements on block cache options
    * [HBASE-11214] - Fixes for scans on a replicated table
    * [HBASE-11229] - Change block cache percentage metrics to be doubles rather than ints
    * [HBASE-11280] - Document distributed log replay and distributed log splitting
    * [HBASE-11307] - Deprecate SlabCache
    * [HBASE-11318] - Classes in security subpackages missing @InterfaceAudience annotations.
    * [HBASE-11332] - Fix for metas location cache from HBASE-10785
    * [HBASE-11367] - Pluggable replication endpoint
    * [HBASE-11372] - Remove SlabCache
    * [HBASE-11384] - [Visibility Controller]Check for users covering authorizations for every mutation
    * [HBASE-11395] - Add logging for HBase table operations
    * [HBASE-11471] - Move TableStateManager and ZkTableStateManager and Server to hbase-server
    * [HBASE-11483] - Check the rest of the book for new XML validity errors and fix
    * [HBASE-11508] - Document changes to IPC config parameters from HBASE-11492
    * [HBASE-11511] - Write flush events to WAL
    * [HBASE-11512] - Write region open/close events to WAL
    * [HBASE-11520] - Simplify offheap cache config by removing the confusing "hbase.bucketcache.percentage.in.combinedcache"
    * [HBASE-11559] - Add dumping of DATA block usage to the BlockCache JSON report.
    * [HBASE-11572] - Add support for doing get/scans against a particular replica_id
    * [HBASE-11573] - Report age on eviction
    * [HBASE-11610] - Enhance remote meta updates
    * [HBASE-11651] - Add conf which disables MetaMigrationConvertingToPB check (for experts only)
    * [HBASE-11722] - Document new shortcut commands introduced by HBASE-11649
    * [HBASE-11734] - Document changed behavior of hbase.hstore.time.to.purge.deletes
    * [HBASE-11736] - Document SKIP_FLUSH snapshot option
    * [HBASE-11737] - Document callQueue improvements from HBASE-11355 and HBASE-11724
    * [HBASE-11739] - Document blockCache contents report in the UI
    * [HBASE-11740] - RegionStates.getRegionAssignments() gets stuck on clone
    * [HBASE-11752] - Document blockcache prefetch option
    * [HBASE-11753] - Document HBASE_SHELL_OPTS environment variable
    * [HBASE-11781] - Document new TableMapReduceUtil scanning options
    * [HBASE-11784] - Document global configuration for maxVersion
    * [HBASE-11822] - Convert EnvironmentEdge#getCurrentTimeMillis to getCurrentTime
    * [HBASE-11919] - Remove the deprecated pre/postGet CP hook
    * [HBASE-11923] - Potential race condition in RecoverableZookeeper.checkZk()
    * [HBASE-11934] - Support KeyValueCodec to encode non KeyValue cells.
    * [HBASE-11941] - Rebuild site because of major structural changes to HTML
    * [HBASE-11963] - Synchronize peer cluster replication connection attempts

** Brainstorming
    * [HBASE-9507] - Promote methods of WALActionsListener to WALObserver
    * [HBASE-11209] - Increase the default value for hbase.hregion.memstore.block.multipler from 2 to 4

** Bug
    * [HBASE-3787] - Increment is non-idempotent but client retries RPC
    * [HBASE-4931] - CopyTable instructions could be improved.
    * [HBASE-5356] - region_mover.rb can hang if table region it belongs to is deleted.
    * [HBASE-6506] - Setting CACHE_BLOCKS to false in an hbase shell scan doesn't work
    * [HBASE-6642] - enable_all,disable_all,drop_all can call "list" command with regex directly.
    * [HBASE-6701] - Revisit thrust of paragraph on splitting
    * [HBASE-7226] - HRegion.checkAndMutate uses incorrect comparison result for <, <=, > and >=
    * [HBASE-7963] - HBase VerifyReplication not working when security enabled
    * [HBASE-8112] - Deprecate HTable#batch(final List<? extends Row>)
    * [HBASE-8269] - Fix data locallity documentation.
    * [HBASE-8304] - Bulkload fails to remove files if fs.default.name / fs.defaultFS is configured without default port
    * [HBASE-8529] - checkOpen is missing from multi, mutate, get and multiGet etc.
    * [HBASE-8701] - distributedLogReplay need to apply wal edits in the receiving order of those edits
    * [HBASE-8713] - [hadoop1] Log spam each time the WAL is rolled
    * [HBASE-8803] - region_mover.rb should move multiple regions at a time
    * [HBASE-8817] - Enhance The Apache HBase Reference Guide
    * [HBASE-9151] - HBCK cannot fix when meta server znode deleted, this can happen if all region servers stopped and there are no logs to split.
    * [HBASE-9292] - Syncer fails but we won't go down
    * [HBASE-9294] - NPE in /rs-status during RS shutdown
    * [HBASE-9346] - HBCK should provide an option to check if regions boundaries are the same in META and in stores.
    * [HBASE-9445] - Snapshots should create column family dirs for empty regions
    * [HBASE-9473] - Change UI to list 'system tables' rather than 'catalog tables'.
    * [HBASE-9485] - TableOutputCommitter should implement recovery if we don't want jobs to start from 0 on RM restart
    * [HBASE-9708] - Improve Snapshot Name Error Message
    * [HBASE-9721] - RegionServer should not accept regionOpen RPC intended for another(previous) server
    * [HBASE-9745] - Append HBASE_CLASSPATH to end of Java classpath and use another env var for prefix
    * [HBASE-9746] - RegionServer can't start when replication tries to replicate to an unknown host
    * [HBASE-9754] - Eliminate threadlocal from MVCC code
    * [HBASE-9778] - Add hint to ExplicitColumnTracker to avoid seeking
    * [HBASE-9990] - HTable uses the conf for each "newCaller"
    * [HBASE-10018] - Remove region location prefetching
    * [HBASE-10061] - TableMapReduceUtil.findOrCreateJar calls updateMap(null, ) resulting in thrown NPE
    * [HBASE-10069] - Potential duplicate calls to log#appendNoSync() in HRegion#doMiniBatchMutation()
    * [HBASE-10073] - Revert HBASE-9718 (Add a test scope dependency on org.slf4j:slf4j-api to hbase-client)
    * [HBASE-10079] - Race in TableName cache
    * [HBASE-10080] - Unnecessary call to locateRegion when creating an HTable instance
    * [HBASE-10084] - [WINDOWS] bin\hbase.cmd should allow whitespaces in java.library.path and classpath
    * [HBASE-10087] - Store should be locked during a memstore snapshot
    * [HBASE-10090] - Master could hang in assigning meta
    * [HBASE-10097] - Remove a region name string creation in HRegion#nextInternal
    * [HBASE-10098] - [WINDOWS] pass in native library directory from hadoop for unit tests
    * [HBASE-10099] - javadoc warning introduced by LabelExpander 188: warning - @return tag has no arguments
    * [HBASE-10101] - testOfflineRegionReAssginedAfterMasterRestart times out sometimes.
    * [HBASE-10103] - TestNodeHealthCheckChore#testRSHealthChore: Stoppable must have been stopped
    * [HBASE-10107] - [JDK7] TestHBaseSaslRpcClient.testHBaseSaslRpcClientCreation failing on Jenkins
    * [HBASE-10108] - NullPointerException thrown while use Canary with '-regionserver' option
    * [HBASE-10112] - Hbase rest query params for maxVersions and maxValues are not parsed
    * [HBASE-10114] - _scan_internal() in table.rb should accept argument that specifies reverse scan
    * [HBASE-10117] - Avoid synchronization in HRegionScannerImpl.isFilterDone
    * [HBASE-10118] - Major compact keeps deletes with future timestamps
    * [HBASE-10120] - start-hbase.sh doesn't respect --config in non-distributed mode
    * [HBASE-10123] - Change default ports; move them out of linux ephemeral port range
    * [HBASE-10132] - sun.security.pkcs11.wrapper.PKCS11Exception: CKR_ARGUMENTS_BAD
    * [HBASE-10135] - Remove ? extends from HLogSplitter#getOutputCounts
    * [HBASE-10137] - GeneralBulkAssigner with retain assignment plan can be used in EnableTableHandler to bulk assign the regions
    * [HBASE-10138] - incorrect or confusing test value is used in block caches
    * [HBASE-10142] - TestLogRolling#testLogRollOnDatanodeDeath test failure
    * [HBASE-10146] - Bump HTrace version to 2.04
    * [HBASE-10148] - [VisibilityController] Tolerate regions in recovery
    * [HBASE-10149] - TestZKPermissionsWatcher.testPermissionsWatcher test failure
    * [HBASE-10155] - HRegion isRecovering state is wrongly coming in postOpen hook
    * [HBASE-10161] - [AccessController] Tolerate regions in recovery
    * [HBASE-10163] - Example Thrift DemoClient is flaky
    * [HBASE-10176] - Canary#sniff() should close the HTable instance
    * [HBASE-10178] - Potential null object dereference in TablePermission#equals()
    * [HBASE-10179] - HRegionServer underreports readRequestCounts by 1 under certain conditions
    * [HBASE-10182] - Potential null object deference in AssignmentManager#handleRegion()
    * [HBASE-10186] - region_mover.rb broken because ServerName constructor is changed to private
    * [HBASE-10187] - AccessController#preOpen - Include 'labels' table also into special tables list.
    * [HBASE-10193] - Cleanup HRegion if one of the store fails to open at region initialization
    * [HBASE-10194] - [Usability]: Instructions in CompactionTool no longer accurate because of namespaces
    * [HBASE-10196] - Enhance HBCK to understand the case after online region merge
    * [HBASE-10205] - ConcurrentModificationException in BucketAllocator
    * [HBASE-10207] - ZKVisibilityLabelWatcher : Populate the labels cache on startup
    * [HBASE-10210] - during master startup, RS can be you-are-dead-ed by master in error
    * [HBASE-10215] - TableNotFoundException should be thrown after removing stale znode in ETH
    * [HBASE-10219] - HTTPS support for HBase in RegionServerListTmpl.jamon
    * [HBASE-10220] - Put all test service principals into the superusers list
    * [HBASE-10221] - Region from coprocessor invocations can be null on failure
    * [HBASE-10223] - [VisibilityController] cellVisibility presence check on Delete mutation is wrong
    * [HBASE-10225] - Bug in calls to RegionObsever.postScannerFilterRow
    * [HBASE-10226] - [AccessController] Namespace grants not always checked
    * [HBASE-10231] - Potential NPE in HBaseFsck#checkMetaRegion()
    * [HBASE-10232] - Remove native profile from hbase-shell
    * [HBASE-10233] - VisibilityController is too chatty at DEBUG level
    * [HBASE-10249] - TestReplicationSyncUpTool fails because failover takes too long
    * [HBASE-10251] - Restore API Compat for PerformanceEvaluation.generateValue()
    * [HBASE-10260] - Canary Doesn't pick up Configuration properly.
    * [HBASE-10264] - [MapReduce]: CompactionTool in mapred mode is missing classes in its classpath
    * [HBASE-10267] - TestNamespaceCommands occasionally fails
    * [HBASE-10268] - TestSplitLogWorker occasionally fails
    * [HBASE-10271] - [regression] Cannot use the wildcard address since HBASE-9593
    * [HBASE-10272] - Cluster becomes nonoperational if the node hosting the active Master AND ROOT/META table goes offline
    * [HBASE-10274] - MiniZookeeperCluster should close ZKDatabase when shutdown ZooKeeperServers
    * [HBASE-10284] - Build broken with svn 1.8
    * [HBASE-10292] - TestRegionServerCoprocessorExceptionWithAbort fails occasionally
    * [HBASE-10298] - TestIOFencing occasionally fails
    * [HBASE-10302] - Fix rat check issues in hbase-native-client.
    * [HBASE-10304] - Running an hbase job jar: IllegalAccessError: class com.google.protobuf.ZeroCopyLiteralByteString cannot access its superclass com.google.protobuf.LiteralByteString
    * [HBASE-10307] - IntegrationTestIngestWithEncryption assumes localhost cluster
    * [HBASE-10310] - ZNodeCleaner session expired for /hbase/master
    * [HBASE-10312] - Flooding the cluster with administrative actions leads to collapse
    * [HBASE-10313] - Duplicate servlet-api jars in hbase 0.96.0
    * [HBASE-10315] - Canary shouldn't exit with 3 if there is no master running.
    * [HBASE-10316] - Canary#RegionServerMonitor#monitorRegionServers() should close the scanner returned by table.getScanner()
    * [HBASE-10317] - getClientPort method of MiniZooKeeperCluster does not always return the correct value
    * [HBASE-10318] - generate-hadoopX-poms.sh expects the version to have one extra '-'
    * [HBASE-10320] - Avoid ArrayList.iterator() ExplicitColumnTracker
    * [HBASE-10321] - CellCodec has broken the 96 client to 98 server compatibility
    * [HBASE-10322] - Strip tags from KV while sending back to client on reads
    * [HBASE-10326] - Super user should be able scan all the cells irrespective of the visibility labels
    * [HBASE-10327] - Remove remove(K, V) from type PoolMap<K,V>
    * [HBASE-10329] - Fail the writes rather than proceeding silently to prevent data loss when AsyncSyncer encounters null writer and its writes aren't synced by other Asyncer
    * [HBASE-10330] - TableInputFormat/TableRecordReaderImpl leaks HTable
    * [HBASE-10332] - Missing .regioninfo file during daughter open processing
    * [HBASE-10333] - Assignments are not retained on a cluster start
    * [HBASE-10334] - RegionServer links in table.jsp is broken
    * [HBASE-10335] - AuthFailedException in zookeeper may block replication forever
    * [HBASE-10336] - Remove deprecated usage of Hadoop HttpServer in InfoServer
    * [HBASE-10337] - HTable.get() uninteruptible
    * [HBASE-10338] - Region server fails to start with AccessController coprocessor if installed into RegionServerCoprocessorHost
    * [HBASE-10339] - Mutation::getFamilyMap method was lost in 98
    * [HBASE-10349] - Table became unusable when master balanced its region after table was dropped
    * [HBASE-10365] - HBaseFsck should clean up connection properly when repair is completed
    * [HBASE-10370] - Compaction in out-of-date Store causes region split failure
    * [HBASE-10371] - Compaction creates empty hfile, then selects this file for compaction and creates empty hfile and over again
    * [HBASE-10375] - hbase-default.xml hbase.status.multicast.address.port does not match code
    * [HBASE-10384] - Failed to increment serveral columns in one Increment
    * [HBASE-10392] - Correct references to hbase.regionserver.global.memstore.upperLimit
    * [HBASE-10397] - Fix findbugs introduced from HBASE-9426
    * [HBASE-10400] - [hbck] Continue if region dir missing on region merge attempt
    * [HBASE-10401] - [hbck] perform overlap group merges in parallel
    * [HBASE-10407] - String Format Exception
    * [HBASE-10412] - Distributed log replay : Cell tags getting missed
    * [HBASE-10413] - Tablesplit.getLength returns 0
    * [HBASE-10417] - index is not incremented in PutSortReducer#reduce()
    * [HBASE-10422] - ZeroCopyLiteralByteString.zeroCopyGetBytes has an unusable prototype and conflicts with AsyncHBase
    * [HBASE-10426] - user_permission in security.rb calls non-existent UserPermission#getTable method
    * [HBASE-10428] - Test jars should have scope test
    * [HBASE-10429] - Make Visibility Controller to throw a better msg if it is of type RegionServerCoprocessor
    * [HBASE-10431] - Rename com.google.protobuf.ZeroCopyLiteralByteString
    * [HBASE-10432] - Rpc retries non-recoverable error
    * [HBASE-10433] - SecureProtobufWALReader does not handle unencrypted WALs if configured to encrypt
    * [HBASE-10434] - Store Tag compression information for a WAL in its header
    * [HBASE-10435] - Lower the log level of Canary region server match
    * [HBASE-10436] - restore regionserver lists removed from hbase 0.96+ jmx
    * [HBASE-10438] - NPE from LRUDictionary when size reaches the max init value
    * [HBASE-10441] - [docs] nit default max versions is now 1 instead of 3 after HBASE-8450
    * [HBASE-10442] - prepareDelete() isn't called before doPreMutationHook for a row deletion case
    * [HBASE-10443] - IndexOutOfBoundExceptions when processing compressed tags in HFile
    * [HBASE-10446] - Backup master gives Error 500 for debug dump
    * [HBASE-10447] - Memstore flusher scans storefiles also when the scanner heap gets reset
    * [HBASE-10448] - ZKUtil create and watch methods don't set watch in some cases
    * [HBASE-10449] - Wrong execution pool configuration in HConnectionManager
    * [HBASE-10451] - Enable back Tag compression on HFiles
    * [HBASE-10452] - Fix potential bugs in exception handlers
    * [HBASE-10454] - Tags presence file info can be wrong in HFiles when PrefixTree encoding is used
    * [HBASE-10455] - cleanup InterruptedException management
    * [HBASE-10456] - Balancer should not run if it's just turned off.
    * [HBASE-10458] - Typo in book chapter 9 architecture.html
    * [HBASE-10459] - Broken link F.1. HBase Videos
    * [HBASE-10460] - Return value of Scan#setSmall() should be void
    * [HBASE-10461] - table.close() in TableEventHandler#reOpenAllRegions() should be enclosed in finally block
    * [HBASE-10469] - Hbase book client.html has a broken link
    * [HBASE-10470] - Import generates huge log file while importing large amounts of data
    * [HBASE-10472] - Manage the interruption in ZKUtil#getData
    * [HBASE-10476] - HBase Master log grows very fast after stopped hadoop (due to connection exception)
    * [HBASE-10477] - Regression from HBASE-10337
    * [HBASE-10478] - Hbase book presentations page has broken link
    * [HBASE-10481] - API Compatibility JDiff script does not properly handle arguments in reverse order
    * [HBASE-10482] - ReplicationSyncUp doesn't clean up its ZK, needed for tests
    * [HBASE-10485] - PrefixFilter#filterKeyValue() should perform filtering on row key
    * [HBASE-10486] - ProtobufUtil Append & Increment deserialization lost cell level timestamp
    * [HBASE-10488] - 'mvn site' is broken due to org.apache.jasper.JspC not found
    * [HBASE-10490] - Simplify RpcClient code
    * [HBASE-10493] - InclusiveStopFilter#filterKeyValue() should perform filtering on row key
    * [HBASE-10495] - upgrade script is printing usage two times with help option.
    * [HBASE-10500] - Some tools OOM when BucketCache is enabled
    * [HBASE-10501] - Improve IncreasingToUpperBoundRegionSplitPolicy to avoid too many regions
    * [HBASE-10506] - Fail-fast if client connection is lost before the real call be executed in RPC layer
    * [HBASE-10510] - HTable is not closed in LoadTestTool#loadTable()
    * [HBASE-10514] - Forward port HBASE-10466, possible data loss when failed flushes
    * [HBASE-10516] - Refactor code where Threads.sleep is called within a while/for loop
    * [HBASE-10525] - Allow the client to use a different thread for writing to ease interrupt
    * [HBASE-10533] - commands.rb is giving wrong error messages on exceptions
    * [HBASE-10534] - Rowkey in TsvImporterTextMapper initializing with wrong length
    * [HBASE-10537] - Let the ExportSnapshot mapper fail and retry on error
    * [HBASE-10539] - HRegion.addAndGetGlobalMemstoreSize returns previous size
    * [HBASE-10545] - RS Hangs waiting on region to close on shutdown; has to timeout before can go down
    * [HBASE-10546] - Two scanner objects are open for each hbase map task but only one scanner object is closed
    * [HBASE-10547] - TestFixedLengthWrapper#testReadWrite occasionally fails with the IBM JDK
    * [HBASE-10548] - Correct commons-math dependency version
    * [HBASE-10549] - When there is a hole, LoadIncrementalHFiles will hang in an infinite loop.
    * [HBASE-10552] - HFilePerformanceEvaluation.GaussianRandomReadBenchmark fails sometimes.
    * [HBASE-10556] - Possible data loss due to non-handled DroppedSnapshotException for user-triggered flush from client/shell
    * [HBASE-10563] - Set name for FlushHandler thread
    * [HBASE-10564] - HRegionServer.nextLong should be removed since it's not used anywhere, or should be used somewhere it meant to
    * [HBASE-10565] - FavoredNodesPlan accidentally uses an internal Netty type
    * [HBASE-10566] - cleanup rpcTimeout in the client
    * [HBASE-10567] - Add overwrite manifest option to ExportSnapshot
    * [HBASE-10575] - ReplicationSource thread can't be terminated if it runs into the loop to contact peer's zk ensemble and fails continuously
    * [HBASE-10579] - [Documentation]: ExportSnapshot tool package incorrectly documented
    * [HBASE-10580] - IntegrationTestingUtility#restoreCluster leak resource when running in a mini cluster mode
    * [HBASE-10581] - ACL znode are left without PBed during upgrading hbase0.94* to hbase0.96+
    * [HBASE-10582] - 0.94->0.96 Upgrade: ACL can't be repopulated when ACL table contains row for table '-ROOT' or '.META.'
    * [HBASE-10585] - Avoid early creation of Node objects in LRUDictionary.BidirectionalLRUMap
    * [HBASE-10586] - hadoop2-compat IPC metric registred twice
    * [HBASE-10587] - Master metrics clusterRequests is wrong
    * [HBASE-10593] - FileInputStream in JenkinsHash#main() is never closed
    * [HBASE-10594] - Speed up TestRestoreSnapshotFromClient
    * [HBASE-10598] - Written data can not be read out because MemStore#timeRangeTracker might be updated concurrently
    * [HBASE-10600] - HTable#batch() should perform validation on empty Put
    * [HBASE-10604] - Fix parseArgs javadoc
    * [HBASE-10606] - Bad timeout in RpcRetryingCaller#callWithRetries w/o parameters
    * [HBASE-10608] - Acquire the FS Delegation Token for Secure ExportSnapshot
    * [HBASE-10611] - Description for hbase:acl table is wrong on master-status#catalogTables
    * [HBASE-10614] - Master could not be stopped
    * [HBASE-10618] - User should not be allowed to disable/drop visibility labels table
    * [HBASE-10621] - Unable to grant user permission to namespace
    * [HBASE-10622] - Improve log and Exceptions in Export Snapshot
    * [HBASE-10624] - Fix 2 new findbugs warnings introduced by HBASE-10598
    * [HBASE-10627] - A logic mistake in HRegionServer isHealthy
    * [HBASE-10631] - Avoid extra seek on FileLink open
    * [HBASE-10632] - Region lost in limbo after ArrayIndexOutOfBoundsException during assignment
    * [HBASE-10637] - rpcClient: Setup the iostreams when writing
    * [HBASE-10639] - Unload script displays wrong counts (off by one) when unloading regions
    * [HBASE-10644] - TestSecureExportSnapshot#testExportFileSystemState fails on hadoop-1
    * [HBASE-10656] -  high-scale-lib's Counter depends on Oracle (Sun) JRE, and also has some bug
    * [HBASE-10660] - MR over snapshots can OOM when alternative blockcache is enabled
    * [HBASE-10662] - RegionScanner is never closed if the region has been moved-out or re-opened when performing scan request
    * [HBASE-10665] - TestCompaction and TestCompactionWithCoprocessor run too long
    * [HBASE-10666] - TestMasterCoprocessorExceptionWithAbort hangs at shutdown
    * [HBASE-10668] - TestExportSnapshot runs too long
    * [HBASE-10669] - [hbck tool] Usage is wrong for hbck tool for -sidelineCorruptHfiles option
    * [HBASE-10675] - IntegrationTestIngestWithACL should allow User to be passed as Parameter
    * [HBASE-10677] - boundaries check in hbck throwing IllegalArgumentException
    * [HBASE-10679] - Both clients get wrong scan results if the first scanner expires and the second scanner is created with the same scannerId on the same region
    * [HBASE-10682] - region_mover.rb throws "can't convert nil into String" for regions moved
    * [HBASE-10685] - [WINDOWS] TestKeyStoreKeyProvider fails on windows
    * [HBASE-10686] - [WINDOWS] TestStripeStoreFileManager fails on windows
    * [HBASE-10687] - Fix description about HBaseLocalFileSpanReceiver in reference manual
    * [HBASE-10692] - The Multi TableMap job don't support the security HBase cluster
    * [HBASE-10694] - TableSkewCostFunction#cost() casts integral division result to double
    * [HBASE-10705] - CompactionRequest#toString() may throw NullPointerException
    * [HBASE-10706] - Disable writeToWal in tests where possible
    * [HBASE-10714] - SyncFuture hangs when sequence is 0
    * [HBASE-10715] - TimeRange has a poorly formatted error message
    * [HBASE-10716] - [Configuration]: hbase.regionserver.region.split.policy should be part of hbase-default.xml
    * [HBASE-10718] - TestHLogSplit fails when it sets a KV size to be negative
    * [HBASE-10720] - rpcClient: Wrong log level when closing the connection
    * [HBASE-10726] - Fix java.lang.ArrayIndexOutOfBoundsException in StochasticLoadBalancer$LocalityBasedCandidateGenerator
    * [HBASE-10731] - Fix environment variables typos in scripts
    * [HBASE-10735] - [WINDOWS] Set -XX:MaxPermSize for unit tests
    * [HBASE-10736] - Fix Javadoc warnings introduced in HBASE-10169
    * [HBASE-10737] - HConnectionImplementation should stop RpcClient on close
    * [HBASE-10738] - AssignmentManager should shut down executors on stop
    * [HBASE-10739] - RS web UI NPE if master shuts down sooner
    * [HBASE-10745] - Access ShutdownHook#fsShutdownHooks should be synchronized
    * [HBASE-10749] - CellComparator.compareStatic() compares type wrongly
    * [HBASE-10751] - TestHRegion testWritesWhileScanning occasional fail since HBASE-10514 went in
    * [HBASE-10755] - MetricsRegionSourceImpl creates metrics that start with a lower case
    * [HBASE-10760] - Wrong methods' names in ClusterLoadState class
    * [HBASE-10762] - clone_snapshot doesn't check for missing namespace
    * [HBASE-10766] - SnapshotCleaner allows to delete referenced files
    * [HBASE-10770] - Don't exit from the Canary daemon mode if no regions are present
    * [HBASE-10792] - RingBufferTruck does not release its payload
    * [HBASE-10793] - AuthFailed as a valid zookeeper state
    * [HBASE-10799] - [WINDOWS] TestImportTSVWithVisibilityLabels.testBulkOutputWithTsvImporterTextMapper  fails on windows
    * [HBASE-10802] - CellComparator.compareStaticIgnoreMvccVersion compares type wrongly
    * [HBASE-10804] - Add a validations step to ExportSnapshot
    * [HBASE-10805] - Speed up KeyValueHeap.next() a bit
    * [HBASE-10806] - Two protos missing in hbase-protocol/pom.xml
    * [HBASE-10809] - HBaseAdmin#deleteTable fails when META region happen to move around same time
    * [HBASE-10814] - RpcClient: some calls can get stuck when connection is closing
    * [HBASE-10825] - Add copy-from option to ExportSnapshot
    * [HBASE-10829] - Flush is skipped after log replay if the last recovered edits file is skipped
    * [HBASE-10830] - Integration test MR jobs attempt to load htrace jars from the wrong location
    * [HBASE-10831] - IntegrationTestIngestWithACL is not setting up LoadTestTool correctly
    * [HBASE-10833] - Region assignment may fail during cluster start up
    * [HBASE-10838] - Insufficient AccessController covering permission check
    * [HBASE-10839] - NullPointerException in construction of RegionServer in Security Cluster
    * [HBASE-10840] - Fix findbug warn induced by HBASE-10569
    * [HBASE-10845] - Memstore snapshot size isn't updated in DefaultMemStore#rollback()
    * [HBASE-10846] - Links between active and backup masters are broken
    * [HBASE-10848] - Filter SingleColumnValueFilter combined with NullComparator does not work
    * [HBASE-10849] - Fix increased javadoc warns
    * [HBASE-10850] - essential column family optimization is broken
    * [HBASE-10851] - Wait for regionservers to join the cluster
    * [HBASE-10853] - NPE in RSRpcServices.get on trunk
    * [HBASE-10854] - [VisibilityController] Apply MAX_VERSIONS from schema or request when scanning
    * [HBASE-10860] - Insufficient AccessController covering permission check
    * [HBASE-10862] - Update config field names in hbase-default.xml description for hbase.hregion.memstore.block.multiplier
    * [HBASE-10863] - Scan doesn't return rows for user who has authorization by visibility label in secure deployment
    * [HBASE-10864] - Spelling nit
    * [HBASE-10890] - ExportSnapshot needs to add acquired token to job
    * [HBASE-10895] - unassign a region fails due to the hosting region server is in FailedServerList
    * [HBASE-10897] - On master start, deadlock if refresh UI
    * [HBASE-10899] - [AccessController] Apply MAX_VERSIONS from schema or request when scanning
    * [HBASE-10903] - HBASE-10740 regression; cannot pass commands for zk to run
    * [HBASE-10917] - Fix hbase book "Tests" page
    * [HBASE-10922] - Log splitting status should always be closed
    * [HBASE-10931] - Enhance logs
    * [HBASE-10941] - default for max version isn't updated in doc after change on 0.96
    * [HBASE-10948] - Fix hbase table file 'x' mode
    * [HBASE-10949] - Reversed scan could hang
    * [HBASE-10954] - Fix TestCloseRegionHandler.testFailedFlushAborts
    * [HBASE-10955] - HBCK leaves the region in masters in-memory RegionStates if region hdfs dir is lost
    * [HBASE-10958] - [dataloss] Bulk loading with seqids can prevent some log entries from being replayed
    * [HBASE-10964] - Delete mutation is not consistent with Put wrt timestamp
    * [HBASE-10966] - RowCounter misinterprets column names that have colons in their qualifier
    * [HBASE-10967] - CatalogTracker.waitForMeta should not wait indefinitely silently
    * [HBASE-10968] - Null check in TableSnapshotInputFormat#TableSnapshotRegionRecordReader#initialize() is redundant
    * [HBASE-10970] - [AccessController] Issues with covering cell permission checks
    * [HBASE-10976] - Start CatalogTracker after cluster ID is available
    * [HBASE-10979] - Fix AnnotationReadingPriorityFunction "scan" handling
    * [HBASE-10995] - Fix resource leak related to unclosed HBaseAdmin
    * [HBASE-11005] - Remove dead code in HalfStoreFileReader#getScanner#seekBefore()
    * [HBASE-11009] - We sync every hbase:meta table write twice
    * [HBASE-11011] - Avoid extra getFileStatus() calls on Region startup
    * [HBASE-11012] - InputStream is not properly closed in two methods of JarFinder
    * [HBASE-11018] - ZKUtil.getChildDataAndWatchForNewChildren() will not return null as indicated
    * [HBASE-11028] - FSLog: Avoid an extra sync if the current transaction is already sync'd
    * [HBASE-11030] - HBaseTestingUtility.getMiniHBaseCluster should be able to return null
    * [HBASE-11036] - Online schema change with region merge may cause data loss
    * [HBASE-11038] - Filtered scans can bypass metrics collection
    * [HBASE-11049] - HBase WALPlayer needs to add credentials to job to play to table
    * [HBASE-11052] - Sending random data crashes thrift service
    * [HBASE-11055] - Extends the sampling size
    * [HBASE-11064] - Odd behaviors of TableName for empty namespace
    * [HBASE-11081] - Trunk Master won't start; looking for Constructor that takes conf only
    * [HBASE-11082] - Potential unclosed TraceScope in FSHLog#replaceWriter()
    * [HBASE-11096] - stop method of Master and RegionServer coprocessor  is not invoked
    * [HBASE-11112] - PerformanceEvaluation should document --multiGet option on its printUsage.
    * [HBASE-11117] - [AccessController] checkAndPut/Delete hook should check only Read permission
    * [HBASE-11118] - non environment variable solution for "IllegalAccessError: class com.google.protobuf.ZeroCopyLiteralByteString cannot access its superclass com.google.protobuf.LiteralByteString"
    * [HBASE-11120] - Update documentation about major compaction algorithm
    * [HBASE-11133] - Add an option to skip snapshot verification after Export
    * [HBASE-11139] - BoundedPriorityBlockingQueue#poll() should check the return value from awaitNanos()
    * [HBASE-11143] - Improve replication metrics
    * [HBASE-11149] - Wire encryption is broken
    * [HBASE-11150] - Images in website are broken
    * [HBASE-11155] - Fix Validation Errors in Ref Guide
    * [HBASE-11162] - RegionServer webui uses the default master info port irrespective of the user configuration.
    * [HBASE-11168] - [docs] Remove references to RowLocks in post 0.96 docs.
    * [HBASE-11169] - nit: fix incorrect javadoc in OrderedBytes about BlobVar and BlobCopy
    * [HBASE-11176] - Make /src/main/xslt/configuration_to_docbook_section.xsl produce better Docbook
    * [HBASE-11177] - 'hbase.rest.filter.classes' exists in hbase-default.xml twice
    * [HBASE-11185] - Parallelize Snapshot operations
    * [HBASE-11186] - Improve TestExportSnapshot verifications
    * [HBASE-11189] - Subprocedure should be marked as complete upon failure
    * [HBASE-11190] - Fix easy typos in documentation
    * [HBASE-11194] - [AccessController] issue with covering permission check in case of concurrent op on same row
    * [HBASE-11196] - Update description of -ROOT- in ref guide
    * [HBASE-11202] - Cleanup on HRegion class
    * [HBASE-11212] - Fix increment index in KeyValueSortReducer
    * [HBASE-11215] - Deprecate void setAutoFlush(boolean autoFlush, boolean clearBufferOnFail)
    * [HBASE-11217] - Race between SplitLogManager task creation + TimeoutMonitor
    * [HBASE-11218] - Data loss in HBase standalone mode
    * [HBASE-11226] - Document and increase the default value for hbase.hstore.flusher.count
    * [HBASE-11234] - FastDiffDeltaEncoder#getFirstKeyInBlock returns wrong result
    * [HBASE-11237] - Bulk load initiated by user other than hbase fails
    * [HBASE-11238] - Add info about SlabCache and BucketCache to Ref Guide
    * [HBASE-11239] - Forgot to svn add test that was part of HBASE-11171, TestCacheConfig
    * [HBASE-11248] - KeyOnlyKeyValue#toString() passes wrong offset to keyToString()
    * [HBASE-11251] - LoadTestTool should grant READ permission for the users that are given READ access for specific cells
    * [HBASE-11252] - Fixing new javadoc warnings in master branch
    * [HBASE-11253] - IntegrationTestWithCellVisibilityLoadAndVerify failing since HBASE-10326
    * [HBASE-11255] - Negative request num in region load
    * [HBASE-11260] - hbase-default.xml refers to hbase.regionserver.global.memstore.upperLimit which is deprecated
    * [HBASE-11267] - Dynamic metrics2 metrics may consume large amount of heap memory
    * [HBASE-11268] - HTablePool is now a deprecated class, should update docs to reflect this
    * [HBASE-11273] - Fix jersey and slf4j deps
    * [HBASE-11275] - [AccessController] postCreateTable hook fails when another CP creates table on their startup
    * [HBASE-11277] - RPCServer threads can wedge under high load
    * [HBASE-11279] - Block cache could be disabled by mistake
    * [HBASE-11285] - Expand coprocs info in Ref Guide
    * [HBASE-11297] - Remove some synchros in the rpcServer responder
    * [HBASE-11298] - Simplification in RpcServer code
    * [HBASE-11302] - ReplicationSourceManager#sources is not thread safe
    * [HBASE-11310] - Delete's copy constructor should copy the attributes also
    * [HBASE-11311] - Secure Bulk Load does not execute chmod 777 on the files
    * [HBASE-11312] - Minor refactoring of TestVisibilityLabels class
    * [HBASE-11320] - Reenable bucket cache logging
    * [HBASE-11324] - Update 2.5.2.8. Managed Compactions
    * [HBASE-11327] - ExportSnapshot hit stackoverflow error when target snapshotDir doesn't contain uri
    * [HBASE-11329] - Minor fixup of new blockcache tab number formatting
    * [HBASE-11335] - Fix the TABLE_DIR param in TableSnapshotInputFormat
    * [HBASE-11337] - Document how to create, modify, delete a table using Java
    * [HBASE-11338] - Expand documentation on bloom filters
    * [HBASE-11340] - Remove references to xcievers in documentation
    * [HBASE-11341] - ZKProcedureCoordinatorRpcs should respond only to members
    * [HBASE-11342] - The method isChildReadLock in class ZKInterProcessLockBase is wrong
    * [HBASE-11347] - For some errors, the client can retry infinitely
    * [HBASE-11353] - Wrong Write Request Count
    * [HBASE-11363] - Access checks in preCompact and preCompactSelection are out of sync
    * [HBASE-11371] - Typo in Thrift2 docs
    * [HBASE-11373] - hbase-protocol compile failed for name conflict of RegionTransition
    * [HBASE-11374] - RpcRetryingCaller#callWithoutRetries has a timeout of zero
    * [HBASE-11378] - TableMapReduceUtil overwrites user supplied options for multiple tables/scaners job
    * [HBASE-11380] - HRegion lock object is not being released properly, leading to snapshot failure
    * [HBASE-11382] - Adding unit test for HBASE-10964 (Delete mutation is not consistent with Put wrt timestamp)
    * [HBASE-11387] - metrics: wrong totalRequestCount
    * [HBASE-11391] - Thrift table creation will fail with default TTL with sanity checks
    * [HBASE-11396] - Invalid meta entries can lead to unstartable master
    * [HBASE-11397] - When merging expired stripes, we need to create an empty file to preserve metadata.
    * [HBASE-11399] - Improve Quickstart chapter and move Pseudo-distributed and distributed to it
    * [HBASE-11403] - Fix race conditions around Object#notify
    * [HBASE-11413] - [findbugs] RV: Negating the result of compareTo()/compare()
    * [HBASE-11418] - build target "site" doesn't respect hadoop-two.version property
    * [HBASE-11422] - Specification of scope is missing for certain Hadoop dependencies
    * [HBASE-11423] - Visibility label and per cell ACL feature not working with HTable#mutateRow() and MultiRowMutationEndpoint
    * [HBASE-11424] - Avoid usage of CellUtil#getTagArray(Cell cell) within server
    * [HBASE-11430] - lastFlushSeqId has been updated wrongly during region open
    * [HBASE-11432] - [AccessController] Remove cell first strategy
    * [HBASE-11433] - LruBlockCache does not respect its configurable parameters
    * [HBASE-11435] - Visibility labelled cells fail to getting replicated
    * [HBASE-11439] - StripeCompaction may not obey the OffPeak rule to compaction
    * [HBASE-11442] - ReplicationSourceManager doesn't cleanup the queues for recovered sources
    * [HBASE-11445] - TestZKProcedure#testMultiCohortWithMemberTimeoutDuringPrepare is flaky
    * [HBASE-11448] - Fix javadoc warnings
    * [HBASE-11449] - IntegrationTestIngestWithACL fails to use different users after HBASE-10810
    * [HBASE-11457] - Increment HFile block encoding IVs accounting for ciper's internal use
    * [HBASE-11458] - NPEs if RegionServer cannot initialize
    * [HBASE-11460] - Deadlock in HMaster on masterAndZKLock in HConnectionManager
    * [HBASE-11463] - (findbugs) HE: Class defines equals() and uses Object.hashCode()
    * [HBASE-11465] - [VisibilityController] Reserved tags check not happening for Append/Increment
    * [HBASE-11475] - Distributed log replay should also replay compaction events
    * [HBASE-11476] - Expand 'Conceptual View' section of Data Model chapter
    * [HBASE-11477] - book.xml has Docbook validity issues (again)
    * [HBASE-11481] - TableSnapshotInputFormat javadoc wrongly claims HBase "enforces security"
    * [HBASE-11487] - ScanResponse carries non-zero cellblock for CloseScanRequest (ScanRequest with close_scanner = true)
    * [HBASE-11488] - cancelTasks in SubprocedurePool can hang during task error
    * [HBASE-11489] - ClassNotFoundException while running IT tests in trunk using 'mvn verify'
    * [HBASE-11492] - Hadoop configuration overrides some ipc parameters including tcpNoDelay
    * [HBASE-11493] - Autorestart option is not working because of stale znode  "shutdown"
    * [HBASE-11496] - HBASE-9745 broke cygwin CLASSPATH translation
    * [HBASE-11502] - Track down broken images in Ref Guide
    * [HBASE-11505] - 'snapshot' shell command shadows 'snapshot' shell when 'help' is invoked
    * [HBASE-11506] - IntegrationTestWithCellVisibilityLoadAndVerify allow User to be passed as arg
    * [HBASE-11509] - Forward port HBASE-11039 to trunk and branch-1 after HBASE-11489
    * [HBASE-11510] - Visibility serialization format tag gets duplicated in Append/Increment'ed cells
    * [HBASE-11514] - Fix findbugs warnings in blockcache
    * [HBASE-11517] - TestReplicaWithCluster turns zombie
    * [HBASE-11518] - doc update for how to create non-shared HConnection
    * [HBASE-11523] - JSON serialization of PE Options is broke
    * [HBASE-11525] - Region server holding in region states is out of sync with meta
    * [HBASE-11527] - Cluster free memory limit check should consider L2 block cache size also when L2 cache is onheap.
    * [HBASE-11530] - RegionStates adds regions to wrong servers
    * [HBASE-11531] - RegionStates for regions under region-in-transition znode are not updated on startup
    * [HBASE-11534] - Remove broken JAVA_HOME autodetection in hbase-config.sh
    * [HBASE-11535] - ReplicationPeer map is not thread safe
    * [HBASE-11536] - Puts of region location to Meta may be out of order which causes inconsistent of region location
    * [HBASE-11537] - Avoid synchronization on instances of ConcurrentMap
    * [HBASE-11540] - Document HBASE-11474
    * [HBASE-11541] - Wrong result when scaning meta with startRow
    * [HBASE-11545] - mapred.TableSnapshotInputFormat is missing InterfaceAudience annotation
    * [HBASE-11550] - Custom value for BUCKET_CACHE_BUCKETS_KEY should be sorted
    * [HBASE-11551] - BucketCache$WriterThread.run() doesn't handle exceptions correctly
    * [HBASE-11554] - Remove Reusable poolmap Rpc client type.
    * [HBASE-11555] - TableSnapshotRegionSplit should be public
    * [HBASE-11558] - Caching set on Scan object gets lost when using TableMapReduceUtil in 0.95+
    * [HBASE-11561] - deprecate ImmutableBytesWritable.getSize and replace with getLength
    * [HBASE-11564] - Improve cancellation management in the rpc layer
    * [HBASE-11565] - Stale connection could stay for a while
    * [HBASE-11575] - Pseudo distributed mode does not work as documented
    * [HBASE-11579] - CopyTable should check endtime value only if != 0
    * [HBASE-11582] - Fix Javadoc warning in DataInputInputStream and CacheConfig
    * [HBASE-11586] - HFile's HDFS op latency sampling code is not used
    * [HBASE-11588] - RegionServerMetricsWrapperRunnable misused the 'period' parameter
    * [HBASE-11589] - AccessControlException should be a not retriable exception
    * [HBASE-11591] - Scanner fails to retrieve KV  from bulk loaded file with highest sequence id than the cell's mvcc in a non-bulk loaded file
    * [HBASE-11593] - TestCacheConfig failing consistently in precommit builds
    * [HBASE-11594] - Unhandled NoNodeException in distributed log replay mode
    * [HBASE-11603] - Apply version of HADOOP-8027 to our JMXJsonServlet
    * [HBASE-11609] - LoadIncrementalHFiles fails if the namespace is specified
    * [HBASE-11617] - incorrect AgeOfLastAppliedOp and AgeOfLastShippedOp in replication Metrics when no new replication OP
    * [HBASE-11620] - Record the class name of Writer in WAL header so that only proper Reader can open the WAL file
    * [HBASE-11627] - RegionSplitter's rollingSplit terminated with "/ by zero", and the _balancedSplit file was not deleted properly
    * [HBASE-11632] - Region split needs to clear force split flag at the end of SplitRequest run
    * [HBASE-11659] - Region state RPC call is not idempotent
    * [HBASE-11662] - Launching shell with long-form --debug fails
    * [HBASE-11668] - Re-add HBASE_LIBRARY_PATH to bin/hbase
    * [HBASE-11671] - TestEndToEndSplitTransaction fails on master
    * [HBASE-11678] - BucketCache ramCache fills heap after running a few hours
    * [HBASE-11687] - No need to abort on postOpenDeployTasks exception if region opening is cancelled
    * [HBASE-11703] - Meta region state could be corrupted
    * [HBASE-11705] - callQueueSize should be decremented in a fail-fast scenario
    * [HBASE-11708] - RegionSplitter incorrectly calculates splitcount
    * [HBASE-11709] - TestMasterShutdown can fail sometime
    * [HBASE-11716] - LoadTestDataGeneratorWithVisibilityLabels should handle Delete mutations
    * [HBASE-11717] - Remove unused config 'hbase.offheapcache.percentage' from hbase-default.xml and book
    * [HBASE-11718] - Remove some logs in RpcClient.java
    * [HBASE-11719] - Remove some unused paths in AsyncClient
    * [HBASE-11725] - Backport failover checking change to 1.0
    * [HBASE-11726] - Master should fail-safe if starting with a pre 0.96 layout
    * [HBASE-11727] - Assignment wait time error in case of ServerNotRunningYetException
    * [HBASE-11728] - Data loss while scanning using PREFIX_TREE DATA-BLOCK-ENCODING
    * [HBASE-11733] - Avoid copy-paste in Master/Region CoprocessorHost
    * [HBASE-11744] - RpcServer code should not use a collection from netty internal
    * [HBASE-11745] - FilterAllFilter should return ReturnCode.SKIP
    * [HBASE-11755] - VisibilityController returns the wrong value for preBalanceSwitch()
    * [HBASE-11766] - Backdoor CoprocessorHConnection is no longer being used for local writes
    * [HBASE-11770] - TestBlockCacheReporting.testBucketCache is not stable
    * [HBASE-11772] - Bulk load mvcc and seqId issues with native hfiles
    * [HBASE-11773] - Wrong field used for protobuf construction in RegionStates.
    * [HBASE-11782] - Document that hbase.MetaMigrationConvertingToPB needs to be set to true for migrations pre 0.96
    * [HBASE-11787] - TestRegionLocations is not categorized
    * [HBASE-11788] - hbase is not deleting the cell when a Put with a KeyValue, KeyValue.Type.Delete is submitted
    * [HBASE-11789] - LoadIncrementalHFiles is not picking up the -D option
    * [HBASE-11794] - StripeStoreFlusher causes NullPointerException
    * [HBASE-11797] - Create Table interface to replace HTableInterface
    * [HBASE-11802] - Scan copy constructor doesn't copy reversed member variable
    * [HBASE-11813] - CellScanner#advance may overflow stack
    * [HBASE-11814] - TestAssignmentManager.testCloseFailed() and testOpenCloseRacing() is flaky
    * [HBASE-11816] - Initializing custom Metrics implementation failed in Mapper or Reducer
    * [HBASE-11820] - ReplicationSource : Set replication codec class as RPC codec class on a clonned Configuration
    * [HBASE-11823] - Cleanup javadoc warnings.
    * [HBASE-11832] - maven release plugin overrides command line arguments
    * [HBASE-11836] - IntegrationTestTimeBoundedMultiGetRequestsWithRegionReplicas tests simple get by default
    * [HBASE-11839] - TestRegionRebalance is flakey
    * [HBASE-11844] - region_mover.rb load enters an infinite loop if region already present on target server
    * [HBASE-11851] - RpcClient can try to close a connection not ready to close
    * [HBASE-11856] - hbase-common needs a log4j.properties resource for handling unit test logging output
    * [HBASE-11857] - Restore ReaderBase.initAfterCompression() and WALCellCodec.create(Configuration, CompressionContext)
    * [HBASE-11859] - 'hadoop jar' references in documentation should mention hbase-server.jar, not hbase.jar
    * [HBASE-11863] - WAL files are not archived and stays in the WAL directory after splitting
    * [HBASE-11876] - RegionScanner.nextRaw(...) should not update metrics
    * [HBASE-11878] - TestVisibilityLabelsWithDistributedLogReplay#testAddVisibilityLabelsOnRSRestart sometimes fails due to VisibilityController not yet initialized
    * [HBASE-11880] - NPE in MasterStatusServlet
    * [HBASE-11882] - Row level consistency may not be maintained with bulk load and compaction
    * [HBASE-11886] - The creator of the table should have all permissions on the table
    * [HBASE-11887] - Memory retention in branch-1; millions of instances of LiteralByteString for column qualifier and value
    * [HBASE-11892] - configs contain stale entries
    * [HBASE-11893] - RowTooBigException should be in hbase-client module
    * [HBASE-11896] - LoadIncrementalHFiles fails in secure mode if the namespace is specified
    * [HBASE-11898] - CoprocessorHost.Environment should cache class loader instance
    * [HBASE-11905] - Add orca to server UIs and update logo.
    * [HBASE-11921] - Minor fixups that come of testing branch-1
    * [HBASE-11932] - Stop the html-single from building a html-single of every chapter and cluttering the docbkx directory
    * [HBASE-11936] - IsolationLevel must be attribute of a Query not a Scan
    * [HBASE-11946] - Get xref and API docs to build properly again
    * [HBASE-11947] - NoSuchElementException in balancer for master regions
    * [HBASE-11949] - Setting hfile.block.cache.size=0 doesn't actually disable blockcache
    * [HBASE-11959] - TestAssignmentManagerOnCluster is flaky
    * [HBASE-11972] - The "doAs user" used in the update to hbase:acl table RPC is incorrect
    * [HBASE-11976] - Server startcode is not checked for bulk region assignment
    * [HBASE-11984] - TestClassFinder failing on occasion
    * [HBASE-11989] - IntegrationTestLoadAndVerify cannot be configured anymore on distributed mode

** Improvement
    * [HBASE-2217] - VM OPTS for shell only
    * [HBASE-3270] - When we create the .version file, we should create it in a tmp location and then move it into place
    * [HBASE-4163] - Create Split Strategy for YCSB Benchmark
    * [HBASE-4495] - CatalogTracker has an identity crisis; needs to be cut-back in scope
    * [HBASE-5349] - Automagically tweak global memstore and block cache sizes based on workload
    * [HBASE-5923] - Cleanup checkAndXXX logic
    * [HBASE-6626] - Add a chapter on HDFS in the troubleshooting section of the HBase reference guide.
    * [HBASE-6990] - Pretty print TTL
    * [HBASE-7088] - Duplicate code in RowCounter
    * [HBASE-7849] - Provide administrative limits around bulkloads of files into a single region
    * [HBASE-7910] - Dont use reflection for security
    * [HBASE-7987] - Snapshot Manifest file instead of multiple empty files
    * [HBASE-8076] - add better doc for HBaseAdmin#offline API.
    * [HBASE-8298] - In shell, provide alias of 'desc' for 'describe'
    * [HBASE-8315] - Documentation should have more information of LRU Stats
    * [HBASE-8332] - Add truncate as HMaster method
    * [HBASE-8495] - Change ownership of the directory to bulk load
    * [HBASE-8604] - improve reporting of incorrect peer address in replication
    * [HBASE-8755] - A new write thread model for HLog to improve the overall HBase write throughput
    * [HBASE-8763] - Combine MVCC and SeqId
    * [HBASE-8807] - HBase MapReduce Job-Launch Documentation Misplaced
    * [HBASE-8970] - [book] Filter language documentation is hidden
    * [HBASE-9343] - Implement stateless scanner for Stargate
    * [HBASE-9345] - Add support for specifying filters in scan
    * [HBASE-9426] - Make custom distributed barrier procedure pluggable
    * [HBASE-9501] - Provide throttling for replication
    * [HBASE-9524] - Multi row get does not return any results even if any one of the rows specified in the query is missing and improve exception handling
    * [HBASE-9542] - Have Get and MultiGet do cellblocks, currently they are pb all the time
    * [HBASE-9829] - make the compaction logging less confusing
    * [HBASE-9857] - Blockcache prefetch option
    * [HBASE-9866] - Support the mode where REST server authorizes proxy users
    * [HBASE-9892] - Add info port to ServerName to support multi instances in a node
    * [HBASE-9999] - Add support for small reverse scan
    * [HBASE-10010] - eliminate the put latency spike on the new log file beginning
    * [HBASE-10048] - Add hlog number metric in regionserver
    * [HBASE-10074] - consolidate and improve capacity/sizing documentation
    * [HBASE-10086] - [book] document the  HBase canary tool usage in the HBase Book
    * [HBASE-10116] - SlabCache metrics improvements
    * [HBASE-10128] - Improve the copy table doc to include information about versions
    * [HBASE-10141] - instead of putting expired store files thru compaction, just archive them
    * [HBASE-10157] - Provide CP hook post log replay
    * [HBASE-10164] - Allow heapsize of different units to be passed as HBASE_HEAPSIZE
    * [HBASE-10173] - Need HFile version check in security coprocessors
    * [HBASE-10175] - 2-thread ChaosMonkey steps on its own toes
    * [HBASE-10202] - Documentation is lacking information about rolling-restart.sh script.
    * [HBASE-10211] - Improve AccessControl documentation in hbase book
    * [HBASE-10213] - Add read log size per second metrics for replication source
    * [HBASE-10228] - Support setCellVisibility and setAuthorizations in Shell
    * [HBASE-10229] - Support OperationAttributes in Increment and Append in Shell
    * [HBASE-10239] - Improve determinism and debugability of TestAccessController
    * [HBASE-10252] - Don't write back to WAL/memstore when Increment amount is zero (mostly for query rather than update intention)
    * [HBASE-10263] - make LruBlockCache single/multi/in-memory ratio user-configurable and provide preemptive mode for in-memory type block
    * [HBASE-10265] - Upgrade to commons-logging 1.1.3
    * [HBASE-10277] - refactor AsyncProcess
    * [HBASE-10289] - Avoid random port usage by default JMX Server. Create Custome JMX server
    * [HBASE-10323] - Auto detect data block encoding in HFileOutputFormat
    * [HBASE-10324] - refactor deferred-log-flush/Durability related interface/code/naming to align with changed semantic of the new write thread model
    * [HBASE-10331] - Insure security tests use SecureTestUtil methods for grants
    * [HBASE-10344] - Improve write performance by ignoring sync to hdfs when an asyncer's writes have been synced by other asyncer
    * [HBASE-10346] - Add Documentation for stateless scanner
    * [HBASE-10368] - Add Mutation.setWriteToWAL() back to 0.98
    * [HBASE-10373] - Add more details info for ACL group in HBase book
    * [HBASE-10389] - Add namespace help info in table related shell commands
    * [HBASE-10395] - endTime won't be set in VerifyReplication if startTime is not set
    * [HBASE-10419] - Add multiget support to PerformanceEvaluation
    * [HBASE-10423] - Report back the message of split or rollback failure to the master
    * [HBASE-10427] - clean up HRegionLocation/ServerName usage
    * [HBASE-10430] - Support compressTags in shell for enabling tag encoding
    * [HBASE-10471] - Remove HTD.isAsyncLogFlush() from trunk
    * [HBASE-10479] - HConnection interface is public but is used internally, and contains a bunch of methods
    * [HBASE-10487] - Avoid allocating new KeyValue and according bytes-copying for appended kvs which don't have existing values
    * [HBASE-10498] - Add new APIs to load balancer interface
    * [HBASE-10511] - Add latency percentiles on PerformanceEvaluation
    * [HBASE-10518] - DirectMemoryUtils.getDirectMemoryUsage spams when none is configured
    * [HBASE-10569] - Co-locate meta and master
    * [HBASE-10570] - Allow overrides of Surefire secondPartForkMode and testFailureIgnore
    * [HBASE-10589] - Reduce unnecessary TestRowProcessorEndpoint resource usage
    * [HBASE-10590] - Update contents about tracing in the Reference Guide
    * [HBASE-10591] - Sanity check table configuration in createTable
    * [HBASE-10592] - Refactor PerformanceEvaluation tool
    * [HBASE-10597] - IOEngine#read() should return the number of bytes transferred
    * [HBASE-10599] - Replace System.currentMillis() with EnvironmentEdge.currentTimeMillis in memstore flusher and related places
    * [HBASE-10603] - Deprecate RegionSplitter CLI tool
    * [HBASE-10615] - Make LoadIncrementalHFiles skip reference files
    * [HBASE-10638] - Improve error message when there is no region server available for move
    * [HBASE-10641] - Configurable Bucket Sizes in bucketCache
    * [HBASE-10663] - Some code cleanup of class Leases and ScannerListener.leaseExpired
    * [HBASE-10678] - Make verifyrep tool implement toolrunner
    * [HBASE-10690] - Drop Hadoop-1 support
    * [HBASE-10693] - Correct declarations of Atomic* fields from 'volatile' to 'final'
    * [HBASE-10744] - AM#CloseRegion no need to retry on FailedServerException
    * [HBASE-10746] - Bump the version of HTrace to 3.0
    * [HBASE-10752] - Port HBASE-10270 'Remove DataBlockEncoding from BlockCacheKey' to trunk
    * [HBASE-10769] - hbase/bin/hbase-cleanup.sh has wrong usage string
    * [HBASE-10771] - Primitive type put/get APIs in ByteRange
    * [HBASE-10785] - Metas own location should be cached
    * [HBASE-10788] - Add 99th percentile of latency in PE
    * [HBASE-10797] - Add support for -h and --help to rolling_restart.sh and fix the usage string output
    * [HBASE-10813] - Possible over-catch of exceptions
    * [HBASE-10823] - Resolve LATEST_TIMESTAMP to current server time before scanning for ACLs
    * [HBASE-10835] - DBE encode path improvements
    * [HBASE-10842] - Some loggers not declared static final
    * [HBASE-10861] - Extend ByteRange to create Mutable and Immutable ByteRange
    * [HBASE-10871] - Indefinite OPEN/CLOSE wait on busy RegionServers
    * [HBASE-10873] - Control number of regions assigned to backup masters
    * [HBASE-10883] - Restrict the universe of labels and authorizations
    * [HBASE-10884] - [REST] Do not disable block caching when scanning
    * [HBASE-10885] - Support visibility expressions on Deletes
    * [HBASE-10887] - tidy ThriftUtilities format
    * [HBASE-10892] - [Shell] Add support for globs in user_permission
    * [HBASE-10902] - Make Secure Bulk Load work across remote secure clusters
    * [HBASE-10911] - ServerShutdownHandler#toString shows meaningless message
    * [HBASE-10916] - [VisibilityController] Stackable ScanLabelGenerators
    * [HBASE-10923] - Control where to put meta region
    * [HBASE-10925] - Do not OOME, throw RowTooBigException instead
    * [HBASE-10926] - Use global procedure to flush table memstore cache
    * [HBASE-10934] - Provide Admin interface to abstract HBaseAdmin
    * [HBASE-10950] - Add  a configuration point for MaxVersion of Column Family
    * [HBASE-10951] - Use PBKDF2 to generate test encryption keys in the shell
    * [HBASE-10952] - [REST] Let the user turn off block caching if desired
    * [HBASE-10960] - Enhance HBase Thrift 1 to include "append" and "checkAndPut" operations
    * [HBASE-10984] - Add description about setting up htrace-zipkin to documentation
    * [HBASE-11000] - Add autoflush option to PerformanceEvaluation
    * [HBASE-11001] - Shell support for granting cell permissions for testing
    * [HBASE-11002] - Shell support for changing cell visibility for testing
    * [HBASE-11004] - Extend traces through FSHLog#sync
    * [HBASE-11007] - BLOCKCACHE in schema descriptor seems not aptly named
    * [HBASE-11008] - Align bulk load, flush, and compact to require Action.CREATE
    * [HBASE-11026] - Provide option to filter out all rows in PerformanceEvaluation tool
    * [HBASE-11044] - [Shell] Show groups for user in 'whoami' output
    * [HBASE-11047] - Remove TimeoutMontior
    * [HBASE-11048] - Support setting custom priority per client RPC
    * [HBASE-11068] - Update code to use Admin factory method instead of constructor
    * [HBASE-11074] - Have PE emit histogram stats as it runs rather than dump once at end of test
    * [HBASE-11083] - ExportSnapshot should provide capability to limit bandwidth consumption
    * [HBASE-11086] - Add htrace support for PerfEval
    * [HBASE-11119] - Update ExportSnapShot to optionally not use a tmp file on external file system
    * [HBASE-11123] - Upgrade instructions from 0.94 to 0.98
    * [HBASE-11126] - Add RegionObserver pre hooks that operate under row lock
    * [HBASE-11128] - Add -target option to ExportSnapshot to export with a different name
    * [HBASE-11134] - Add a -list-snapshots option to SnapshotInfo
    * [HBASE-11136] - Add permission check to roll WAL writer
    * [HBASE-11137] - Add mapred.TableSnapshotInputFormat
    * [HBASE-11151] - move tracing modules from hbase-server to hbase-common
    * [HBASE-11167] - Avoid usage of java.rmi package Exception in MemStore
    * [HBASE-11201] - Enable global procedure members to return values to procedure master
    * [HBASE-11211] - LoadTestTool option for specifying number of regions per server
    * [HBASE-11219] - HRegionServer#createRegionLoad() should reuse RegionLoad.Builder instance when called in a loop
    * [HBASE-11220] - Add listeners to ServerManager and AssignmentManager
    * [HBASE-11240] - Print hdfs pipeline when hlog's sync is slow
    * [HBASE-11259] - Compression.java different compressions load system classpath differently causing errors
    * [HBASE-11304] - Enable HBaseAdmin.execProcedure to return data from procedure execution
    * [HBASE-11305] - Remove bunch of unused imports in HConnectionManager
    * [HBASE-11315] - Keeping MVCC for configurable longer time
    * [HBASE-11319] - No need to use favored node mapping initialization to find all regions
    * [HBASE-11326] - Use an InputFormat for ExportSnapshot
    * [HBASE-11331] - [blockcache] lazy block decompression
    * [HBASE-11344] - Hide row keys and such from the web UIs
    * [HBASE-11348] - Make frequency and sleep times of  chaos monkeys configurable
    * [HBASE-11349] - [Thrift] support authentication/impersonation
    * [HBASE-11350] - [PE] Allow random value size
    * [HBASE-11355] - a couple of callQueue related improvements
    * [HBASE-11362] - Minor improvements to LoadTestTool and PerformanceEvaluation
    * [HBASE-11370] - SSH doesn't need to scan meta if not using ZK for assignment
    * [HBASE-11376] - Presplit table in IntegrationTestBigLinkedList's Generator tool
    * [HBASE-11390] - PerformanceEvaluation: add an option to use a single connection
    * [HBASE-11398] - Print the stripes' state with file size info
    * [HBASE-11407] - hbase-client should not require Jackson for pure HBase queries be executed
    * [HBASE-11415] - [PE] Dump config before running test
    * [HBASE-11421] - HTableInterface javadoc correction
    * [HBASE-11434] - [AccessController] Disallow inbound cells with reserved tags
    * [HBASE-11436] - Support start Row and stop Row in HBase Export
    * [HBASE-11437] - Modify cell tag handling code to treat the length as unsigned
    * [HBASE-11438] - [Visibility Controller] Support UTF8 character as Visibility Labels
    * [HBASE-11440] - Make KeyValueCodecWithTags as the default codec for replication in trunk
    * [HBASE-11444] - Remove use of reflection for User#getShortName
    * [HBASE-11446] - Reduce the frequency of RNG calls in SecureWALCellCodec#EncryptedKvEncoder
    * [HBASE-11450] - Improve file size info in SnapshotInfo tool
    * [HBASE-11452] - add getUserPermission feature in AccessControlClient as client API
    * [HBASE-11473] - Add BaseWALObserver class
    * [HBASE-11474] - [Thrift2] support authentication/impersonation
    * [HBASE-11491] - Add an option to sleep randomly during the tests with the PE tool
    * [HBASE-11497] - Expose RpcScheduling implementations as LimitedPrivate interfaces
    * [HBASE-11513] - Combine SingleMultiple Queue RpcExecutor into a single class
    * [HBASE-11516] - Track time spent in executing coprocessors in each region.
    * [HBASE-11553] - Abstract visibility label related services into an interface
    * [HBASE-11566] - make ExportSnapshot extendable by removing 'final'
    * [HBASE-11583] - Refactoring out the configuration changes for enabling VisibilityLabels in the unit tests.
    * [HBASE-11623] - mutateRowsWithLocks might require updatesLock.readLock with waitTime=0
    * [HBASE-11630] - Refactor TestAdmin to use Admin interface instead of HBaseAdmin
    * [HBASE-11631] - Wait a little till server is online in assigning meta
    * [HBASE-11649] - Add shortcut commands to bin/hbase for test tools
    * [HBASE-11650] - Write hbase.id to a temporary location and move into place
    * [HBASE-11657] - Put HTable region methods in an interface
    * [HBASE-11664] - Build broken - TestVisibilityWithCheckAuths
    * [HBASE-11667] - Comment ClientScanner logic for NSREs.
    * [HBASE-11674] - LoadIncrementalHFiles should be more verbose after unrecoverable error
    * [HBASE-11679] - Replace "HTable" with "HTableInterface" where backwards-compatible
    * [HBASE-11696] - Make CombinedBlockCache resizable.
    * [HBASE-11697] - Improve the 'Too many blocks' message on UI blockcache status page
    * [HBASE-11701] - Start and end of memstore flush log should be on the same level
    * [HBASE-11702] - Better introspection of long running compactions
    * [HBASE-11706] - Set versions for VerifyReplication
    * [HBASE-11731] - Add option to only run a subset of the shell tests
    * [HBASE-11748] - Cleanup and add pool usage tracing to Compression
    * [HBASE-11749] - Better error logging when coprocessors loading has failed.
    * [HBASE-11754] - [Shell] Record table property SPLITS_FILE in descriptor
    * [HBASE-11757] - Provide a common base abstract class for both RegionObserver and MasterObserver
    * [HBASE-11774] - Avoid allocating unnecessary tag iterators
    * [HBASE-11777] - Find a way to set sequenceId on Cells on the server
    * [HBASE-11790] - Bulk load should use HFileOutputFormat2 in all cases
    * [HBASE-11805] - KeyValue to Cell Convert in WALEdit APIs
    * [HBASE-11810] - Access SSL Passwords through Credential Provider API
    * [HBASE-11821] - [ImportTSV] Abstract labels tags creation into pluggable Interface
    * [HBASE-11825] - Create Connection and ConnectionManager
    * [HBASE-11826] - Split each tableOrRegionName admin methods into two targetted methods
    * [HBASE-11828] - callers of SeverName.valueOf should use equals and not ==
    * [HBASE-11845] - HFile tool should implement Tool, disable blockcache by default
    * [HBASE-11846] - HStore#assertBulkLoadHFileOk should log if a full HFile verification will be performed during a bulkload
    * [HBASE-11847] - HFile tool should be able to print block headers
    * [HBASE-11865] - Result implements CellScannable; rather it should BE a CellScanner
    * [HBASE-11873] - Hbase Version CLI enhancement
    * [HBASE-11877] - Make TableSplit more readable
    * [HBASE-11891] - Introduce HBaseInterfaceAudience level to denote class names that appear in configs.
    * [HBASE-11897] - Add append and remove peer table-cfs cmds for replication

** New Feature
    * [HBASE-4089] - blockCache contents report
    * [HBASE-6104] - Require EXEC permission to call coprocessor endpoints
    * [HBASE-7667] - Support stripe compaction
    * [HBASE-7840] - Enhance the java it framework to start & stop a distributed hbase & hadoop cluster
    * [HBASE-8751] - Enable peer cluster to choose/change the ColumnFamilies/Tables it really want to replicate from a source cluster
    * [HBASE-9047] - Tool to handle finishing replication when the cluster is offline
    * [HBASE-10119] - Allow HBase coprocessors to clean up when they fail
    * [HBASE-10151] - No-op HeapMemoryTuner
    * [HBASE-10416] - Improvements to the import flow
    * [HBASE-10881] - Support reverse scan in thrift2
    * [HBASE-10935] - support snapshot policy where flush memstore can be skipped to prevent production cluster freeze
    * [HBASE-11724] - Add to RWQueueRpcExecutor the ability to split get and scan handlers
    * [HBASE-11885] - Provide a Dockerfile to easily build and run HBase from source
    * [HBASE-11909] - Region count listed by HMaster UI and hbck are different

** Task
    * [HBASE-4456] - [doc] Add a section about RS failover
    * [HBASE-4920] - We need a mascot, a totem
    * [HBASE-5697] - Audit HBase for usage of deprecated hadoop 0.20.x property names.
    * [HBASE-6139] - Add troubleshooting section for CentOS 6.2 page allocation failure issue
    * [HBASE-6192] - Document ACL matrix in the book
    * [HBASE-7394] - Document security config requirements from HBASE-7357
    * [HBASE-8035] - Add site target check to precommit tests
    * [HBASE-8844] - Document the removal of replication state AKA start/stop_replication
    * [HBASE-9580] - Document the meaning of @InterfaceAudience in hbase ref guide
    * [HBASE-9733] - Book should have individual Disqus comment per page
    * [HBASE-9875] - NamespaceJanitor chore is not used
    * [HBASE-10134] - Fix findbug warning in VisibilityController
    * [HBASE-10159] - Replaced deprecated interface Closeable
    * [HBASE-10206] - Explain tags in the hbase book
    * [HBASE-10246] - Wrap long lines in recently added source files
    * [HBASE-10364] - Allow configuration option for parent znode in LoadTestTool
    * [HBASE-10388] - Add export control notice in README
    * [HBASE-10439] - Document how to configure REST server impersonation
    * [HBASE-10473] - Add utility for adorning http Context
    * [HBASE-10601] - Upgrade hadoop dependency to 2.3.0 release
    * [HBASE-10609] - Remove filterKeyValue(Cell ignored) from FilterBase
    * [HBASE-10612] - Remove unnecessary dependency on org.eclipse.jdt:core
    * [HBASE-10670] - HBaseFsck#connect() should use new connection
    * [HBASE-10700] - IntegrationTestWithCellVisibilityLoadAndVerify should allow current user to be the admin
    * [HBASE-10740] - Upgrade zookeeper to 3.4.6 release
    * [HBASE-10786] - If snapshot verification fails with 'Regions moved', the message should contain the name of region causing the failure
    * [HBASE-10787] - TestHCM#testConnection* take too long
    * [HBASE-10821] - Make ColumnInterpreter#getValue() abstract
    * [HBASE-10824] - Enhance detection of protobuf generated code in line length check
    * [HBASE-10889] - test-patch.sh should exclude thrift generated code from long line detection
    * [HBASE-10906] - Change error log for NamingException in TableInputFormatBase to WARN level
    * [HBASE-10912] - setUp / tearDown in TestSCVFWithMiniCluster should be done once per run
    * [HBASE-10956] - Upgrade hadoop-2 dependency to 2.4.0
    * [HBASE-11016] - Remove Filter#filterRow(List)
    * [HBASE-11032] - Replace deprecated methods in FileSystem with their replacements
    * [HBASE-11050] - Replace empty catch block in TestHLog#testFailedToCreateHLogIfParentRenamed with @Test(expected=)
    * [HBASE-11076] - Update refguide on getting 0.94.x to run on hadoop 2.2.0+
    * [HBASE-11090] - Backport HBASE-11083 ExportSnapshot should provide capability to limit bandwidth consumption
    * [HBASE-11107] - Provide utility method equivalent to 0.92's Result.getBytes().getSize()
    * [HBASE-11154] - Document how to use Reverse Scan API
    * [HBASE-11199] - One-time effort to pretty-print the Docbook XML, to make further patch review easier
    * [HBASE-11203] - Clean up javadoc and findbugs warnings in trunk
    * [HBASE-11204] - Document bandwidth consumption limit feature for ExportSnapshot
    * [HBASE-11227] - Mention 8- and 16-bit fixed-with encodings in OrderedBytes docstring
    * [HBASE-11230] - Remove getRowOrBefore from HTableInterface and HTable
    * [HBASE-11317] - Expand unit testing to cover Mockito and MRUnit and give more examples
    * [HBASE-11364] - [BlockCache] Add a flag to cache data blocks in L1 if multi-tier cache
    * [HBASE-11600] - DataInputputStream and DoubleOutputStream are no longer being used
    * [HBASE-11604] - Disable co-locating meta/master by default
    * [HBASE-11621] - Make MiniDFSCluster run faster
    * [HBASE-11666] - Enforce JDK7 javac for builds on branch-1 and master
    * [HBASE-11682] - Explain hotspotting
    * [HBASE-11723] - Document all options of bin/hbase command
    * [HBASE-11735] - Document Configurable Bucket Sizes in bucketCache
    * [HBASE-11762] - Record the class name of Codec in WAL header
    * [HBASE-11800] - Coprocessor service methods in HTableInterface should be annotated public
    * [HBASE-11849] - Clean up orphaned private audience classes
    * [HBASE-11858] - Audit regionserver classes that are missing InterfaceAudience

** Test
    * [HBASE-8889] - TestIOFencing#testFencingAroundCompaction occasionally fails
    * [HBASE-9928] - TestHRegion should clean up test-data directory upon completion
    * [HBASE-9953] - PerformanceEvaluation: Decouple data size from client concurrency
    * [HBASE-10044] - test-patch.sh should accept documents by known file extensions
    * [HBASE-10130] - TestSplitLogManager#testTaskResigned fails sometimes
    * [HBASE-10180] - TestByteBufferIOEngine#testByteBufferIOEngine occasionally fails
    * [HBASE-10189] - Intermittent TestReplicationSyncUpTool failure
    * [HBASE-10301] - TestAssignmentManagerOnCluster#testOpenCloseRacing fails intermittently
    * [HBASE-10377] - Add test for HBASE-10370 Compaction in out-of-date Store causes region split failure
    * [HBASE-10394] - Test for Replication with tags
    * [HBASE-10406] - Column family option is not effective in IntegrationTestSendTraceRequests
    * [HBASE-10408] - Intermittent TestDistributedLogSplitting#testLogReplayForDisablingTable failure
    * [HBASE-10440] - integration tests fail due to nonce collisions
    * [HBASE-10465] - TestZKPermissionsWatcher.testPermissionsWatcher fails sometimes
    * [HBASE-10475] - TestRegionServerCoprocessorExceptionWithAbort may timeout due to concurrent lease removal
    * [HBASE-10480] - TestLogRollPeriod#testWithEdits may fail due to insufficient waiting
    * [HBASE-10543] - Two rare test failures with TestLogsCleaner and TestSplitLogWorker
    * [HBASE-10635] - thrift#TestThriftServer fails due to TTL validity check
    * [HBASE-10649] - TestMasterMetrics fails occasionally
    * [HBASE-10764] - TestLoadIncrementalHFilesSplitRecovery#testBulkLoadPhaseFailure takes too long
    * [HBASE-10767] - Load balancer may interfere with tests in TestHBaseFsck
    * [HBASE-10774] - Restore TestMultiTableInputFormat
    * [HBASE-10782] - Hadoop2 MR tests fail occasionally because of mapreduce.jobhistory.address is no set in job conf
    * [HBASE-10828] - TestRegionObserverInterface#testHBase3583 should wait for all regions to be assigned
    * [HBASE-10852] - TestDistributedLogSplitting#testDisallowWritesInRecovering occasionally fails
    * [HBASE-10867] - TestRegionPlacement#testRegionPlacement occasionally fails
    * [HBASE-10868] - TestAtomicOperation should close HRegion instance after each subtest
    * [HBASE-10988] - Properly wait for server in TestThriftServerCmdLine
    * [HBASE-11010] - TestChangingEncoding is unnecessarily slow
    * [HBASE-11019] - incCount() method should be properly stubbed in HConnectionTestingUtility#getMockedConnectionAndDecorate()
    * [HBASE-11037] - Race condition in TestZKBasedOpenCloseRegion
    * [HBASE-11051] - checkJavacWarnings in test-patch.sh should bail out early if there is compilation error
    * [HBASE-11057] - Improve TestShell coverage of grant and revoke comamnds
    * [HBASE-11104] - IntegrationTestImportTsv#testRunFromOutputCommitter misses credential initialization
    * [HBASE-11152] - test-patch.sh should be able to handle the case where $TERM is not defined
    * [HBASE-11166] - Categorize tests in hbase-prefix-tree module
    * [HBASE-11328] - testMoveRegion could fail
    * [HBASE-11345] - Add an option not to restore cluster after an IT test
    * [HBASE-11375] - Validate compile-protobuf profile in test-patch.sh
    * [HBASE-11404] - TestLogLevel should stop the server at the end
    * [HBASE-11443] - TestIOFencing#testFencingAroundCompactionAfterWALSync times out
    * [HBASE-11615] - TestZKLessAMOnCluster.testForceAssignWhileClosing failed on Jenkins
    * [HBASE-11713] - Adding hbase shell unit test coverage for visibility labels.
    * [HBASE-11918] - TestVisibilityLabelsWithDistributedLogReplay#testAddVisibilityLabelsOnRSRestart sometimes fails due to VisibilityController initialization not being recognized
    * [HBASE-11942] - Fix TestHRegionBusyWait
    * [HBASE-11966] - Minor error in TestHRegion.testCheckAndMutate_WithCorrectValue()

** Umbrella
    * [HBASE-7319] - Extend Cell usage through read path
    * [HBASE-9945] - Coprocessor loading and execution improvements
    * [HBASE-10909] - Abstract out ZooKeeper usage in HBase - phase 1