109 KiB
Executable File
109 KiB
Executable File
HBASE Changelog
Release 2.1.5 - Unreleased (as of 2019-05-22)
NEW FEATURES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21815 | Make isTrackingMetrics and getMetrics of ScannerContext public | Minor | . |
IMPROVEMENTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| 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-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-20586 | SyncTable tool: Add support for cross-realm remote clusters | Major | mapreduce, Operability, Replication |
| HBASE-21257 | misspelled words.[occured -> occurred] | Trivial | . |
| HBASE-22188 | Make TestSplitMerge more stable | Major | test |
| HBASE-22097 | Modify the description of split command in shell | Trivial | shell |
BUG FIXES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-22289 | WAL-based log splitting resubmit threshold may result in a task being stuck forever | Major | . |
| 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-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-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-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-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-22144 | MultiRowRangeFilter does not work with reversed scans | Critical | Filters, Scanners |
| HBASE-22214 | [2.x] Backport missing filter improvements | Major | Filters |
| 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-22128 | Move namespace region then master crashed make deadlock | Critical | amv2 |
| 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-21688 | Address WAL filesystem issues | Major | Filesystem Integration, wal |
| HBASE-22073 | /rits.jsp throws an exception if no procedure | Major | UI |
| 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-21619 | Fix warning message caused by incorrect ternary operator evaluation | Trivial | . |
| 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-22006 | Fix branch-2.1 findbugs warning; causes nightly show as failed. | Major | . |
TESTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21963 | Add a script for building and verifying release candidate | Minor | community, scripts |
SUB-TASKS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-22445 | Add file info when throw exceptions in HFileReaderImpl | Major | . |
| HBASE-22447 | Check refCount before free block in BucketCache | Major | BucketCache |
| HBASE-22325 | AsyncRpcRetryingCaller will not schedule retry if we hit a NotServingRegionException but there is no TableName provided | Major | asyncclient, Client |
| HBASE-22152 | Create a jenkins file for yetus to processing GitHub PR | Major | build |
| 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-21998 | Move branch-2.1 version from 2.1.4 to 2.1.5-SNAPSHOT | Major | community |
OTHER:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| 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-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-22192 | Delete misc 2.0.5 pom files from branch-2.1 | Minor | community |
| HBASE-22203 | Reformat DemoClient.java | Trivial | . |
| HBASE-22189 | Remove usage of StoreFile.getModificationTimeStamp | Trivial | . |
| 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-22042 | Missing @Override annotation for RawAsyncTableImpl.scan | Major | asyncclient, Client |
Release 2.1.4 - Unreleased (as of 2019-03-24)
NEW FEATURES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21926 | Profiler servlet | Major | master, Operability, regionserver |
IMPROVEMENTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-22032 | KeyValue validation should check for null byte array | Major | . |
| HBASE-21667 | Move to latest ASF Parent POM | Minor | build |
| HBASE-21871 | Support to specify a peer table name in VerifyReplication tool | Major | . |
| HBASE-21867 | Support multi-threads in HFileArchiver | Major | . |
| HBASE-21932 | Use Runtime.getRuntime().halt to terminate regionserver when abort timeout | Major | . |
| HBASE-21636 | Enhance the shell scan command to support missing scanner specifications like ReadType, IsolationLevel etc. | Major | shell |
BUG FIXES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21990 | puppycrawl checkstyle dtds 404... moved to sourceforge | Major | build |
| HBASE-21960 | RESTServletContainer not configured for REST Jetty server | Blocker | REST |
| HBASE-21915 | FileLink$FileLinkInputStream doesn't implement CanUnbuffer | Major | Filesystem Integration |
| 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-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-21942 | [UI] requests per second is incorrect in rsgroup page(rsgroup.jsp) | Minor | . |
| HBASE-21929 | The checks at the end of TestRpcClientLeaks are not executed | Major | test |
| 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-21854 | Race condition in TestProcedureSkipPersistence | Minor | proc-v2 |
| HBASE-18484 | VerifyRep by snapshot does not work when Yarn / SourceHBase / PeerHBase located in different HDFS clusters | Major | Replication |
SUB-TASKS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-22066 | Add markers to CHANGES.md and RELEASENOTES.md | Major | . |
| HBASE-22059 | 2.1 addendum; (check-jar-contents) @ hbase-shaded-check-invariants fails | Major | . |
| 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-21999 | [DEBUG] Exit if git returns empty revision! | Major | build |
| HBASE-21997 | Fix hbase-rest findbugs ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD complaint | Major | REST |
| HBASE-21985 | Set version as 2.1.4 in branch-2.1 in prep for first RC | Major | build, release |
| HBASE-21984 | Generate CHANGES.md and RELEASENOTES.md for 2.1.4 | Major | documentation, release |
| HBASE-21934 | RemoteProcedureDispatcher should track the ongoing dispatched calls | Blocker | proc-v2 |
| HBASE-21978 | Should close AsyncRegistry if we fail to get cluster id when creating AsyncConnection | Major | asyncclient, Client |
| HBASE-21976 | Deal with RetryImmediatelyException for batching request | Major | asyncclient, Client |
| HBASE-21906 | Backport the CallQueueTooBigException related changes in HBASE-21875 to branch-2.1 | Major | proc-v2 |
| HBASE-21927 | Always fail the locate request when error occur | Major | asyncclient, Client |
| HBASE-21930 | Deal with ScannerResetException when opening region scanner | Major | asyncclient, Client |
| HBASE-19889 | Revert Workaround: Purge User API building from branch-2 so can make a beta-1 | Major | website |
| HBASE-21897 | Set version to 2.1.4-SNAPSHOT for branch-2.1 | Major | build |
OTHER:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21057 | upgrade to latest spotbugs | Minor | community, test |
| HBASE-21884 | Fix box/unbox findbugs warning in secure bulk load | Minor | . |
Release 2.1.3 - Unreleased (as of 2019-02-10)
INCOMPATIBLE CHANGES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21727 | Simplify documentation around client timeout | Minor | . |
| HBASE-21684 | Throw DNRIOE when connection or rpc client is closed | Major | asyncclient, Client |
IMPROVEMENTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21201 | Support to run VerifyReplication MR tool without peerid | Major | hbase-operator-tools |
| HBASE-21857 | Do not need to check clusterKey if replicationEndpoint is provided when adding a peer | Major | . |
| HBASE-21816 | Print source cluster replication config directory | Trivial | Replication |
| 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-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-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-21662 | Add append_peer_exclude_namespaces and remove_peer_exclude_namespaces shell commands | Major | . |
BUG FIXES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21862 | IPCUtil.wrapException should keep the original exception types for all the connection exceptions | Blocker | . |
| 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-21644 | Modify table procedure runs infinitely for a table having region replication > 1 | Critical | Admin |
| 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-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-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-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 |
SUB-TASKS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21819 | Generate CHANGES.md and RELEASENOTES.md for 2.1.3 | Major | documentation, release |
| HBASE-21834 | Set version as 2.1.3 in branch-2.1 in prep for first RC | Major | build, release |
| HBASE-21829 | Use FutureUtils.addListener instead of calling whenComplete directly | Major | asyncclient, Client |
| HBASE-21832 | Backport parent "HBASE-21595 Print thread's information and stack traces when RS is aborting forcibly" to branch-2.0/2.1 | Minor | regionserver |
| 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 | in-memory-compaction |
| HBASE-21402 | Backport parent "HBASE-21325 Force to terminate regionserver when abort hang in somewhere" | 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-19695 | Handle disabled table for async client | Major | asyncclient, Client |
| HBASE-21711 | Remove references to git.apache.org/hbase.git | Critical | . |
| HBASE-19722 | Meta query statistics metrics source | Critical | Coprocessors, meta, metrics, 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-21698 | Move version in branch-2.1 from 2.1.2 to 2.1.3-SNAPSHOT | Major | release |
| HBASE-21682 | Support getting from specific replica | Major | read replicas |
| HBASE-17356 | Add replica get support | Major | Client |
OTHER:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21612 | Add developer debug options in HBase Config for REST server | Minor | Operability, REST, scripts |
| HBASE-21853 | update copyright notices to 2019 | Major | documentation |
| HBASE-21791 | Upgrade thrift dependency to 0.12.0 | Blocker | Thrift |
| HBASE-21715 | Do not throw UnsupportedOperationException in ProcedureFuture.get | Major | Client |
| HBASE-21731 | Do not need to use ClusterConnection in IntegrationTestBigLinkedListWithVisibility | Major | . |
| HBASE-21685 | Change repository urls to Gitbox | Critical | . |
| HBASE-21282 | Upgrade to latest jetty 9.2 and 9.3 versions | Major | dependencies |
Release 2.1.2 - Unreleased (as of 2018-12-29)
IMPROVEMENTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| 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-21520 | TestMultiColumnScanner cost long time when using ROWCOL bloom type | Major | test |
| HBASE-21590 | Optimize trySkipToNextColumn in StoreScanner a bit | Critical | Performance, Scanners |
| 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-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 | . |
| 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-21388 | No need to instantiate MemStoreLAB for master which not carry table | Major | . |
BUG FIXES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| 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 | scan |
| HBASE-21620 | Problem in scan query when using more than one column prefix filter in some cases. | Major | scan |
| HBASE-21618 | Scan with the same startRow(inclusive=true) and stopRow(inclusive=false) returns one result | Critical | Client |
| 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-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-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-21492 | CellCodec Written To WAL Before It's Verified | Critical | wal |
| HBASE-21507 | Compaction failed when execute AbstractMultiFileWriter.beforeShipped() method | Major | 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-21440 | Assign procedure on the crashed server is not properly interrupted | Major | . |
| HBASE-21468 | separate workers for meta table is not working | 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-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-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-21356 | bulkLoadHFile API should ensure that rs has the source hfile's write permission | Major | . |
| HBASE-21055 | NullPointerException when balanceOverall() but server balance info is null | Major | Balancer |
TESTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-20136 | TestKeyValue misses ClassRule and Category annotations | Minor | . |
SUB-TASKS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21401 | Sanity check when constructing the KeyValue | Critical | regionserver |
| HBASE-21570 | Add write buffer periodic flush support for AsyncBufferedMutator | Major | asyncclient, Client |
| HBASE-21566 | Release notes and changes for 2.0.4RC0 and 2.1.2RC0 | Major | release |
| 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-21473 | RowIndexSeekerV1 may return cell with extra two \x00\x00 bytes which has no tags | Major | . |
| HBASE-21423 | Procedures for meta table/region should be able to execute in separate workers | Major | . |
| HBASE-21376 | Add some verbose log to MasterProcedureScheduler | Major | logging, proc-v2 |
| HBASE-21442 | Update branch-2.1 for next development cycle | Major | build |
| HBASE-21421 | Do not kill RS if reportOnlineRegions fails | Major | . |
| HBASE-21314 | The implementation of BitSetNode is not efficient | Major | proc-v2 |
| HBASE-21395 | Abort split/merge procedure if there is a table procedure of the same table going on | Major | . |
| HBASE-21351 | The force update thread may have race with PE worker when the procedure is rolling back | Critical | proc-v2 |
| HBASE-21237 | Use CompatRemoteProcedureResolver to dispatch open/close region requests to RS | Blocker | . |
| HBASE-21322 | Add a scheduleServerCrashProcedure() API to HbckService | Major | hbck2 |
| HBASE-21375 | Revisit the lock and queue implementation in MasterProcedureScheduler | Major | proc-v2 |
OTHER:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-18735 | Provide a fast mechanism for shutting down mini cluster | Major | . |
| HBASE-21517 | Move the getTableRegionForRow method from HMaster to TestMaster | Major | test |
Release 2.1.1 - Released 2018-10-31
INCOMPATIBLE CHANGES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| 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-20884 | Replace usage of our Base64 implementation with java.util.Base64 | Major | . |
NEW FEATURES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-20649 | Validate HFiles do not have PREFIX_TREE DataBlockEncoding | Minor | Operability, tooling |
IMPROVEMENTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21385 | HTable.delete request use rpc call directly instead of AsyncProcess | Major | . |
| HBASE-21145 | Backport "HBASE-21126 Add ability for HBase Canary to ignore a configurable number of ZooKeeper down nodes" to branch-2.1 | Minor | canary, Zookeeper |
| 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-21251 | Refactor RegionMover | Major | Operability |
| HBASE-21303 | [shell] clear_deadservers with no args fails | 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-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-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-21157 | Split TableInputFormatScan to individual tests | Minor | test |
| HBASE-21153 | Shaded client jars should always build in relevant phase to avoid confusion | Major | build |
| HBASE-20749 | Upgrade our use of checkstyle to 8.6+ | Minor | build, community |
| 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-20986 | Separate the config of block size when we do log splitting and write Hlog | Major | . |
| 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 |
BUG FIXES:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21380 | TestRSGroups failing | 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-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-21242 | [amv2] Miscellaneous minor log and assign procedure create improvements | Minor | amv2, Operability |
| HBASE-21348 | Fix failing TestRegionBypass, broke by HBASE-21291 | Major | hbck2 |
| HBASE-21345 | [hbck2] Allow version check to proceed even though master is 'initializing'. | Major | hbck2 |
| 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-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-21271 | [amv2] Don't throw UnsupportedOperationException when rollback called on Assign/Unassign; spiral of death | Major | amv2 |
| HBASE-21259 | [amv2] Revived deadservers; recreated serverstatenode | Critical | amv2 |
| 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-21213 | [hbck2] bypass leaves behind state in RegionStates when assign/unassign | Major | amv2, hbck2 |
| 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-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-21206 | Scan with batch size may return incomplete cells | Critical | scan |
| 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-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-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-21132 | return wrong result in rest multiget | Major | . |
| HBASE-20940 | HStore.cansplit should not allow split to happen if it has references | Major | . |
| 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-21120 | MoveRegionProcedure makes no progress; goes to STUCK | Major | amv2 |
| 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-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-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-21029 | Miscount of memstore's heap/offheap size if same cell was put | Major | . |
| HBASE-20981 | Rollback stateCount accounting thrown-off when exception out of rollbackState | Major | amv2 |
| HBASE-21018 | RS crashed because AsyncFS was unable to update HDFS data encryption key | Critical | wal |
| HBASE-21007 | Memory leak in HBase rest server | Critical | REST |
| HBASE-20538 | Upgrade our hadoop versions to 2.7.7 and 3.0.3 | Critical | java, security |
| HBASE-20565 | ColumnRangeFilter combined with ColumnPaginationFilter can produce incorrect result since 1.4 | Major | Filters |
| HBASE-20870 | Wrong HBase root dir in ITBLL's Search Tool | Minor | integration tests |
| HBASE-20869 | Endpoint-based Export use incorrect user to write to destination | Major | Coprocessors |
| 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 |
TESTS:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-21261 | Add log4j.properties for hbase-rsgroup tests | Trivial | . |
| HBASE-21097 | Flush pressure assertion may fail in testFlushThroughputTuning | Major | regionserver |
| 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-21398 | Copy down docs, amend to suite branch-2.1, and then commit | Major | . |
| HBASE-21397 | Set version to 2.1.1 on branch-2.1 in prep for first RC | Major | . |
| 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-21321 | Backport HBASE-21278 to branch-2.1 and branch-2.0 | Critical | . |
| 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-21075 | Confirm that we can (rolling) upgrade from 2.0.x and 2.1.x to 2.2.x after HBASE-20881 | Blocker | amv2, proc-v2 |
| HBASE-21288 | HostingServer in UnassignProcedure is not accurate | Major | amv2, Balancer |
| HBASE-20716 | Unsafe access cleanup | Critical | Performance |
| 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-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-21233 | Allow the procedure implementation to skip persistence of the state after a execution | Major | Performance, proc-v2 |
| HBASE-21214 | [hbck2] setTableState just sets hbase:meta state, not in-memory state | Major | amv2, hbck2 |
| HBASE-21210 | Add bypassProcedure() API to HBCK2 | Major | hbase-operator-tools, 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-21191 | Add a holding-pattern if no assign for meta or namespace (Can happen if masterprocwals have been cleared). | Major | amv2 |
| 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-20941 | Create and implement HbckService in master | Major | . |
| HBASE-21072 | Block out HBCK1 in hbase2 | Major | hbck |
| HBASE-21093 | Move TestCreateTableProcedure.testMRegions to a separated file | Major | test |
| HBASE-21094 | Remove the explicit timeout config for TestTruncateTableProcedure | Major | test |
| HBASE-21050 | Exclusive lock may be held by a SUCCESS state procedure forever | Major | amv2 |
| HBASE-21044 | Disable flakey TestShell list_procedures | Major | test |
| 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-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-20938 | Set version to 2.1.1-SNAPSHOT for branch-2.1 | Major | build |
| 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 | 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 |
OTHER:
| JIRA | Summary | Priority | Component |
|---|---|---|---|
| HBASE-20152 | [AMv2] DisableTableProcedure versus ServerCrashProcedure | Major | amv2 |
| HBASE-20540 | [umbrella] Hadoop 3 compatibility | Major | . |
| HBASE-21294 | [2.1] Update bouncycastle dependency. | Major | dependencies, test |
| HBASE-21198 | Exclude dependency on net.minidev:json-smart | Major | . |
| HBASE-21114 | website should have a copy of 2.1 release docs | Major | community, documentation |
| HBASE-21287 | JVMClusterUtil Master initialization wait time not configurable | Major | test |
| HBASE-21168 | BloomFilterUtil uses hardcoded randomness | Trivial | . |
| HBASE-21125 | Backport 'HBASE-20942 Improve RpcServer TRACE logging' to branch-2.1 | Major | Operability |
| HBASE-20482 | Print a link to the ref guide chapter for the shell during startup | Minor | documentation, shell |
Release 2.1.0 - Released 2018-07-22
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 |