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Fix up CHANGES.txt files post commit of HDFS-1623 and HADOOP-7454. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1296540 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-03-03 00:50:04 +00:00
parent a1fc055489
commit 8e303014bc
4 changed files with 378 additions and 305 deletions
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53
hadoop-common-project/hadoop-common/CHANGES.HDFS-1623.txt
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@ -1,53 +0,0 @@
Changes for HDFS-1623 branch.
This change list will be merged into the trunk CHANGES.txt when the HDFS-1623
branch is merged.
------------------------------
HADOOP-7455. HA: Introduce HA Service Protocol Interface. (suresh)
HADOOP-7774. HA: Administrative CLI to control HA daemons. (todd)
HADOOP-7896. HA: if both NNs are in Standby mode, client needs to try failing
back and forth several times with sleeps. (atm)
HADOOP-7922. Improve some logging for client IPC failovers and
StandbyExceptions (todd)
HADOOP-7921. StandbyException should extend IOException (todd)
HADOOP-7928. HA: Client failover policy is incorrectly trying to fail over all
IOExceptions (atm)
HADOOP-7925. Add interface and update CLI to query current state to
HAServiceProtocol (eli via todd)
HADOOP-7932. Make client connection retries on socket time outs configurable.
(Uma Maheswara Rao G via todd)
HADOOP-7924. FailoverController for client-based configuration (eli)
HADOOP-7961. Move HA fencing to common. (eli)
HADOOP-7970. HAServiceProtocol methods must throw IOException.
(Hari Mankude via suresh).
HADOOP-7992. Add ZKClient library to facilitate leader election.
(Bikas Saha via suresh).
HADOOP-7983. HA: failover should be able to pass args to fencers. (eli)
HADOOP-7938. HA: the FailoverController should optionally fence the
active during failover. (eli)
HADOOP-7991. HA: the FailoverController should check the standby is
ready before failing over. (eli)
HADOOP-8038. Add 'ipc.client.connect.max.retries.on.timeouts' entry in
core-default.xml file. (Uma Maheswara Rao G via atm)
HADOOP-8041. Log a warning when a failover is first attempted (todd)
HADOOP-8068. void methods can swallow exceptions when going through failover path (todd)
HADOOP-8116. RetriableCommand is using RetryPolicy incorrectly after HADOOP-7896. (atm)

57
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -8,6 +8,11 @@ Trunk (unreleased changes)
FSDataOutputStream.sync() and Syncable.sync(). (szetszwo)
NEW FEATURES
HADOOP-7454. Common side of High Availability Framework (HDFS-1623)
Contributed by Todd Lipcon, Aaron T. Myers, Eli Collins, Uma Maheswara Rao G,
Bikas Saha, Suresh Srinivas, Jitendra Nath Pandey, Hari Mankude, Brandon Li,
Sanjay Radia, Mingjie Lai, and Gregory Chanan
IMPROVEMENTS
@ -109,6 +114,58 @@ Trunk (unreleased changes)
HADOOP-7761. Improve the performance of raw comparisons. (todd)
BREAKDOWN OF HADOOP-7454 SUBTASKS
HADOOP-7455. HA: Introduce HA Service Protocol Interface. (suresh)
HADOOP-7774. HA: Administrative CLI to control HA daemons. (todd)
HADOOP-7896. HA: if both NNs are in Standby mode, client needs to try failing
back and forth several times with sleeps. (atm)
HADOOP-7922. Improve some logging for client IPC failovers and
StandbyExceptions (todd)
HADOOP-7921. StandbyException should extend IOException (todd)
HADOOP-7928. HA: Client failover policy is incorrectly trying to fail over all
IOExceptions (atm)
HADOOP-7925. Add interface and update CLI to query current state to
HAServiceProtocol (eli via todd)
HADOOP-7932. Make client connection retries on socket time outs configurable.
(Uma Maheswara Rao G via todd)
HADOOP-7924. FailoverController for client-based configuration (eli)
HADOOP-7961. Move HA fencing to common. (eli)
HADOOP-7970. HAServiceProtocol methods must throw IOException. (Hari Mankude
via suresh).
HADOOP-7992. Add ZKClient library to facilitate leader election. (Bikas Saha
via suresh).
HADOOP-7983. HA: failover should be able to pass args to fencers. (eli)
HADOOP-7938. HA: the FailoverController should optionally fence the active
during failover. (eli)
HADOOP-7991. HA: the FailoverController should check the standby is ready
before failing over. (eli)
HADOOP-8038. Add 'ipc.client.connect.max.retries.on.timeouts' entry in
core-default.xml file. (Uma Maheswara Rao G via atm)
HADOOP-8041. Log a warning when a failover is first attempted (todd)
HADOOP-8068. void methods can swallow exceptions when going through failover
path (todd)
HADOOP-8116. RetriableCommand is using RetryPolicy incorrectly after
HADOOP-7896. (atm)
Release 0.23.3 - UNRELEASED
INCOMPATIBLE CHANGES

252
hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
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@ -1,252 +0,0 @@
Changes for HDFS-1623 branch.
This change list will be merged into the trunk CHANGES.txt when the HDFS-1623
branch is merged.
------------------------------
HDFS-2179. Add fencing framework and mechanisms for NameNode HA. (todd)
HDFS-1974. Introduce active and standy states to the namenode. (suresh)
HDFS-2407. getServerDefaults and getStats don't check operation category (atm)
HDFS-1973. HA: HDFS clients must handle namenode failover and switch over to the new active namenode. (atm)
HDFS-2301. Start/stop appropriate namenode services when transition to active and standby states. (suresh)
HDFS-2231. Configuration changes for HA namenode. (suresh)
HDFS-2418. Change ConfiguredFailoverProxyProvider to take advantage of HDFS-2231. (atm)
HDFS-2393. Mark appropriate methods of ClientProtocol with the idempotent annotation. (atm)
HDFS-2523. Small NN fixes to include HAServiceProtocol and prevent NPE on shutdown. (todd)
HDFS-2577. NN fails to start since it tries to start secret manager in safemode. (todd)
HDFS-2582. Scope dfs.ha.namenodes config by nameservice (todd)
HDFS-2591. MiniDFSCluster support to mix and match federation with HA (todd)
HDFS-1975. Support for sharing the namenode state from active to standby. (jitendra, atm, todd)
HDFS-1971. Send block report from datanode to both active and standby namenodes. (sanjay, todd via suresh)
HDFS-2616. Change DatanodeProtocol#sendHeartbeat() to return HeartbeatResponse. (suresh)
HDFS-2622. Fix TestDFSUpgrade in HA branch. (todd)
HDFS-2612. Handle refreshNameNodes in federated HA clusters (todd)
HDFS-2623. Add test case for hot standby capability (todd)
HDFS-2626. BPOfferService.verifyAndSetNamespaceInfo needs to be synchronized (todd)
HDFS-2624. ConfiguredFailoverProxyProvider doesn't correctly stop ProtocolTranslators (todd)
HDFS-2625. TestDfsOverAvroRpc failing after introduction of HeartbeatResponse type (todd)
HDFS-2627. Determine DN's view of which NN is active based on heartbeat responses (todd)
HDFS-2634. Standby needs to ingest latest edit logs before transitioning to active (todd)
HDFS-2671. NN should throw StandbyException in response to RPCs in STANDBY state (todd)
HDFS-2680. DFSClient should construct failover proxy with exponential backoff (todd)
HDFS-2683. Authority-based lookup of proxy provider fails if path becomes canonicalized (todd)
HDFS-2689. HA: BookKeeperEditLogInputStream doesn't implement isInProgress() (atm)
HDFS-2602. NN should log newly-allocated blocks without losing BlockInfo (atm)
HDFS-2667. Fix transition from active to standby (todd)
HDFS-2684. Fix up some failing unit tests on HA branch (todd)
HDFS-2679. Add interface to query current state to HAServiceProtocol (eli via todd)
HDFS-2677. Web UI should indicate the NN state. (eli via todd)
HDFS-2678. When a FailoverProxyProvider is used, DFSClient should not retry connection ten times before failing over (atm via todd)
HDFS-2682. When a FailoverProxyProvider is used, Client should not retry for 45 times if it is timing out to connect to server. (Uma Maheswara Rao G via todd)
HDFS-2693. Fix synchronization issues around state transition (todd)
HDFS-1972. Fencing mechanism for block invalidations and replications (todd)
HDFS-2714. Fix test cases which use standalone FSNamesystems (todd)
HDFS-2692. Fix bugs related to failover from/into safe mode. (todd)
HDFS-2716. Configuration needs to allow different dfs.http.addresses for each HA NN (todd)
HDFS-2720. Fix MiniDFSCluster HA support to work properly on Windows. (Uma Maheswara Rao G via todd)
HDFS-2291. Allow the StandbyNode to make checkpoints in an HA setup. (todd)
HDFS-2709. Appropriately handle error conditions in EditLogTailer (atm via todd)
HDFS-2730. Refactor shared HA-related test code into HATestUtil class (todd)
HDFS-2762. Fix TestCheckpoint timing out on HA branch. (Uma Maheswara Rao G via todd)
HDFS-2724. NN web UI can throw NPE after startup, before standby state is entered. (todd)
HDFS-2753. Fix standby getting stuck in safemode when blocks are written while SBN is down. (Hari Mankude and todd via todd)
HDFS-2773. Reading edit logs from an earlier version should not leave blocks in under-construction state. (todd)
HDFS-2775. Fix TestStandbyCheckpoints.testBothNodesInStandbyState failing intermittently. (todd)
HDFS-2766. Test for case where standby partially reads log and then performs checkpoint. (atm)
HDFS-2738. FSEditLog.selectinputStreams is reading through in-progress streams even when non-in-progress are requested. (atm)
HDFS-2789. TestHAAdmin.testFailover is failing (eli)
HDFS-2747. Entering safe mode after starting SBN can NPE. (Uma Maheswara Rao G via todd)
HDFS-2772. On transition to active, standby should not swallow ELIE. (atm)
HDFS-2767. ConfiguredFailoverProxyProvider should support NameNodeProtocol. (Uma Maheswara Rao G via todd)
HDFS-2795. Standby NN takes a long time to recover from a dead DN starting up. (todd)
HDFS-2592. Balancer support for HA namenodes. (Uma Maheswara Rao G via todd)
HDFS-2367. Enable the configuration of multiple HA cluster addresses. (atm)
HDFS-2812. When becoming active, the NN should treat all leases as freshly renewed. (todd)
HDFS-2737. Automatically trigger log rolls periodically on the active NN. (todd and atm)
HDFS-2820. Add a simple sanity check for HA config (todd)
HDFS-2688. Add tests for quota tracking in an HA cluster. (todd)
HDFS-2804. Should not mark blocks under-replicated when exiting safemode (todd)
HDFS-2807. Service level authorizartion for HAServiceProtocol. (jitendra)
HDFS-2809. Add test to verify that delegation tokens are honored after failover. (jitendra and atm)
HDFS-2838. NPE in FSNamesystem when in safe mode. (Gregory Chanan via eli)
HDFS-2805. Add a test for a federated cluster with HA NNs. (Brandon Li via jitendra)
HDFS-2841. HAAdmin does not work if security is enabled. (atm)
HDFS-2691. Fixes for pipeline recovery in an HA cluster: report RBW replicas immediately upon pipeline creation. (todd)
HDFS-2824. Fix failover when prior NN died just after creating an edit log segment. (atm via todd)
HDFS-2853. HA: NN fails to start if the shared edits dir is marked required (atm via eli)
HDFS-2845. SBN should not allow browsing of the file system via web UI. (Bikas Saha via atm)
HDFS-2742. HA: observed dataloss in replication stress test. (todd via eli)
HDFS-2870. Fix log level for block debug info in processMisReplicatedBlocks (todd)
HDFS-2859. LOCAL_ADDRESS_MATCHER.match has NPE when called from DFSUtil.getSuffixIDs when the host is incorrect (Bikas Saha via todd)
HDFS-2861. checkpointing should verify that the dfs.http.address has been configured to a non-loopback for peer NN (todd)
HDFS-2860. TestDFSRollback#testRollback is failing. (atm)
HDFS-2769. HA: When HA is enabled with a shared edits dir, that dir should be
marked required. (atm via eli)
HDFS-2863. Failures observed if dfs.edits.dir and shared.edits.dir have same directories. (Bikas Saha via atm)
HDFS-2874. Edit log should log to shared dirs before local dirs. (todd)
HDFS-2890. DFSUtil#getSuffixIDs should skip unset configurations. (atm)
HDFS-2792. Make fsck work. (atm)
HDFS-2808. HA: haadmin should use namenode ids. (eli)
HDFS-2819. Document new HA-related configs in hdfs-default.xml. (eli)
HDFS-2752. HA: exit if multiple shared dirs are configured. (eli)
HDFS-2894. HA: automatically determine the nameservice Id if only one nameservice is configured. (eli)
HDFS-2733. Document HA configuration and CLI. (atm)
HDFS-2794. Active NN may purge edit log files before standby NN has a chance to read them (todd)
HDFS-2901. Improvements for SBN web UI - not show under-replicated/missing blocks. (Brandon Li via jitendra)
HDFS-2905. HA: Standby NN NPE when shared edits dir is deleted. (Bikas Saha via jitendra)
HDFS-2579. Starting delegation token manager during safemode fails. (todd)
HDFS-2510. Add HA-related metrics. (atm)
HDFS-2924. Standby checkpointing fails to authenticate in secure cluster. (todd)
HDFS-2915. HA: TestFailureOfSharedDir.testFailureOfSharedDir() has race condition. (Bikas Saha via jitendra)
HDFS-2912. Namenode not shutting down when shared edits dir is inaccessible. (Bikas Saha via atm)
HDFS-2917. HA: haadmin should not work if run by regular user (eli)
HDFS-2939. TestHAStateTransitions fails on Windows. (Uma Maheswara Rao G via atm)
HDFS-2947. On startup NN throws an NPE in the metrics system. (atm)
HDFS-2942. TestActiveStandbyElectorRealZK fails if build dir does not exist. (atm)
HDFS-2948. NN throws NPE during shutdown if it fails to startup (todd)
HDFS-2909. HA: Inaccessible shared edits dir not getting removed from FSImage storage dirs upon error. (Bikas Saha via jitendra)
HDFS-2934. Allow configs to be scoped to all NNs in the nameservice. (todd)
HDFS-2935. Shared edits dir property should be suffixed with nameservice and namenodeID (todd)
HDFS-2928. ConfiguredFailoverProxyProvider should not create a NameNode proxy with an underlying retry proxy. (Uma Maheswara Rao G via atm)
HDFS-2955. IllegalStateException during standby startup in getCurSegmentTxId. (Hari Mankude via atm)
HDFS-2937. TestDFSHAAdmin needs tests with MiniDFSCluster. (Brandon Li via suresh)
HDFS-2586. Add protobuf service and implementation for HAServiceProtocol. (suresh via atm)
HDFS-2952. NN should not start with upgrade option or with a pending an unfinalized upgrade. (atm)
HDFS-2974. MiniDFSCluster does not delete standby NN name dirs during format. (atm)
HDFS-2929. Stress test and fixes for block synchronization (todd)
HDFS-2972. Small optimization building incremental block report (todd)
HDFS-2973. Re-enable NO_ACK optimization for block deletion. (todd)
HDFS-2922. HA: close out operation categories (eli)
HDFS-2993. HA: BackupNode#checkOperation should permit CHECKPOINT operations (eli)
HDFS-2904. Client support for getting delegation tokens. (todd)
HDFS-3013. HA: NameNode format doesn't pick up dfs.namenode.name.dir.NameServiceId configuration (Mingjie Lai via todd)
HDFS-3019. Fix silent failure of TestEditLogJournalFailures (todd)
HDFS-2958. Sweep for remaining proxy construction which doesn't go through failover path. (atm)
HDFS-2920. fix remaining TODO items. (atm and todd)
HDFS-3027. Implement a simple NN health check. (atm)
HDFS-3023. Optimize entries in edits log for persistBlocks call. (todd)
HDFS-2979. Balancer should use logical uri for creating failover proxy with HA enabled. (atm)
HDFS-3035. Fix failure of TestFileAppendRestart due to OP_UPDATE_BLOCKS (todd)
HDFS-3039. Address findbugs and javadoc warnings on branch. (todd via atm)

321
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -14,6 +14,11 @@ Trunk (unreleased changes)
HDFS-234. Integration with BookKeeper logging system. (Ivan Kelly
via jitendra)
HDFS-1623. High Availability Framework for HDFS NN. Contributed by Todd
Lipcon, Aaron T. Myers, Eli Collins, Uma Maheswara Rao G, Bikas Saha,
Suresh Srinivas, Jitendra Nath Pandey, Hari Mankude, Brandon Li, Sanjay
Radia, Mingjie Lai, and Gregory Chanan
IMPROVEMENTS
HDFS-1620. Rename HdfsConstants -> HdfsServerConstants, FSConstants ->
@ -124,6 +129,322 @@ Trunk (unreleased changes)
HDFS-3037. TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is
racy. (atm)
BREAKDOWN OF HDFS-1623 SUBTASKS
HDFS-2179. Add fencing framework and mechanisms for NameNode HA. (todd)
HDFS-1974. Introduce active and standy states to the namenode. (suresh)
HDFS-2407. getServerDefaults and getStats don't check operation category (atm)
HDFS-1973. HA: HDFS clients must handle namenode failover and switch over to
the new active namenode. (atm)
HDFS-2301. Start/stop appropriate namenode services when transition to active
and standby states. (suresh)
HDFS-2231. Configuration changes for HA namenode. (suresh)
HDFS-2418. Change ConfiguredFailoverProxyProvider to take advantage of
HDFS-2231. (atm)
HDFS-2393. Mark appropriate methods of ClientProtocol with the idempotent
annotation. (atm)
HDFS-2523. Small NN fixes to include HAServiceProtocol and prevent NPE on
shutdown. (todd)
HDFS-2577. NN fails to start since it tries to start secret manager in
safemode. (todd)
HDFS-2582. Scope dfs.ha.namenodes config by nameservice (todd)
HDFS-2591. MiniDFSCluster support to mix and match federation with HA (todd)
HDFS-1975. Support for sharing the namenode state from active to standby.
(jitendra, atm, todd)
HDFS-1971. Send block report from datanode to both active and standby
namenodes. (sanjay, todd via suresh)
HDFS-2616. Change DatanodeProtocol#sendHeartbeat() to return HeartbeatResponse.
(suresh)
HDFS-2622. Fix TestDFSUpgrade in HA branch. (todd)
HDFS-2612. Handle refreshNameNodes in federated HA clusters (todd)
HDFS-2623. Add test case for hot standby capability (todd)
HDFS-2626. BPOfferService.verifyAndSetNamespaceInfo needs to be synchronized
(todd)
HDFS-2624. ConfiguredFailoverProxyProvider doesn't correctly stop
ProtocolTranslators (todd)
HDFS-2625. TestDfsOverAvroRpc failing after introduction of HeartbeatResponse
type (todd)
HDFS-2627. Determine DN's view of which NN is active based on heartbeat
responses (todd)
HDFS-2634. Standby needs to ingest latest edit logs before transitioning to
active (todd)
HDFS-2671. NN should throw StandbyException in response to RPCs in STANDBY
state (todd)
HDFS-2680. DFSClient should construct failover proxy with exponential backoff
(todd)
HDFS-2683. Authority-based lookup of proxy provider fails if path becomes
canonicalized (todd)
HDFS-2689. HA: BookKeeperEditLogInputStream doesn't implement isInProgress()
(atm)
HDFS-2602. NN should log newly-allocated blocks without losing BlockInfo (atm)
HDFS-2667. Fix transition from active to standby (todd)
HDFS-2684. Fix up some failing unit tests on HA branch (todd)
HDFS-2679. Add interface to query current state to HAServiceProtocol (eli via
todd)
HDFS-2677. Web UI should indicate the NN state. (eli via todd)
HDFS-2678. When a FailoverProxyProvider is used, DFSClient should not retry
connection ten times before failing over (atm via todd)
HDFS-2682. When a FailoverProxyProvider is used, Client should not retry for 45
times if it is timing out to connect to server. (Uma Maheswara Rao G via todd)
HDFS-2693. Fix synchronization issues around state transition (todd)
HDFS-1972. Fencing mechanism for block invalidations and replications (todd)
HDFS-2714. Fix test cases which use standalone FSNamesystems (todd)
HDFS-2692. Fix bugs related to failover from/into safe mode. (todd)
HDFS-2716. Configuration needs to allow different dfs.http.addresses for each
HA NN (todd)
HDFS-2720. Fix MiniDFSCluster HA support to work properly on Windows. (Uma
Maheswara Rao G via todd)
HDFS-2291. Allow the StandbyNode to make checkpoints in an HA setup. (todd)
HDFS-2709. Appropriately handle error conditions in EditLogTailer (atm via
todd)
HDFS-2730. Refactor shared HA-related test code into HATestUtil class (todd)
HDFS-2762. Fix TestCheckpoint timing out on HA branch. (Uma Maheswara Rao G via
todd)
HDFS-2724. NN web UI can throw NPE after startup, before standby state is
entered. (todd)
HDFS-2753. Fix standby getting stuck in safemode when blocks are written while
SBN is down. (Hari Mankude and todd via todd)
HDFS-2773. Reading edit logs from an earlier version should not leave blocks in
under-construction state. (todd)
HDFS-2775. Fix TestStandbyCheckpoints.testBothNodesInStandbyState failing
intermittently. (todd)
HDFS-2766. Test for case where standby partially reads log and then performs
checkpoint. (atm)
HDFS-2738. FSEditLog.selectinputStreams is reading through in-progress streams
even when non-in-progress are requested. (atm)
HDFS-2789. TestHAAdmin.testFailover is failing (eli)
HDFS-2747. Entering safe mode after starting SBN can NPE. (Uma Maheswara Rao G
via todd)
HDFS-2772. On transition to active, standby should not swallow ELIE. (atm)
HDFS-2767. ConfiguredFailoverProxyProvider should support NameNodeProtocol.
(Uma Maheswara Rao G via todd)
HDFS-2795. Standby NN takes a long time to recover from a dead DN starting up.
(todd)
HDFS-2592. Balancer support for HA namenodes. (Uma Maheswara Rao G via todd)
HDFS-2367. Enable the configuration of multiple HA cluster addresses. (atm)
HDFS-2812. When becoming active, the NN should treat all leases as freshly
renewed. (todd)
HDFS-2737. Automatically trigger log rolls periodically on the active NN. (todd
and atm)
HDFS-2820. Add a simple sanity check for HA config (todd)
HDFS-2688. Add tests for quota tracking in an HA cluster. (todd)
HDFS-2804. Should not mark blocks under-replicated when exiting safemode (todd)
HDFS-2807. Service level authorizartion for HAServiceProtocol. (jitendra)
HDFS-2809. Add test to verify that delegation tokens are honored after
failover. (jitendra and atm)
HDFS-2838. NPE in FSNamesystem when in safe mode. (Gregory Chanan via eli)
HDFS-2805. Add a test for a federated cluster with HA NNs. (Brandon Li via
jitendra)
HDFS-2841. HAAdmin does not work if security is enabled. (atm)
HDFS-2691. Fixes for pipeline recovery in an HA cluster: report RBW replicas
immediately upon pipeline creation. (todd)
HDFS-2824. Fix failover when prior NN died just after creating an edit log
segment. (atm via todd)
HDFS-2853. HA: NN fails to start if the shared edits dir is marked required
(atm via eli)
HDFS-2845. SBN should not allow browsing of the file system via web UI. (Bikas
Saha via atm)
HDFS-2742. HA: observed dataloss in replication stress test. (todd via eli)
HDFS-2870. Fix log level for block debug info in processMisReplicatedBlocks
(todd)
HDFS-2859. LOCAL_ADDRESS_MATCHER.match has NPE when called from
DFSUtil.getSuffixIDs when the host is incorrect (Bikas Saha via todd)
HDFS-2861. checkpointing should verify that the dfs.http.address has been
configured to a non-loopback for peer NN (todd)
HDFS-2860. TestDFSRollback#testRollback is failing. (atm)
HDFS-2769. HA: When HA is enabled with a shared edits dir, that dir should be
marked required. (atm via eli)
HDFS-2863. Failures observed if dfs.edits.dir and shared.edits.dir have same
directories. (Bikas Saha via atm)
HDFS-2874. Edit log should log to shared dirs before local dirs. (todd)
HDFS-2890. DFSUtil#getSuffixIDs should skip unset configurations. (atm)
HDFS-2792. Make fsck work. (atm)
HDFS-2808. HA: haadmin should use namenode ids. (eli)
HDFS-2819. Document new HA-related configs in hdfs-default.xml. (eli)
HDFS-2752. HA: exit if multiple shared dirs are configured. (eli)
HDFS-2894. HA: automatically determine the nameservice Id if only one
nameservice is configured. (eli)
HDFS-2733. Document HA configuration and CLI. (atm)
HDFS-2794. Active NN may purge edit log files before standby NN has a chance to
read them (todd)
HDFS-2901. Improvements for SBN web UI - not show under-replicated/missing
blocks. (Brandon Li via jitendra)
HDFS-2905. HA: Standby NN NPE when shared edits dir is deleted. (Bikas Saha via
jitendra)
HDFS-2579. Starting delegation token manager during safemode fails. (todd)
HDFS-2510. Add HA-related metrics. (atm)
HDFS-2924. Standby checkpointing fails to authenticate in secure cluster.
(todd)
HDFS-2915. HA: TestFailureOfSharedDir.testFailureOfSharedDir() has race
condition. (Bikas Saha via jitendra)
HDFS-2912. Namenode not shutting down when shared edits dir is inaccessible.
(Bikas Saha via atm)
HDFS-2917. HA: haadmin should not work if run by regular user (eli)
HDFS-2939. TestHAStateTransitions fails on Windows. (Uma Maheswara Rao G via
atm)
HDFS-2947. On startup NN throws an NPE in the metrics system. (atm)
HDFS-2942. TestActiveStandbyElectorRealZK fails if build dir does not exist.
(atm)
HDFS-2948. NN throws NPE during shutdown if it fails to startup (todd)
HDFS-2909. HA: Inaccessible shared edits dir not getting removed from FSImage
storage dirs upon error. (Bikas Saha via jitendra)
HDFS-2934. Allow configs to be scoped to all NNs in the nameservice. (todd)
HDFS-2935. Shared edits dir property should be suffixed with nameservice and
namenodeID (todd)
HDFS-2928. ConfiguredFailoverProxyProvider should not create a NameNode proxy
with an underlying retry proxy. (Uma Maheswara Rao G via atm)
HDFS-2955. IllegalStateException during standby startup in getCurSegmentTxId.
(Hari Mankude via atm)
HDFS-2937. TestDFSHAAdmin needs tests with MiniDFSCluster. (Brandon Li via
suresh)
HDFS-2586. Add protobuf service and implementation for HAServiceProtocol.
(suresh via atm)
HDFS-2952. NN should not start with upgrade option or with a pending an
unfinalized upgrade. (atm)
HDFS-2974. MiniDFSCluster does not delete standby NN name dirs during format.
(atm)
HDFS-2929. Stress test and fixes for block synchronization (todd)
HDFS-2972. Small optimization building incremental block report (todd)
HDFS-2973. Re-enable NO_ACK optimization for block deletion. (todd)
HDFS-2922. HA: close out operation categories (eli)
HDFS-2993. HA: BackupNode#checkOperation should permit CHECKPOINT operations
(eli)
HDFS-2904. Client support for getting delegation tokens. (todd)
HDFS-3013. HA: NameNode format doesn't pick up
dfs.namenode.name.dir.NameServiceId configuration (Mingjie Lai via todd)
HDFS-3019. Fix silent failure of TestEditLogJournalFailures (todd)
HDFS-2958. Sweep for remaining proxy construction which doesn't go through
failover path. (atm)
HDFS-2920. fix remaining TODO items. (atm and todd)
HDFS-3027. Implement a simple NN health check. (atm)
HDFS-3023. Optimize entries in edits log for persistBlocks call. (todd)
HDFS-2979. Balancer should use logical uri for creating failover proxy with HA
enabled. (atm)
HDFS-3035. Fix failure of TestFileAppendRestart due to OP_UPDATE_BLOCKS (todd)
HDFS-3039. Address findbugs and javadoc warnings on branch. (todd via atm)
Release 0.23.3 - UNRELEASED
INCOMPATIBLE CHANGES