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Updated CHANGES.txt for HDFS-6581 merge into branch-2.6.

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This commit is contained in:
Jitendra Pandey 2014-10-21 13:24:03 -07:00
parent ac56b0637e
commit b85919feef
1 changed files with 105 additions and 104 deletions
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209
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -18,9 +18,6 @@ Trunk (Unreleased)
HDFS-3125. Add JournalService to enable Journal Daemon. (suresh)
HDFS-6581. Support writing to a single replica in RAM. (See breakdown of
tasks below for features and contributors).
IMPROVEMENTS
HDFS-4665. Move TestNetworkTopologyWithNodeGroup to common.
@ -256,107 +253,6 @@ Trunk (Unreleased)
HDFS-6981. Fix DN upgrade with layout version change. (Arpit Agarwal)
BREAKDOWN OF HDFS-6581 SUBTASKS AND RELATED JIRAS
HDFS-6921. Add LazyPersist flag to FileStatus. (Arpit Agarwal)
HDFS-6924. Add new RAM_DISK storage type. (Arpit Agarwal)
HDFS-6922. Add LazyPersist flag to INodeFile, save it in FsImage and
edit logs. (Arpit Agarwal)
HDFS-6923. Propagate LazyPersist flag to DNs via DataTransferProtocol.
(Arpit Agarwal)
HDFS-6925. DataNode should attempt to place replicas on transient storage
first if lazyPersist flag is received. (Arpit Agarwal)
HDFS-6926. DN support for saving replicas to persistent storage and
evicting in-memory replicas. (Arpit Agarwal)
HDFS-6927. Initial unit tests for lazy persist files. (Arpit Agarwal)
HDFS-6929. NN periodically unlinks lazy persist files with missing
replicas from namespace. (Arpit Agarwal)
HDFS-6928. 'hdfs put' command should accept lazyPersist flag for testing.
(Arpit Agarwal)
HDFS-6960. Bugfix in LazyWriter, fix test case and some refactoring.
(Arpit Agarwal)
HDFS-6931. Move lazily persisted replicas to finalized directory on DN
startup. (Arpit Agarwal)
HDFS-6950. Add Additional unit tests for HDFS-6581. (Xiaoyu Yao via
Arpit Agarwal)
HDFS-6930. Improve replica eviction from RAM disk. (Arpit Agarwal)
HDFS-6977. Delete all copies when a block is deleted from the block space.
(Arpit Agarwal)
HDFS-6991. Notify NN of evicted block before deleting it from RAM disk.
(Arpit Agarwal)
HDFS-6978. Directory scanner should correctly reconcile blocks on RAM
disk. (Arpit Agarwal)
HDFS-7066. LazyWriter#evictBlocks misses a null check for replicaState.
(Xiaoyu Yao via Arpit Agarwal)
HDFS-7064. Fix unit test failures in HDFS-6581 branch. (Xiaoyu Yao via
Arpit Agarwal)
HDFS-6581. Few more unit test fixes for HDFS-6581. (Arpit Agarwal)
HDFS-7080. Fix finalize and upgrade unit test failures. (Arpit Agarwal)
HDFS-7084. FsDatasetImpl#copyBlockFiles debug log can be improved.
(Xiaoyu Yao via Arpit Agarwal)
HDFS-7091. Add forwarding constructor for INodeFile for existing callers.
(Arpit Agarwal)
HDFS-7100. Make eviction scheme pluggable. (Arpit Agarwal)
HDFS-7108. Fix unit test failures in SimulatedFsDataset. (Arpit Agarwal)
HDFS-7071. Updated editsStored and editsStored.xml to bump layout
version and add LazyPersist flag. (Xiaoyu Yao and Arpit Agarwal via
Arpit Agarwal)
HDFS-6990. Add unit test for evict/delete RAM_DISK block with open
handle. (Xiaoyu Yao via Arpit Agarwal)
HDFS-7143. Fix findbugs warnings in HDFS-6581 branch. (szetszwo via
Arpit Agarwal)
HDFS-6932. Balancer and Mover tools should ignore replicas on RAM_DISK.
(Xiaoyu Yao via Arpit Agarwal)
HDFS-7144. Fix findbugs warnings in RamDiskReplicaTracker. (szetszwo via
Arpit Agarwal)
HDFS-7155. Bugfix in createLocatedFileStatus caused by bad merge.
(Arpit Agarwal)
HDFS-7153. Add storagePolicy to NN edit log during file creation.
(Arpit Agarwal)
HDFS-7159. Use block storage policy to set lazy persist preference.
(Arpit Agarwal)
HDFS-7129. Metrics to track usage of memory for writes. (Xiaoyu Yao
via Arpit Agarwal)
HDFS-7171. Fix Jenkins failures in HDFS-6581 branch. (Arpit Agarwal)
HDFS-7112. LazyWriter should use either async IO or one thread per physical
disk. (Xiaoyu Yao via cnauroth)
HDFS-7090. Use unbuffered writes when persisting in-memory replicas.
(Xiaoyu Yao via cnauroth)
Release 2.7.0 - UNRELEASED
@ -419,6 +315,9 @@ Release 2.6.0 - UNRELEASED
HDFS-6584. Support archival storage. (See breakdown of tasks below for
features and contributors)
HDFS-6581. Support writing to a single replica in RAM. (See breakdown of
tasks below for features and contributors).
IMPROVEMENTS
HDFS-6613. Improve logging in caching classes. (wang)
@ -1225,6 +1124,108 @@ Release 2.6.0 - UNRELEASED
HDFS-7154. Fix returning value of starting reconfiguration task (Lei Xu via
Colin P. McCabe)
BREAKDOWN OF HDFS-6581 SUBTASKS AND RELATED JIRAS
HDFS-6921. Add LazyPersist flag to FileStatus. (Arpit Agarwal)
HDFS-6924. Add new RAM_DISK storage type. (Arpit Agarwal)
HDFS-6922. Add LazyPersist flag to INodeFile, save it in FsImage and
edit logs. (Arpit Agarwal)
HDFS-6923. Propagate LazyPersist flag to DNs via DataTransferProtocol.
(Arpit Agarwal)
HDFS-6925. DataNode should attempt to place replicas on transient storage
first if lazyPersist flag is received. (Arpit Agarwal)
HDFS-6926. DN support for saving replicas to persistent storage and
evicting in-memory replicas. (Arpit Agarwal)
HDFS-6927. Initial unit tests for lazy persist files. (Arpit Agarwal)
HDFS-6929. NN periodically unlinks lazy persist files with missing
replicas from namespace. (Arpit Agarwal)
HDFS-6928. 'hdfs put' command should accept lazyPersist flag for testing.
(Arpit Agarwal)
HDFS-6960. Bugfix in LazyWriter, fix test case and some refactoring.
(Arpit Agarwal)
HDFS-6931. Move lazily persisted replicas to finalized directory on DN
startup. (Arpit Agarwal)
HDFS-6950. Add Additional unit tests for HDFS-6581. (Xiaoyu Yao via
Arpit Agarwal)
HDFS-6930. Improve replica eviction from RAM disk. (Arpit Agarwal)
HDFS-6977. Delete all copies when a block is deleted from the block space.
(Arpit Agarwal)
HDFS-6991. Notify NN of evicted block before deleting it from RAM disk.
(Arpit Agarwal)
HDFS-6978. Directory scanner should correctly reconcile blocks on RAM
disk. (Arpit Agarwal)
HDFS-7066. LazyWriter#evictBlocks misses a null check for replicaState.
(Xiaoyu Yao via Arpit Agarwal)
HDFS-7064. Fix unit test failures in HDFS-6581 branch. (Xiaoyu Yao via
Arpit Agarwal)
HDFS-6581. Few more unit test fixes for HDFS-6581. (Arpit Agarwal)
HDFS-7080. Fix finalize and upgrade unit test failures. (Arpit Agarwal)
HDFS-7084. FsDatasetImpl#copyBlockFiles debug log can be improved.
(Xiaoyu Yao via Arpit Agarwal)
HDFS-7091. Add forwarding constructor for INodeFile for existing callers.
(Arpit Agarwal)
HDFS-7100. Make eviction scheme pluggable. (Arpit Agarwal)
HDFS-7108. Fix unit test failures in SimulatedFsDataset. (Arpit Agarwal)
HDFS-7071. Updated editsStored and editsStored.xml to bump layout
version and add LazyPersist flag. (Xiaoyu Yao and Arpit Agarwal via
Arpit Agarwal)
HDFS-6990. Add unit test for evict/delete RAM_DISK block with open
handle. (Xiaoyu Yao via Arpit Agarwal)
HDFS-7143. Fix findbugs warnings in HDFS-6581 branch. (szetszwo via
Arpit Agarwal)
HDFS-6932. Balancer and Mover tools should ignore replicas on RAM_DISK.
(Xiaoyu Yao via Arpit Agarwal)
HDFS-7144. Fix findbugs warnings in RamDiskReplicaTracker. (szetszwo via
Arpit Agarwal)
HDFS-7155. Bugfix in createLocatedFileStatus caused by bad merge.
(Arpit Agarwal)
HDFS-7153. Add storagePolicy to NN edit log during file creation.
(Arpit Agarwal)
HDFS-7159. Use block storage policy to set lazy persist preference.
(Arpit Agarwal)
HDFS-7129. Metrics to track usage of memory for writes. (Xiaoyu Yao
via Arpit Agarwal)
HDFS-7171. Fix Jenkins failures in HDFS-6581 branch. (Arpit Agarwal)
HDFS-7112. LazyWriter should use either async IO or one thread per physical
disk. (Xiaoyu Yao via cnauroth)
HDFS-7090. Use unbuffered writes when persisting in-memory replicas.
(Xiaoyu Yao via cnauroth)
Release 2.5.1 - 2014-09-05
INCOMPATIBLE CHANGES