diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt index bba3a57393..eaf7cdc94b 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -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