HDFS-6581. Update CHANGES.txt in preparation for trunk merge
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-6581.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-6581.txt
deleted file mode 100644
index b41e133..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-6581.txt
+++ /dev/null
@@ -1,96 +0,0 @@
- 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)
-
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 4438d35..f66b927 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -18,6 +18,9 @@
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.
@@ -258,6 +261,103 @@
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)
+
+
Release 2.7.0 - UNRELEASED
INCOMPATIBLE CHANGES
