HDFS-2832. Update CHANGES.txt to reflect merge to branch-2

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556088 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -13,10 +13,6 @@ Trunk (Unreleased)
 
     HDFS-3125. Add JournalService to enable Journal Daemon. (suresh)
 
-    HDFS-2832. Heterogeneous Storages support in HDFS phase 1 - treat DataNode
-    as a collection of storages (see breakdown of tasks below for features and
-    contributors).
-
   IMPROVEMENTS
 
     HDFS-4665. Move TestNetworkTopologyWithNodeGroup to common.
@@ -468,139 +464,6 @@ Trunk (Unreleased)
     HDFS-5719. FSImage#doRollback() should close prevState before return
     (Ted Yu via brandonli)
 
-  BREAKDOWN OF HDFS-2832 SUBTASKS AND RELATED JIRAS
-
-    HDFS-4985. Add storage type to the protocol and expose it in block report
-    and block locations. (Arpit Agarwal)
-
-    HDFS-5115. Make StorageID a UUID. (Arpit Agarwal)
-
-    HDFS-5000. DataNode configuration should allow specifying storage type.
-    (Arpit Agarwal)
-
-    HDFS-4987. Namenode changes to track multiple storages per datanode.
-    (szetszwo)
-
-    HDFS-5154. Fix TestBlockManager and TestDatanodeDescriptor after HDFS-4987.
-    (Junping Du via szetszwo)
-
-    HDFS-5009. Include storage information in the LocatedBlock.  (szetszwo)
-
-    HDFS-5134. Move blockContentsStale, heartbeatedSinceFailover and
-    firstBlockReport from DatanodeDescriptor to DatanodeStorageInfo; and
-    fix a synchronization problem in DatanodeStorageInfo.  (szetszwo)
-
-    HDFS-5157. Add StorageType to FsVolume.  (Junping Du via szetszwo)
-
-    HDFS-4990. Change BlockPlacementPolicy to choose storages instead of
-    datanodes.  (szetszwo)
-
-    HDFS-5232. Protocol changes to transmit StorageUuid. (Arpit Agarwal)
-
-    HDFS-5233. Use Datanode UUID to identify Datanodes. (Arpit Agarwal)
-
-    HDFS-5222. Move block schedule information from DatanodeDescriptor to
-    DatanodeStorageInfo.  (szetszwo)
-
-    HDFS-4988. Datanode must support all the volumes as individual storages.
-    (Arpit Agarwal)
-
-    HDFS-5377. Heartbeats from Datandode should include one storage report
-    per storage directory. (Arpit Agarwal)
-
-    HDFS-5398. NameNode changes to process storage reports per storage
-    directory. (Arpit Agarwal)
-
-    HDFS-5390. Send one incremental block report per storage directory.
-    (Arpit Agarwal)
-
-    HDFS-5401. Fix NPE in Directory Scanner. (Arpit Agarwal)
-
-    HDFS-5417. Fix storage IDs in PBHelper and UpgradeUtilities.  (szetszwo)
-
-    HDFS-5214. Fix NPEs in BlockManager and DirectoryScanner. (Arpit Agarwal)
-
-    HDFS-5435. File append fails to initialize storageIDs. (Junping Du via
-    Arpit Agarwal)
-
-    HDFS-5437. Fix TestBlockReport and TestBPOfferService failures. (Arpit
-    Agarwal)
-
-    HDFS-5447. Fix TestJspHelper. (Arpit Agarwal)
-
-    HDFS-5452. Fix TestReplicationPolicy and TestBlocksScheduledCounter.
-
-    HDFS-5448. Datanode should generate its ID on first registration. (Arpit
-    Agarwal)
-
-    HDFS-5448. Fix break caused by previous checkin for HDFS-5448. (Arpit
-    Agarwal)
-
-    HDFS-5455. NN should update storageMap on first heartbeat. (Arpit Agarwal)
-
-    HDFS-5457. Fix TestDatanodeRegistration, TestFsck and TestAddBlockRetry.
-    (Contributed by szetszwo)
-
-    HDFS-5466. Update storage IDs when the pipeline is updated. (Contributed
-    by szetszwo)
-
-    HDFS-5439. Fix TestPendingReplication. (Contributed by Junping Du, Arpit
-    Agarwal)
-
-    HDFS-5470. Add back trunk's reportDiff algorithm to the branch.
-    (Contributed by szetszwo)
-
-    HDFS-5472. Fix TestDatanodeManager, TestSafeMode and
-    TestNNThroughputBenchmark (Contributed by szetszwo)
-
-    HDFS-5475. NN incorrectly tracks more than one replica per DN. (Arpit
-    Agarwal)
-
-    HDFS-5481. Fix TestDataNodeVolumeFailure in branch HDFS-2832. (Contributed
-    by Junping Du)
-
-    HDFS-5480. Update Balancer for HDFS-2832. (Contributed by szetszwo)
-
-    HDFS-5486. Fix TestNameNodeMetrics for HDFS-2832. (Arpit Agarwal)
-
-    HDFS-5491. Update editsStored for HDFS-2832. (Arpit Agarwal)
-
-    HDFS-5494. Fix findbugs warnings for HDFS-2832. (Arpit Agarwal)
-
-    HDFS-5508. Fix compilation error after merge. (Contributed by szetszwo)
-
-    HDFS-5501. Fix pendingReceivedRequests tracking in BPServiceActor. (Arpit
-    Agarwal)
-
-    HDFS-5510. Fix a findbug warning in DataStorage.java on HDFS-2832 branch.
-    (Junping Du via Arpit Agarwal)
- 
-    HDFS-5515. Fix TestDFSStartupVersions for HDFS-2832. (Arpit Agarwal)
-
-    HDFS-5527. Fix TestUnderReplicatedBlocks on branch HDFS-2832. (Arpit
-    Agarwal)
-
-    HDFS-5547. Fix build break after merge from trunk to HDFS-2832. (Arpit
-    Agarwal)
-
-    HDFS-5542. Fix TODO and clean up the code in HDFS-2832. (Contributed by
-    szetszwo)
-
-    HDFS-5559. Fix TestDatanodeConfig in HDFS-2832. (Contributed by szetszwo)
-
-    HDFS-5484. StorageType and State in DatanodeStorageInfo in NameNode is
-    not accurate. (Eric Sirianni via Arpit Agarwal)
-
-    HDFS-5648. Get rid of FsDatasetImpl#perVolumeReplicaMap. (Arpit Agarwal)
-
-    HDFS-5406. Send incremental block reports for all storages in a
-    single call. (Arpit Agarwal)
-
-    HDFS-5454. DataNode UUID should be assigned prior to FsDataset
-    initialization. (Arpit Agarwal)
-
-    HDFS-5667. Include DatanodeStorage in StorageReport. (Arpit Agarwal)
-
     HDFS-5589. Namenode loops caching and uncaching when data should be
     uncached (awang via cmccabe)
 
@@ -634,6 +497,10 @@ Release 2.4.0 - UNRELEASED
 
     HDFS-5514. FSNamesystem's fsLock should allow custom implementation (daryn)
 
+    HDFS-2832. Heterogeneous Storages support in HDFS phase 1 - treat DataNode
+    as a collection of storages (see breakdown of tasks below for features and
+    contributors).
+
   IMPROVEMENTS
 
     HDFS-5267. Remove volatile from LightWeightHashSet. (Junping Du via llu)
@@ -861,6 +728,139 @@ Release 2.4.0 - UNRELEASED
     HDFS-5690. DataNode fails to start in secure mode when dfs.http.policy equals to 
     HTTP_ONLY. (Haohui Mai via jing9)
 
+  BREAKDOWN OF HDFS-2832 SUBTASKS AND RELATED JIRAS
+
+    HDFS-4985. Add storage type to the protocol and expose it in block report
+    and block locations. (Arpit Agarwal)
+
+    HDFS-5115. Make StorageID a UUID. (Arpit Agarwal)
+
+    HDFS-5000. DataNode configuration should allow specifying storage type.
+    (Arpit Agarwal)
+
+    HDFS-4987. Namenode changes to track multiple storages per datanode.
+    (szetszwo)
+
+    HDFS-5154. Fix TestBlockManager and TestDatanodeDescriptor after HDFS-4987.
+    (Junping Du via szetszwo)
+
+    HDFS-5009. Include storage information in the LocatedBlock.  (szetszwo)
+
+    HDFS-5134. Move blockContentsStale, heartbeatedSinceFailover and
+    firstBlockReport from DatanodeDescriptor to DatanodeStorageInfo; and
+    fix a synchronization problem in DatanodeStorageInfo.  (szetszwo)
+
+    HDFS-5157. Add StorageType to FsVolume.  (Junping Du via szetszwo)
+
+    HDFS-4990. Change BlockPlacementPolicy to choose storages instead of
+    datanodes.  (szetszwo)
+
+    HDFS-5232. Protocol changes to transmit StorageUuid. (Arpit Agarwal)
+
+    HDFS-5233. Use Datanode UUID to identify Datanodes. (Arpit Agarwal)
+
+    HDFS-5222. Move block schedule information from DatanodeDescriptor to
+    DatanodeStorageInfo.  (szetszwo)
+
+    HDFS-4988. Datanode must support all the volumes as individual storages.
+    (Arpit Agarwal)
+
+    HDFS-5377. Heartbeats from Datandode should include one storage report
+    per storage directory. (Arpit Agarwal)
+
+    HDFS-5398. NameNode changes to process storage reports per storage
+    directory. (Arpit Agarwal)
+
+    HDFS-5390. Send one incremental block report per storage directory.
+    (Arpit Agarwal)
+
+    HDFS-5401. Fix NPE in Directory Scanner. (Arpit Agarwal)
+
+    HDFS-5417. Fix storage IDs in PBHelper and UpgradeUtilities.  (szetszwo)
+
+    HDFS-5214. Fix NPEs in BlockManager and DirectoryScanner. (Arpit Agarwal)
+
+    HDFS-5435. File append fails to initialize storageIDs. (Junping Du via
+    Arpit Agarwal)
+
+    HDFS-5437. Fix TestBlockReport and TestBPOfferService failures. (Arpit
+    Agarwal)
+
+    HDFS-5447. Fix TestJspHelper. (Arpit Agarwal)
+
+    HDFS-5452. Fix TestReplicationPolicy and TestBlocksScheduledCounter.
+
+    HDFS-5448. Datanode should generate its ID on first registration. (Arpit
+    Agarwal)
+
+    HDFS-5448. Fix break caused by previous checkin for HDFS-5448. (Arpit
+    Agarwal)
+
+    HDFS-5455. NN should update storageMap on first heartbeat. (Arpit Agarwal)
+
+    HDFS-5457. Fix TestDatanodeRegistration, TestFsck and TestAddBlockRetry.
+    (Contributed by szetszwo)
+
+    HDFS-5466. Update storage IDs when the pipeline is updated. (Contributed
+    by szetszwo)
+
+    HDFS-5439. Fix TestPendingReplication. (Contributed by Junping Du, Arpit
+    Agarwal)
+
+    HDFS-5470. Add back trunk's reportDiff algorithm to the branch.
+    (Contributed by szetszwo)
+
+    HDFS-5472. Fix TestDatanodeManager, TestSafeMode and
+    TestNNThroughputBenchmark (Contributed by szetszwo)
+
+    HDFS-5475. NN incorrectly tracks more than one replica per DN. (Arpit
+    Agarwal)
+
+    HDFS-5481. Fix TestDataNodeVolumeFailure in branch HDFS-2832. (Contributed
+    by Junping Du)
+
+    HDFS-5480. Update Balancer for HDFS-2832. (Contributed by szetszwo)
+
+    HDFS-5486. Fix TestNameNodeMetrics for HDFS-2832. (Arpit Agarwal)
+
+    HDFS-5491. Update editsStored for HDFS-2832. (Arpit Agarwal)
+
+    HDFS-5494. Fix findbugs warnings for HDFS-2832. (Arpit Agarwal)
+
+    HDFS-5508. Fix compilation error after merge. (Contributed by szetszwo)
+
+    HDFS-5501. Fix pendingReceivedRequests tracking in BPServiceActor. (Arpit
+    Agarwal)
+
+    HDFS-5510. Fix a findbug warning in DataStorage.java on HDFS-2832 branch.
+    (Junping Du via Arpit Agarwal)
+ 
+    HDFS-5515. Fix TestDFSStartupVersions for HDFS-2832. (Arpit Agarwal)
+
+    HDFS-5527. Fix TestUnderReplicatedBlocks on branch HDFS-2832. (Arpit
+    Agarwal)
+
+    HDFS-5547. Fix build break after merge from trunk to HDFS-2832. (Arpit
+    Agarwal)
+
+    HDFS-5542. Fix TODO and clean up the code in HDFS-2832. (Contributed by
+    szetszwo)
+
+    HDFS-5559. Fix TestDatanodeConfig in HDFS-2832. (Contributed by szetszwo)
+
+    HDFS-5484. StorageType and State in DatanodeStorageInfo in NameNode is
+    not accurate. (Eric Sirianni via Arpit Agarwal)
+
+    HDFS-5648. Get rid of FsDatasetImpl#perVolumeReplicaMap. (Arpit Agarwal)
+
+    HDFS-5406. Send incremental block reports for all storages in a
+    single call. (Arpit Agarwal)
+
+    HDFS-5454. DataNode UUID should be assigned prior to FsDataset
+    initialization. (Arpit Agarwal)
+
+    HDFS-5667. Include DatanodeStorage in StorageReport. (Arpit Agarwal)
+
 Release 2.3.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES