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@@ -13,6 +13,10 @@ Trunk (Unreleased)
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HDFS-3125. Add JournalService to enable Journal Daemon. (suresh)
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+ HDFS-2832. Heterogeneous Storages support in HDFS phase 1 - treat DataNode
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+ as a collection of storages (see breakdown of tasks below for features and
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+ contributors).
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+
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IMPROVEMENTS
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HDFS-4665. Move TestNetworkTopologyWithNodeGroup to common.
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@@ -440,6 +444,131 @@ Trunk (Unreleased)
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HDFS-5626. dfsadmin -report shows incorrect cache values. (cmccabe)
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+ BREAKDOWN OF HDFS-2832 SUBTASKS AND RELATED JIRAS
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+
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+ HDFS-4985. Add storage type to the protocol and expose it in block report
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+ and block locations. (Arpit Agarwal)
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+
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+ HDFS-5115. Make StorageID a UUID. (Arpit Agarwal)
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+
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+ HDFS-5000. DataNode configuration should allow specifying storage type.
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+ (Arpit Agarwal)
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+
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+ HDFS-4987. Namenode changes to track multiple storages per datanode.
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+ (szetszwo)
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+
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+ HDFS-5154. Fix TestBlockManager and TestDatanodeDescriptor after HDFS-4987.
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+ (Junping Du via szetszwo)
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+
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+ HDFS-5009. Include storage information in the LocatedBlock. (szetszwo)
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+
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+ HDFS-5134. Move blockContentsStale, heartbeatedSinceFailover and
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+ firstBlockReport from DatanodeDescriptor to DatanodeStorageInfo; and
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+ fix a synchronization problem in DatanodeStorageInfo. (szetszwo)
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+
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+ HDFS-5157. Add StorageType to FsVolume. (Junping Du via szetszwo)
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+
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+ HDFS-4990. Change BlockPlacementPolicy to choose storages instead of
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+ datanodes. (szetszwo)
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+
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+ HDFS-5232. Protocol changes to transmit StorageUuid. (Arpit Agarwal)
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+
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+ HDFS-5233. Use Datanode UUID to identify Datanodes. (Arpit Agarwal)
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+
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+ HDFS-5222. Move block schedule information from DatanodeDescriptor to
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+ DatanodeStorageInfo. (szetszwo)
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+
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+ HDFS-4988. Datanode must support all the volumes as individual storages.
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+ (Arpit Agarwal)
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+
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+ HDFS-5377. Heartbeats from Datandode should include one storage report
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+ per storage directory. (Arpit Agarwal)
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+
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+ HDFS-5398. NameNode changes to process storage reports per storage
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+ directory. (Arpit Agarwal)
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+
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+ HDFS-5390. Send one incremental block report per storage directory.
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+ (Arpit Agarwal)
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+
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+ HDFS-5401. Fix NPE in Directory Scanner. (Arpit Agarwal)
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+
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+ HDFS-5417. Fix storage IDs in PBHelper and UpgradeUtilities. (szetszwo)
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+
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+ HDFS-5214. Fix NPEs in BlockManager and DirectoryScanner. (Arpit Agarwal)
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+
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+ HDFS-5435. File append fails to initialize storageIDs. (Junping Du via
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+ Arpit Agarwal)
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+
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+ HDFS-5437. Fix TestBlockReport and TestBPOfferService failures. (Arpit
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+ Agarwal)
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+
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+ HDFS-5447. Fix TestJspHelper. (Arpit Agarwal)
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+
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+ HDFS-5452. Fix TestReplicationPolicy and TestBlocksScheduledCounter.
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+
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+ HDFS-5448. Datanode should generate its ID on first registration. (Arpit
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+ Agarwal)
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+
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+ HDFS-5448. Fix break caused by previous checkin for HDFS-5448. (Arpit
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+ Agarwal)
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+
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+ HDFS-5455. NN should update storageMap on first heartbeat. (Arpit Agarwal)
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+
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+ HDFS-5457. Fix TestDatanodeRegistration, TestFsck and TestAddBlockRetry.
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+ (Contributed by szetszwo)
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+
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+ HDFS-5466. Update storage IDs when the pipeline is updated. (Contributed
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+ by szetszwo)
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+
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+ HDFS-5439. Fix TestPendingReplication. (Contributed by Junping Du, Arpit
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+ Agarwal)
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+
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+ HDFS-5470. Add back trunk's reportDiff algorithm to the branch.
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+ (Contributed by szetszwo)
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+
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+ HDFS-5472. Fix TestDatanodeManager, TestSafeMode and
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+ TestNNThroughputBenchmark (Contributed by szetszwo)
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+
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+ HDFS-5475. NN incorrectly tracks more than one replica per DN. (Arpit
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+ Agarwal)
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+
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+ HDFS-5481. Fix TestDataNodeVolumeFailure in branch HDFS-2832. (Contributed
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+ by Junping Du)
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+
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+ HDFS-5480. Update Balancer for HDFS-2832. (Contributed by szetszwo)
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+
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+ HDFS-5486. Fix TestNameNodeMetrics for HDFS-2832. (Arpit Agarwal)
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+
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+ HDFS-5491. Update editsStored for HDFS-2832. (Arpit Agarwal)
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+
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+ HDFS-5494. Fix findbugs warnings for HDFS-2832. (Arpit Agarwal)
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+
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+ HDFS-5508. Fix compilation error after merge. (Contributed by szetszwo)
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+
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+ HDFS-5501. Fix pendingReceivedRequests tracking in BPServiceActor. (Arpit
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+ Agarwal)
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+
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+ HDFS-5510. Fix a findbug warning in DataStorage.java on HDFS-2832 branch.
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+ (Junping Du via Arpit Agarwal)
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+
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+ HDFS-5515. Fix TestDFSStartupVersions for HDFS-2832. (Arpit Agarwal)
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+
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+ HDFS-5527. Fix TestUnderReplicatedBlocks on branch HDFS-2832. (Arpit
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+ Agarwal)
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+
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+ HDFS-5547. Fix build break after merge from trunk to HDFS-2832. (Arpit
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+ Agarwal)
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+
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+ HDFS-5542. Fix TODO and clean up the code in HDFS-2832. (Contributed by
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+ szetszwo)
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+
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+ HDFS-5559. Fix TestDatanodeConfig in HDFS-2832. (Contributed by szetszwo)
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+
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+ HDFS-5484. StorageType and State in DatanodeStorageInfo in NameNode is
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+ not accurate. (Eric Sirianni via Arpit Agarwal)
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+
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+ HDFS-5648. Get rid of FsDatasetImpl#perVolumeReplicaMap. (Arpit Agarwal)
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+
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Release 2.4.0 - UNRELEASED
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INCOMPATIBLE CHANGES
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Arpit Agarwal