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Vinayakumar B commented on HDFS-9952:
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Thanks [~daryn] for review.
bq. I'm not sure if metrics can be
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Vinayakumar B commented on HDFS-9952:
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{quote}In this case, the time frame of holding MutableRate lock
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Vinayakumar B updated HDFS-9952:
Attachment: HDFS-9952-02.patch
Updated patch for #1 and #2 fixed.
> Expose FSNamesystem lock wait
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Vinayakumar B updated HDFS-9952:
Attachment: HDFS-9952-01.patch
Attaching the patch.
> Expose FSNamesystem lock wait time as metrics
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Vinayakumar B updated HDFS-9952:
Status: Patch Available (was: Open)
> Expose FSNamesystem lock wait time as metrics
>
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Vinayakumar B commented on HDFS-9260:
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How about bringing this into branch-2?
> Improve the
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Vinayakumar B deleted HDFS-10167:
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> CLONE - Erasure Coding: when recovering lost blocks, logs can be too verbose
> and hurt
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Vinayakumar B deleted HDFS-10130:
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> CLONE - Erasure Coding: handle missing internal block locations in
> DFSStripedInputStream
>
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Vinayakumar B deleted HDFS-10165:
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> CLONE - Erasure coding: update EC command "-s" flag to "-p" when specifying
> policy
>
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Vinayakumar B deleted HDFS-10160:
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> CLONE - Erasure coding: fix 2 failed tests of DFSStripedOutputStream
>
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Vinayakumar B deleted HDFS-10139:
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> CLONE - Erasure Coding: the number of chunks in packet is not updated when
> writing parity data
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Vinayakumar B deleted HDFS-10147:
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> CLONE - Erasure Coding: add test for namenode process over replicated striped
> block
>
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Vinayakumar B deleted HDFS-10134:
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> CLONE - Erasure Coding: client generates too many small packets when writing
> parity data
>
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Vinayakumar B deleted HDFS-10159:
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> CLONE - Erasure coding : Fix random failure in TestSafeModeWithStripedFile
>
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Vinayakumar B deleted HDFS-10148:
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> CLONE - Erasure Coding: Fix NPE when NameNode processes over-replicated
> striped blocks
>
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Vinayakumar B deleted HDFS-10162:
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> CLONE - Rename dfs.datanode.stripedread.threshold.millis to
>
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Vinayakumar B deleted HDFS-10144:
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> CLONE - Erasure Coding: fix DFSStripedInputStream/DFSStripedOutputStream
> re-fetch token when
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Vinayakumar B deleted HDFS-10145:
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> CLONE - Erasure Coding: use DirectBufferPool in DFSStripedInputStream for
> buffer allocation
>
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Vinayakumar B deleted HDFS-10117:
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> CLONE - Erasure Coding: processOverReplicatedBlock() handles striped block
>
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Vinayakumar B deleted HDFS-9963:
> CLONE - Erasure Coding Support inside HDFS
> --
>
>
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Vinayakumar B deleted HDFS-10153:
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> CLONE - Erasure coding: add ECPolicy to replace schema+cellSize in hadoop-hdfs
>
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Vinayakumar B deleted HDFS-10119:
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> CLONE - Erasure Coding: Fix usage of 'createZone'
>
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Vinayakumar B deleted HDFS-10138:
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> CLONE - Erasure Coding: fix one cell need two packets
>
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Vinayakumar B deleted HDFS-10161:
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> CLONE - Erasure coding: MapReduce job failed when I set the / folder to the
> EC zone
>
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Vinayakumar B deleted HDFS-10151:
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> CLONE - Erasure Coding: client occasionally gets less block locations when
> some datanodes fail
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Vinayakumar B deleted HDFS-10125:
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> CLONE - Erasure coding: Persist cellSize in BlockInfoStriped and
> StripedBlocksFeature
>
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Vinayakumar B deleted HDFS-10118:
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> CLONE - Erasure Coding: Fix FindBugs Multithreaded correctness Warning
>
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Vinayakumar B deleted HDFS-10150:
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> CLONE - Erasure Coding: Tolerate datanode failures in DFSStripedOutputStream
> when the data
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Vinayakumar B deleted HDFS-10129:
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> CLONE - Erasure Coding: revisit replica counting for striped blocks
>
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Vinayakumar B deleted HDFS-10152:
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> CLONE - Erasure Coding: Provide ECSchema validation when setting EC policy
>
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Vinayakumar B deleted HDFS-10111:
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> CLONE - Erasure coding: remove workarounds in client side stripped blocks
> recovering
>
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Vinayakumar B deleted HDFS-10141:
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> CLONE - Erasure Coding: unit test for SequentialBlockGroupIdGenerator
>
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Vinayakumar B deleted HDFS-10158:
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> CLONE - Erasure coding: do not throw exception when setting replication
> factor on EC files
>
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Vinayakumar B deleted HDFS-10123:
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> CLONE - Erasure Coding: SafeMode handles file smaller than a full stripe
>
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Vinayakumar B deleted HDFS-10156:
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> CLONE - Erasure Coding: use threadpool for EC recovery tasks on DataNode
>
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Vinayakumar B deleted HDFS-10128:
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> CLONE - Erasure Coding: Client can't read(decode) the EC files which have
> corrupt blocks.
>
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Vinayakumar B deleted HDFS-10109:
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> CLONE - createErasureCodingZone should check whether cellSize is available
>
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Vinayakumar B deleted HDFS-10120:
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> CLONE - Allow to configure RS and XOR raw coders
>
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Vinayakumar B deleted HDFS-10132:
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> CLONE - DFSClient hang up when there are not sufficient DataNodes in EC
> cluster.
>
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Vinayakumar B deleted HDFS-10157:
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> CLONE - Erasure coding: update BlockInfoContiguousUC and BlockInfoStripedUC
> to use
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Vinayakumar B deleted HDFS-10154:
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> CLONE - Erasure Coding: Fix ArrayIndexOutOfBoundsException in
> TestWriteStripedFileWithFailure
>
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Vinayakumar B deleted HDFS-10122:
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> CLONE - Erasure Coding: fsck handles file smaller than a full stripe
>
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Vinayakumar B deleted HDFS-10149:
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> CLONE - Erasure coding: store EC schema and cell size in INodeFile and
> eliminate notion of EC
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Vinayakumar B deleted HDFS-10127:
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> CLONE - Erasure Coding: fix the copy constructor of BlockInfoStriped and
> BlockInfoContiguous
>
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Vinayakumar B deleted HDFS-10168:
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> CLONE - Erasure coding: Refactor DFSStripedOutputStream (Move Namenode RPC
> Requests to
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Vinayakumar B deleted HDFS-10143:
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> CLONE - Erasure coding: rename BlockInfoContiguousUC and BlockInfoStripedUC
> to be consistent
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Vinayakumar B deleted HDFS-10121:
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> CLONE - Erasure Coding: fix non-protobuf fsimage for striped blocks
>
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Vinayakumar B deleted HDFS-10136:
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> CLONE - Erasure coding: For a small file missing and under replicated
> ec-block calculation is
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Vinayakumar B deleted HDFS-10166:
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> CLONE - ErasureCodingWorker#processErasureCodingTasks should not fail to
> process remaining
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Vinayakumar B deleted HDFS-10164:
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> CLONE - Erasure Coding: Provide DistributedFilesystem API to
> getAllErasureCodingPolicies
>
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Vinayakumar B deleted HDFS-10146:
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> CLONE - Erasure Coding: Client no need to decode missing parity blocks
>
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Vinayakumar B deleted HDFS-10133:
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> CLONE - Erasure coding: update BlockManager.blockHasEnoughRacks(..) logic for
> striped block
>
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Vinayakumar B deleted HDFS-10137:
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> CLONE - Erasure Coding: Fail to read a file with corrupted blocks
>
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Vinayakumar B deleted HDFS-10135:
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> CLONE - Erasure coding: revisit and simplify BlockInfoStriped and INodeFile
>
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Vinayakumar B deleted HDFS-10155:
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> CLONE - Erasure Coding: Use datablocks, parityblocks and cell size from
> ErasureCodingPolicy
>
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Vinayakumar B deleted HDFS-10113:
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> CLONE - Erasure coding: Two contiguous blocks occupy IDs belong to same
> striped group
>
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Vinayakumar B deleted HDFS-10140:
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> CLONE - Erasure Coding: reuse BlockReader when reading the same block in pread
>
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Vinayakumar B deleted HDFS-10142:
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> CLONE - Erasure Coding: Correctly handle BlockManager#InvalidateBlocks for
> striped block
>
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Vinayakumar B deleted HDFS-10115:
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> CLONE - Fix a decoding issue in stripped block recovering in client side
>
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Vinayakumar B deleted HDFS-10124:
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> CLONE - Fix TestErasureCodingCli test
> -
>
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Vinayakumar B deleted HDFS-10114:
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> CLONE - ErasureCodingWorker fails to do decode work
>
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Vinayakumar B deleted HDFS-10126:
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> CLONE - Erasure Coding: Remove dataBlockNum and parityBlockNum from
> StripedBlockProto
>
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Vinayakumar B deleted HDFS-10131:
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> CLONE - Erasure Coding: fix some block number calculation for striped block
>
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Vinayakumar B deleted HDFS-10106:
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> CLONE - Erasure coding: fix priority level of UnderReplicatedBlocks for
> striped block
>
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Vinayakumar B deleted HDFS-10112:
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> CLONE - Erasure coding: test DataNode reporting bad/corrupted blocks which
> belongs to a striped
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Vinayakumar B deleted HDFS-10116:
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> CLONE - Restore ECZone info inside FSImageLoader
>
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Vinayakumar B deleted HDFS-10110:
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> CLONE - Erasure coding: fix striping related logic in FSDirWriteFileOp to
> sync with HDFS-8421
>
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Vinayakumar B deleted HDFS-10163:
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> CLONE - Cleanup erasure coding documentation
>
>
>
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Vinayakumar B deleted HDFS-10102:
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> CLONE - Erasure Coding: fix cannot rename a zone dir
>
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Vinayakumar B deleted HDFS-10108:
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> CLONE - 2 RPC calls for every file read in DFSClient#open(..) resulting in
> double Audit log
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Vinayakumar B deleted HDFS-10090:
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> CLONE - Fix issues like NPE in TestRecoverStripedFile
>
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Vinayakumar B deleted HDFS-10059:
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> CLONE - Refactor DFSStripedOutputStream and StripedDataStreamer
>
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Vinayakumar B deleted HDFS-10066:
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> CLONE - Erasure coding: consolidate striping-related terminologies
>
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Vinayakumar B deleted HDFS-10101:
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> CLONE - Erasure Coding: make condition check earlier for setReplication
>
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Vinayakumar B deleted HDFS-10055:
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> CLONE - Erasure Coding: simplify the retry logic in DFSStripedInputStream
> (stateful read)
>
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Vinayakumar B deleted HDFS-10082:
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> CLONE - Erasure Coding: Badly treated when short of Datanode in
> StripedDataStreamer
>
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Vinayakumar B deleted HDFS-10058:
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> CLONE - Erasure coding: move striped reading logic to StripedBlockUtil
>
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Vinayakumar B deleted HDFS-10092:
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> CLONE - NN should consider current EC tasks handling count from DN while
> assigning new tasks
>
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Vinayakumar B deleted HDFS-10072:
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> CLONE - Expose some administrative erasure coding operations to HdfsAdmin
>
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Vinayakumar B deleted HDFS-10064:
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> CLONE - Erasure coding: refactor EC constants to be consistent with HDFS-8249
>
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Vinayakumar B deleted HDFS-10100:
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> CLONE - set blockToken in LocatedStripedBlock
> -
>
>
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Vinayakumar B deleted HDFS-10070:
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> CLONE - Erasure coding: Rename Striped block recovery to reconstruction to
> eliminate confusion.
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Vinayakumar B deleted HDFS-10091:
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> CLONE - Remove chunkSize and initialize from erasure coder
>
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Vinayakumar B deleted HDFS-10073:
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> CLONE - Erasure Coding: Badly treated when createBlockOutputStream failed in
> DataStreamer
>
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https://issues.apache.org/jira/browse/HDFS-10077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10077:
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> CLONE - Erasure Coding: test webhdfs read write stripe file
>
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https://issues.apache.org/jira/browse/HDFS-10104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10104:
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> CLONE - Erasure coding: properly handle start offset for internal blocks in a
> block group
>
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https://issues.apache.org/jira/browse/HDFS-10097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10097:
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> CLONE - Erasure Coding: ECZoneManager#getECZoneInfo is not resolving the path
> properly if zone
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https://issues.apache.org/jira/browse/HDFS-10107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10107:
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> CLONE - Refactor BlockInfoContiguous and fix NPE in
> TestBlockInfo#testCopyConstructor()
>
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https://issues.apache.org/jira/browse/HDFS-10096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10096:
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> CLONE - Fix the isNeededReplication calculation for Striped block in NN
>
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https://issues.apache.org/jira/browse/HDFS-10049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10049:
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> CLONE - Fix DFSStripedOutputStream#getCurrentBlockGroupBytes when the last
> stripe is at the
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https://issues.apache.org/jira/browse/HDFS-10094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10094:
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> CLONE - Revisit and refactor ErasureCodingInfo
> --
>
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https://issues.apache.org/jira/browse/HDFS-10098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10098:
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> CLONE - Remove dataBlockNum and parityBlockNum from BlockInfoStriped
>
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https://issues.apache.org/jira/browse/HDFS-10069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10069:
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> CLONE - Follow-on to update decode for DataNode striped blocks reconstruction
>
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https://issues.apache.org/jira/browse/HDFS-10080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10080:
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> CLONE - Erasure Coding: DFSStripedInputStream#seekToNewSource
>
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https://issues.apache.org/jira/browse/HDFS-10079?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10079:
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> CLONE - Fix FindBugs issues introduced by erasure coding
>
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https://issues.apache.org/jira/browse/HDFS-10095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10095:
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> CLONE - Erasure Coding: Pread failed to read data starting from not-first
> stripe
>
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https://issues.apache.org/jira/browse/HDFS-10054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10054:
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> CLONE - Avoid assigning a leading streamer in StripedDataStreamer to tolerate
> datanode failure
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https://issues.apache.org/jira/browse/HDFS-10093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10093:
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> CLONE - Erasure Coding: unit test the behaviour of BlockManager recovery work
> for the deleted
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https://issues.apache.org/jira/browse/HDFS-10086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10086:
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> CLONE - Erasure Coding: TestRecoverStripedFile#testRecoverOneParityBlock is
> failing
>
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https://issues.apache.org/jira/browse/HDFS-10103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinayakumar B deleted HDFS-10103:
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> CLONE - Erasure Coding: Consolidate erasure coding zone related
> implementation into a single
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