1. Bug HDFS-1970
    Null pointer exception comes when Namenode recovery happens and there is no response from client to NN more than the hardlimit for NN recovery and the current block is more than the prev block size in NN
  2. Bug HDFS-1924
    Block information displayed in UI is incorrect
  3. Bug HDFS-1779
    After NameNode restart , Clients can not read partial files even after client invokes Sync.
  4. Improvement HDFS-1555
    HDFS 20 append: Disallow pipeline recovery if a file is already being lease recovered
  5. Improvement HDFS-1554
    Append 0.20: New semantics for recoverLease
  6. New Feature HDFS-1520
    HDFS 20 append: Lightweight NameNode operation to trigger lease recovery
  7. Bug HDFS-1346
    DFSClient receives out of order packet ack
  8. Task HDFS-1266
    Missing license headers in branch-20-append
  9. Bug HDFS-1264
    0.20: OOME in HDFS client made an unrecoverable HDFS block
  10. Bug HDFS-1263
    0.20: in tryUpdateBlock, the meta file is renamed away before genstamp validation is done
  11. Bug HDFS-1258
    Clearing namespace quota on "/" corrupts FS image
  12. Bug HDFS-1254
    0.20: mark dfs.support.append to be true by default for the 0.20-append branch
  13. Improvement HDFS-1248
    Misc cleanup/logging improvements for branch-20-append
  14. Test HDFS-1246
    Manual tool to test sync against a real cluster
  15. Test HDFS-1243
    0.20 append: Replication tests in TestFileAppend4 should not expect immediate replication
  16. Bug HDFS-1240
    TestDFSShell failing in branch-20
  17. Task HDFS-1216
    Update to JUnit 4 in branch 20 append
  18. Bug HDFS-1215
    TestNodeCount infinite loops on branch-20-append
  19. Improvement HDFS-1211
    0.20 append: Block receiver should not log "rewind" packets at INFO level
  20. Improvement HDFS-1210
    DFSClient should log exception when block recovery fails
  21. Bug HDFS-1207
    0.20-append: stallReplicationWork should be volatile
  22. Bug HDFS-1204
    0.20: Lease expiration should recover single files, not entire lease holder
  23. Bug HDFS-1202
    DataBlockScanner throws NPE when updated before initialized
  24. Bug HDFS-1197
    Blocks are considered "complete" prematurely after commitBlockSynchronization or DN restart
  25. Bug HDFS-1141
    completeFile does not check lease ownership
  26. Bug HDFS-1118
    DFSOutputStream socket leak when cannot connect to DataNode
  27. Sub-task HDFS-1057
    Concurrent readers hit ChecksumExceptions if following a writer to very end of file
  28. Improvement HDFS-1056
    Multi-node RPC deadlocks during block recovery
  29. Improvement HDFS-1054
    Remove unnecessary sleep after failure in nextBlockOutputStream
  30. Bug HDFS-988
    saveNamespace race can corrupt the edits log
  31. Improvement HDFS-895
    Allow hflush/sync to occur in parallel with new writes to the file
  32. Improvement HDFS-826
    Allow a mechanism for an application to detect that datanode(s) have died in the write pipeline
  33. Bug HDFS-724
    Pipeline close hangs if one of the datanode is not responsive.
  34. Improvement HDFS-630
    In DFSOutputStream.nextBlockOutputStream(), the client can exclude specific datanodes when locating the next block.
  35. Bug HDFS-606
    ConcurrentModificationException in invalidateCorruptReplicas()
  36. Sub-task HDFS-561
    Fix write pipeline READ_TIMEOUT
  37. Bug HDFS-445
    pread() fails when cached block locations are no longer valid
  38. New Feature HDFS-200
    In HDFS, sync() not yet guarantees data available to the new readers
  39. Bug HDFS-142
    In 0.20, move blocks being written into a blocksBeingWritten directory
  40. Bug HDFS-101
    DFS write pipeline : DFSClient sometimes does not detect second datanode failure
Refresh results