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  1. Hadoop HDFS
  2. HDFS-6581 Write to single replica in memory
  3. HDFS-6931

Move lazily persisted replicas to finalized directory on DN startup

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    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.6.0
    • Component/s: datanode
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      On restart the DN should move replicas from the current/lazyPersist/ directory to current/finalized. Duplicate replicas of the same block should be deleted from RAM disk.

        Attachments

        1. HDFS-6931.01.patch
          18 kB
          Arpit Agarwal

          Issue Links

          breaks

          Bug - A problem which impairs or prevents the functions of the product. HDFS-8486 DN startup may cause severe data loss

          • Blocker - Blocks development and/or testing work, production could not run
          • Closed

            Activity

              People

              • Assignee:
                arp Arpit Agarwal
                Reporter:
                arp Arpit Agarwal
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                Dates

                • Created:
                  Updated:
                  Resolved: