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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

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 2.6.0
    • datanode
    • None
    • 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

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            arp Arpit Agarwal
            arp Arpit Agarwal
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              Updated:
              Resolved:

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