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  1. Hadoop HDFS
  2. HDFS-978

Record every new block allocation of a file into the transaction log.

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Duplicate
    • None
    • None
    • namenode
    • None

    Description

      HDFS should record every new block allocation (of a file) into its transaction logs. In the current code, block allocations are persisted only when a file is closed or hflush-ed. This feature will enable HDFS writers to survive namenode restarts.

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          duplicates

          Sub-task - The sub-task of the issue HDFS-1108 Log newly allocated blocks

          • Major - Major loss of function.
          • Closed

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              tlipcon Todd Lipcon
              dhruba Dhruba Borthakur
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              Dates

                Created:
                Updated:
                Resolved: