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  1. Hadoop Common
  2. HADOOP-2655

Copy on write for data and metadata files in the presence of snapshots

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.17.0
    • None
    • None

    Description

      If a DFS Client wants to append data to an existing file (appends, HADOOP-1700) and a snapshot is present, the Datanoed has to implement some form of a copy-on-write for writes to data and meta data files.

      Attachments

        1. copyOnWrite3.patch
          27 kB
          Dhruba Borthakur
        2. copyOnWrite2.patch
          25 kB
          Dhruba Borthakur
        3. copyOnWrite.patch
          27 kB
          Dhruba Borthakur
        4. copyOnWrite.patch
          27 kB
          Dhruba Borthakur

        Issue Links

        blocks

        New Feature - A new feature of the product, which has yet to be developed. HADOOP-1700 Append to files in HDFS

        • Major - Major loss of function.
        • Closed
        relates to

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-8860 Remove unused Replica copyOnWrite code

        • Major - Major loss of function.
        • Resolved

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            dhruba Dhruba Borthakur
            dhruba Dhruba Borthakur
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              Updated:
              Resolved:

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