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  1. Hadoop HDFS
  2. HDFS-6097

zero-copy reads are incorrectly disabled on file offsets above 2GB

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.4.0
    • Fix Version/s: 2.4.0
    • Component/s: hdfs-client
    • Labels:
      None
    • Target Version/s:

      Description

      Zero-copy reads are incorrectly disabled on file offsets above 2GB due to some code that is supposed to disable zero-copy reads on offsets in block files greater than 2GB (because MappedByteBuffer segments are limited to that size).

        Attachments

        1. HDFS-6097.005.patch
          11 kB
          Colin McCabe
        2. HDFS-6097.004.patch
          10 kB
          Colin McCabe
        3. HDFS-6097.003.patch
          10 kB
          Colin McCabe

          Activity

            People

            • Assignee:
              cmccabe Colin McCabe
              Reporter:
              cmccabe Colin McCabe
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              Dates

              • Created:
                Updated:
                Resolved: