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  1. Hadoop HDFS
  2. HDFS-5182 BlockReaderLocal must allow zero-copy reads only when the DN believes it's valid
  3. HDFS-5746

add ShortCircuitSharedMemorySegment

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    Details

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

      Description

      Add ShortCircuitSharedMemorySegment, which will be used to communicate information between the datanode and the client about whether a replica is mlocked.

        Attachments

        1. HDFS-5746.001.patch
          70 kB
          Colin McCabe
        2. HDFS-5746.002.patch
          71 kB
          Colin McCabe
        3. HDFS-5746.003.patch
          71 kB
          Colin McCabe
        4. HDFS-5746.004.patch
          72 kB
          Colin McCabe
        5. HDFS-5746.005.patch
          76 kB
          Colin McCabe
        6. HDFS-5746.006.patch
          77 kB
          Colin McCabe
        7. HDFS-5746.007.patch
          77 kB
          Colin McCabe
        8. HDFS-5746.008.patch
          77 kB
          Colin McCabe

        Issue Links

        breaks

        Bug - A problem which impairs or prevents the functions of the product. HADOOP-10327 Trunk windows build broken after HDFS-5746

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

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            People

            • Assignee:
              cmccabe Colin McCabe
              Reporter:
              cmccabe Colin McCabe

              Dates

              • Created:
                Updated:
                Resolved:

                Issue deployment