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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

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 2.4.0
    • datanode, hdfs-client
    • None

    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

          Activity

            People

              cmccabe Colin McCabe
              cmccabe Colin McCabe
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              Dates

                Created:
                Updated:
                Resolved: