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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-6046

add dfs.client.mmap.enabled

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Details

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

    Description

      It would be nice to have a configuration variable, dfs.client.mmap.enabled. which would disable mmap reads in the client. This could come in handy for debugging or performance benchmarking.

      Attachments

        1. HDFS-6046.001.patch
          6 kB
          Colin McCabe
        2. HDFS-6046.002.patch
          8 kB
          Colin McCabe
        3. HDFS-6046.003.patch
          8 kB
          Colin McCabe

        Activity

          People

            cmccabe Colin McCabe
            cmccabe Colin McCabe
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            Dates

              Created:
              Updated:
              Resolved: