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  1. Hadoop Common
  2. HADOOP-12566

Add NullGroupMapping

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.9.0, 3.0.0-alpha1
    • None
    • None
    • Reviewed

    Description

      Add a NullGroupMapping for cases where user groups are not used. ShellBasedUnixGroupMapping can be used in places where latency is not important. In places like starting a container, it's worth in to avoid the extra fork and exec.

      Attachments

        1. HADOOP-12566.002.patch
          4 kB
          Daniel Templeton
        2. HADOOP-12566.001.patch
          4 kB
          Daniel Templeton

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              templedf Daniel Templeton
              templedf Daniel Templeton
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                Created:
                Updated:
                Resolved: