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  1. Hadoop Map/Reduce
  2. MAPREDUCE-7166

map-only job should ignore node lost event when task is already succeeded

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.7.5, 3.0.0, 3.1.1, 2.8.5, 2.7.7, 2.9.2
    • 3.3.0
    • mrv2
    • None
    • Reviewed

    Description

      When node lost, all mappers on this node will be rescheduled, but it's unnecessary for succeeded map only task because map only job has no reducer, and map output has been written to HDFS when it become succeeded, so we can ignore this node lost event.

      Attachments

        1. MAPREDUCE-7166.001.patch
          8 kB
          Lorin Lee
        2. MAPREDUCE-7166.002.patch
          9 kB
          Lorin Lee
        3. MAPREDUCE-7166.003.patch
          9 kB
          Lorin Lee

        Activity

          People

            lorinlee Lorin Lee
            uranus Zhaohui Xin
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            Dates

              Created:
              Updated:
              Resolved: