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  1. Hadoop YARN
  2. YARN-5483

Optimize RMAppAttempt#pullJustFinishedContainers

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.6.0
    • 2.8.0, 2.6.5, 2.7.4, 3.0.0-alpha1
    • None
    • None
    • Reviewed

    Description

      about 1000 app running on cluster, jprofiler found pullJustFinishedContainers cost too much cpu.

      Attachments

        1. jprofiler-cpu.png
          40 kB
          sandflee
        2. YARN-5483.01.patch
          2 kB
          sandflee
        3. YARN-5483.02.patch
          5 kB
          sandflee
        4. YARN-5483.03.patch
          5 kB
          sandflee
        5. YARN-5483.04.patch
          6 kB
          sandflee
        6. YARN-5483-branch-2.6.patch
          3 kB
          sandflee
        7. YARN-5483-branch-2.6.patch.02
          3 kB
          sandflee
        8. YARN-5483-branch-2.7.patch
          5 kB
          sandflee
        9. YARN-5483-branch-2.7.patch.02
          5 kB
          sandflee

        Issue Links

        fixes

        Bug - A problem which impairs or prevents the functions of the product. YARN-4741 RM is flooded with RMNodeFinishedContainersPulledByAMEvents in the async dispatcher event queue

        • Critical - Crashes, loss of data, severe memory leak.
        • Resolved
        relates to

        Sub-task - The sub-task of the issue YARN-1372 Ensure all completed containers are reported to the AMs across RM restart

        • Major - Major loss of function.
        • Closed

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            Dates

              Created:
              Updated:
              Resolved:

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