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  1. Hadoop Map/Reduce
  2. MAPREDUCE-3561 [Umbrella ticket] Performance issues in YARN+MR
  3. MAPREDUCE-3616

Thread pool for launching containers in MR AM not expanding as expected

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    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.23.1
    • Fix Version/s: 0.23.1
    • Component/s: mr-am, mrv2, performance
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Found this while running some benchmarks on 350 nodes. The thread pool stays at 60 for a long time and only expands to 350 towards the fag end of the job.

        Attachments

        1. MAPREDUCE-3616-20120105.txt
          26 kB
          Vinod Kumar Vavilapalli

          Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. MAPREDUCE-3389 MRApps loads the 'mrapp-generated-classpath' file with classpath from the build machine

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

            Activity

              People

              • Assignee:
                vinodkv Vinod Kumar Vavilapalli
                Reporter:
                vinodkv Vinod Kumar Vavilapalli
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                Dates

                • Created:
                  Updated:
                  Resolved: