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  1. Hadoop YARN
  2. YARN-431 [Umbrella] Complete/Stabilize YARN application log-handling
  3. YARN-162

nodemanager log aggregation has scaling issues with namenode

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Details

    • Sub-task
    • Status: Open
    • Critical
    • Resolution: Unresolved
    • 0.23.3
    • None
    • nodemanager
    • None

    Description

      Log aggregation causes fd explosion on the namenode. On large clusters this can exhaust FDs to the point where datanodes can't check-in.

      Attachments

        1. YARN-162_v2.txt
          31 kB
          Siddharth Seth
        2. YARN-162_v2.txt
          31 kB
          Siddharth Seth
        3. YARN-162.txt
          31 kB
          Siddharth Seth
        4. YARN-162_WIP.txt
          21 kB
          Siddharth Seth

        Issue Links

          relates to

          Sub-task - The sub-task of the issue YARN-171 NodeManager should serve logs directly if log-aggregation is not enabled

          • Major - Major loss of function.
          • Open

          Activity

            People

              kshukla Kuhu Shukla
              nroberts Nathan Roberts
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              Dates

                Created:
                Updated: