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  1. Hadoop YARN
  2. YARN-7401

Reduce lock contention in ClusterNodeTracker#getClusterCapacity()

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.1.0
    • Fix Version/s: 3.0.0, 3.1.0
    • Component/s: resourcemanager
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      Profiling the code shows massive latency in ClusterNodeTracker.getClusterCapacity() on getting the lock.

        Attachments

        1. YARN-7401.001.patch
          2 kB
          Daniel Templeton
        2. YARN-7401.002.patch
          2 kB
          Daniel Templeton

          Activity

            People

            • Assignee:
              templedf Daniel Templeton
              Reporter:
              templedf Daniel Templeton
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              Dates

              • Created:
                Updated:
                Resolved: