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  1. Hadoop YARN
  2. YARN-742

Log aggregation causes a lot of redundant setPermission calls

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.23.7, 2.0.4-alpha
    • Fix Version/s: 2.1.0-beta, 0.23.9
    • Component/s: nodemanager
    • Labels:
      None

      Description

      In one of our clusters, namenode RPC is spending 45% of its time on serving setPermission calls. Further investigation has revealed that most calls are redundantly made on /mapred/logs/<user>/logs. Also mkdirs calls are made before this.

        Attachments

        1. YARN-742.patch
          12 kB
          Jason Lowe
        2. YARN-742-1.patch
          12 kB
          Jason Lowe
        3. YARN-742-1.branch-0.23.patch
          15 kB
          Jason Lowe

          Activity

            People

            • Assignee:
              jlowe Jason Lowe
              Reporter:
              kihwal Kihwal Lee
            • Votes:
              1 Vote for this issue
              Watchers:
              9 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: