Hadoop YARN
  1. Hadoop YARN
  2. YARN-742

Log aggregation causes a lot of redundant setPermission calls

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 0.23.7, 2.0.4-alpha
    • Fix Version/s: 3.0.0, 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.

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

        Activity

          People

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

            Dates

            • Created:
              Updated:
              Resolved:

              Development