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  1. Hadoop YARN
  2. YARN-742

Log aggregation causes a lot of redundant setPermission calls

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.23.7, 2.0.4-alpha
    • 2.1.0-beta, 0.23.9
    • nodemanager
    • 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 Darrell Lowe
        2. YARN-742-1.patch
          12 kB
          Jason Darrell Lowe
        3. YARN-742-1.branch-0.23.patch
          15 kB
          Jason Darrell Lowe

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            jlowe Jason Darrell Lowe
            kihwal Kihwal Lee
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            Dates

              Created:
              Updated:
              Resolved:

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