Hadoop YARN
  1. Hadoop YARN
  2. YARN-448

Remove unnecessary hflush from log aggregation

    Details

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

      Description

      AggregatedLogFormat#writeVersion() calls hflush() after writing the version. Calling hflush does not seem to be necessary. It can add a lot of load to hdfs in a big busy cluster.

        Activity

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          People

          • Assignee:
            Kihwal Lee
            Reporter:
            Kihwal Lee
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            Dates

            • Created:
              Updated:
              Resolved:

              Development