Uploaded image for project: 'Hadoop Map/Reduce'
  1. Hadoop Map/Reduce
  2. MAPREDUCE-3394

Add log guard for a debug message in ReduceTask

VotersWatch issueWatchersCreate sub-taskLinkCloneUpdate Comment AuthorReplace String in CommentUpdate Comment VisibilityDelete Comments
    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Closed
    • Trivial
    • Resolution: Fixed
    • 0.20.205.0
    • 1.1.0
    • task
    • None
    • Reviewed

    Description

      There's a LOG.debug message in ReduceTask that stringifies a task ID and uses a non-negligible amount of CPU in some cases. We should guard it with isDebugEnabled

      Attachments

        1. mr-3394.txt
          0.8 kB
          Todd Lipcon

        Activity

          This comment will be Viewable by All Users Viewable by All Users
          Cancel

          People

            tlipcon Todd Lipcon
            tlipcon Todd Lipcon
            Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

              Slack

                Issue deployment