Uploaded image for project: 'Hadoop Map/Reduce'
  1. Hadoop Map/Reduce
  2. MAPREDUCE-4400

Fix performance regression for small jobs/workflows

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

Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.20.203.0, 1.0.3
    • 1.1.0
    • performance, task
    • None
    • Reviewed
    • task, performance

    Description

      There is a significant performance regression for small jobs/workflows (vs 0.20.2) in the Hadoop 1.x series. Most noticeable with Hive and Pig jobs. PigMix has an average 40% regression against 0.20.2.

      Attachments

        Issue Links

        relates to

        Improvement - An improvement or enhancement to an existing feature or task. MAPREDUCE-4477 Improve task finish synchronization

        • Minor - Minor loss of function, or other problem where easy workaround is present.
        • Open
        supercedes

        Bug - A problem which impairs or prevents the functions of the product. MAPREDUCE-3612 Task.TaskReporter.done method blocked for some time when task is finishing

        • Major - Major loss of function.
        • Open

        Improvement - An improvement or enhancement to an existing feature or task. MAPREDUCE-4381 Make PROGRESS_INTERVAL of org.apache.hadoop.mapred.Task a tunable

        • Minor - Minor loss of function, or other problem where easy workaround is present.
        • Open

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

          People

            vicaya Luke Lu
            vicaya Luke Lu
            Votes:
            0 Vote for this issue
            Watchers:
            18 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

              Slack

                Issue deployment