Uploaded image for project: 'Hadoop Map/Reduce'
  1. Hadoop Map/Reduce
  2. MAPREDUCE-2131

Aggregate JobCounters and TaskCounters in a background thread

    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 0.22.0
    • Fix Version/s: None
    • Component/s: jobtracker
    • Labels:
      None

      Description

      JobTracker.getJobCounters() aggregates the counters when getting requested.
      It may consume lots of CPU if the request is too often.
      It may be good if we aggregate them in a background thread.

      Thoughts?

        Attachments

          Activity

            People

            • Assignee:
              Unassigned
              Reporter:
              schen Scott Chen
            • Votes:
              0 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

              • Created:
                Updated: