Uploaded image for project: 'Hadoop Map/Reduce'
  1. Hadoop Map/Reduce
  2. MAPREDUCE-327

Add explicit remote map count JobTracker metrics

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • None

    Description

      I am proposing to add a counter REMOTE_MAPS in addition to the following counters: TOTAL_MAPS, DATA_LOCAL_MAPS, RACK_LOCAL_MAPS. A Map Task is considered a "remote-map" iff the input split returns a set of locations, but none is chosen to execute the map task.

      Attachments

        Activity

          People

            Unassigned Unassigned
            hong.tang Hong Tang
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated: