Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 2.0.2-alpha, 0.23.5
    • Fix Version/s: 2.0.3-alpha, 0.23.6
    • Component/s: mrv2
    • Labels:
      None

      Description

      Saw an instance where the shuffle caused multiple reducers in a job to hang. It looked similar to the problem described in MAPREDUCE-3721, where the fetchers were all being told to WAIT by the MergeManager but no merge was taking place.

        Attachments

        1. MAPREDUCE-4842-2.patch
          16 kB
          Jason Lowe
        2. MAPREDUCE-4842.patch
          6 kB
          Arun C Murthy
        3. MAPREDUCE-4842.patch
          14 kB
          Jason Lowe
        4. MAPREDUCE-4842.patch
          15 kB
          Arun C Murthy
        5. MAPREDUCE-4842.patch
          15 kB
          Jason Lowe
        6. mapreduce-4842.patch
          6 kB
          Mariappan Asokan
        7. mapreduce-4842.patch
          6 kB
          Mariappan Asokan
        8. mapreduce-4842.patch
          6 kB
          Mariappan Asokan
        9. mapreduce-4842.patch
          15 kB
          Mariappan Asokan
        10. mapreduce-4842.patch
          15 kB
          Mariappan Asokan
        11. mapreduce-4842.patch
          15 kB
          Mariappan Asokan

          Issue Links

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              • Assignee:
                masokan Mariappan Asokan
                Reporter:
                jlowe Jason Lowe
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                Dates

                • Created:
                  Updated:
                  Resolved: