Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-4437

Race in MR ApplicationMaster can cause reducers to never be scheduled

    Details

      Description

      If the MR AM is notified of container completion by the RM before the AM receives notification of the container cleanup from the NM then it can fail to schedule reducers indefinitely. Logs showing the issue to follow.

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          • Assignee:
            Jason Lowe
            Reporter:
            Jason Lowe
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              Resolved:

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