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  1. Hadoop Map/Reduce
  2. MAPREDUCE-4437

Race in MR ApplicationMaster can cause reducers to never be scheduled

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      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:
              jlowe Jason Lowe
              Reporter:
              jlowe Jason Lowe
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