sandflee created YARN-4740:
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             Summary: container complete msg may lost while AM restart in race 
condition
                 Key: YARN-4740
                 URL: https://issues.apache.org/jira/browse/YARN-4740
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: sandflee
            Assignee: sandflee


1, container completed, and the msg is store in 
RMAppAttempt.justFinishedContainers
2,  AM allocate and before allocateResponse came to AM, AM crashed
3,  AM restart and couldn't get the container complete msg.



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