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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2853) Killing app may hang while AM is unregistering
Date Tue, 11 Nov 2014 22:52:34 GMT
Jian He created YARN-2853:
-----------------------------

             Summary: Killing app may hang while AM is unregistering
                 Key: YARN-2853
                 URL: https://issues.apache.org/jira/browse/YARN-2853
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Jian He
            Assignee: Jian He


When killing an app, app first moves to KILLING state, If RMAppAttempt receives the attempt_unregister
event before attempt_kill event,  it'll ignore the later attempt_kill event.  Hence, RMApp
won't be able to move to KILLED state and stays at KILLING state forever.



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