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From "Amol Kekre (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3629) Remove sleep from MRAppMaster during app-finish.
Date Fri, 06 Jan 2012 02:15:40 GMT
Remove sleep from MRAppMaster during app-finish.

                 Key: MAPREDUCE-3629
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3629
             Project: Hadoop Map/Reduce
          Issue Type: Task
          Components: mrv2
    Affects Versions: 0.23.0
            Reporter: Amol Kekre
             Fix For: 0.23.1

MRAppMaster waits for 5 secs during app-finish, this was needed before we had
client-side redirection. This affects the app execution in that, AppMaster will killed by
the NM once NM gets
confirmation from RM.

AppMaster should go away immediately. Also, the done call to RM from AM should be the last
thing AM ever does.
Otherwise, today, JobHistory writing gets interrupted if AM gets killed by the NM.

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