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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1489) [Umbrella] Work-preserving ApplicationMaster restart
Date Tue, 10 Dec 2013 22:57:07 GMT
Vinod Kumar Vavilapalli created YARN-1489:
---------------------------------------------

             Summary: [Umbrella] Work-preserving ApplicationMaster restart
                 Key: YARN-1489
                 URL: https://issues.apache.org/jira/browse/YARN-1489
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Vinod Kumar Vavilapalli
            Assignee: Vinod Kumar Vavilapalli


Today if AMs go down,
 - RM kills all the containers of that ApplicationAttempt
 - New ApplicationAttempt doesn't know where the previous containers are running
 - Old running containers don't know where the new AM is running.

We need to fix this to enable work-preserving AM restart. The later two potentially can be
done at the app level, but it is good to have a common solution for all apps where-ever possible.



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