Arun Suresh created YARN-5620:
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             Summary: Core changes in NodeManager to support for upgrade and 
rollback of Containers
                 Key: YARN-5620
                 URL: https://issues.apache.org/jira/browse/YARN-5620
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Arun Suresh
            Assignee: Arun Suresh


JIRA proposes to modify the ContainerManager (and other core classes) to 
support upgrade of a running container with a new {{ContainerLaunchContext}} as 
well as the ability to rollback the upgrade if the container is not able to 
restart using the new launch Context. 



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