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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4930) Convenience command to perform a work-preserving stop of the nodemanager
Date Wed, 06 Apr 2016 20:38:25 GMT
Jason Lowe created YARN-4930:
--------------------------------

             Summary: Convenience command to perform a work-preserving stop of the nodemanager
                 Key: YARN-4930
                 URL: https://issues.apache.org/jira/browse/YARN-4930
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Jason Lowe
            Priority: Minor


When the nodemanager is not under supervision (yarn.nodemanager.recovery.supervised=false)
there may be cases where an admin wants to perform a work-preserving maintenance of the node
but the nodemanager stop CLI command will cause the NM to cleanup containers.  There should
be a CLI command that shuts down the NM while preserving local filesystem and container state
to allow a subsequent nodemanager start to recover containers.



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