Jason Lowe created YARN-4930:
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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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