Zhijie Shen created YARN-3115:

             Summary: Work-preserving restarting of per-node aggregator
                 Key: YARN-3115
                 URL: https://issues.apache.org/jira/browse/YARN-3115
             Project: Hadoop YARN
          Issue Type: Bug
          Components: timelineserver
            Reporter: Zhijie Shen
            Assignee: Zhijie Shen

YARN-3030 makes the per-node aggregator work as the aux service of a NM. It 
contains the states of the per-app aggregators corresponding to the running AM 
containers on this NM. While NM is restarted in work-preserving mode, this 
information of per-node aggregator needs to be carried on over restarting too.

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