[jira] [Created] (YARN-3936) Add metrics for RMStateStore

[Ming Ma (JIRA)]

Ming Ma created YARN-3936:
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             Summary: Add metrics for RMStateStore
                 Key: YARN-3936
                 URL: https://issues.apache.org/jira/browse/YARN-3936
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Ming Ma


It might be useful to collect some metrics w.r.t. RMStateStore such as:

* Write latency
* The ApplicationStateData size distribution




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