[jira] [Created] (YARN-4851) Metric improvements for ATS v1.5 storage

[Li Lu (JIRA)]

Li Lu created YARN-4851:
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             Summary: Metric improvements for ATS v1.5 storage
                 Key: YARN-4851
                 URL: https://issues.apache.org/jira/browse/YARN-4851
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Li Lu
            Assignee: Li Lu


We can add more metrics to the ATS v1.5 storage systems, including purging, 
cache hit/misses, read latency, etc. 



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