[jira] [Created] (HDFS-9952) Expose FSNamesystem lock wait time as metrics

[Vinayakumar B (JIRA)]

Vinayakumar B created HDFS-9952:
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             Summary: Expose FSNamesystem lock wait time as metrics
                 Key: HDFS-9952
                 URL: https://issues.apache.org/jira/browse/HDFS-9952
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Vinayakumar B
            Assignee: Vinayakumar B


Expose FSNameSystem's readlock() and writeLock() wait time as metrics.



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