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Erik Krogen updated HDFS-10872: ------------------------------- Attachment: HDFS-10872.001.patch Thanks for the review, [~zhz]. 1. I agree. Created HDFS-11021 to track. 2. Used a {{final String}} variable for each operation whose name is used more than once. 3. Per our offline discussion the best place for these metrics to live is actually {{FSNamesystem}}'s metrics. Thank you for bringing up the issue. Attaching v001 patch with the above changes and some bug fixes. > Add MutableRate metrics for FSNamesystemLock operations > ------------------------------------------------------- > > Key: HDFS-10872 > URL: https://issues.apache.org/jira/browse/HDFS-10872 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: namenode > Reporter: Erik Krogen > Assignee: Erik Krogen > Attachments: FSLockPerf.java, HDFS-10872.000.patch, > HDFS-10872.001.patch > > > Add metrics for FSNamesystemLock operations to see, overall, how long each > operation is holding the lock for. Use MutableRate metrics for now. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org