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https://issues.apache.org/jira/browse/HDFS-10872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erik Krogen updated HDFS-10872:
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Attachment: HDFS-10872.008.patch
Attaching v008 patch which includes the changes within YARN-5868 just to be
able to get a clean Jenkins build. Patch is otherwise identical to v007.
> 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, HDFS-10872.002.patch, HDFS-10872.003.patch,
> HDFS-10872.004.patch, HDFS-10872.005.patch, HDFS-10872.006.patch,
> HDFS-10872.007.patch, HDFS-10872.008.patch
>
>
> Add metrics for FSNamesystemLock operations to see, overall, how long each
> operation is holding the lock for. Use MutableRate metrics for now.
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