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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-10872) Add MutableRate metrics for FSNamesystemLock operations
Date Fri, 11 Nov 2016 18:18:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15657707#comment-15657707
] 

Erik Krogen edited comment on HDFS-10872 at 11/11/16 6:18 PM:
--------------------------------------------------------------

Attaching v008 patch which includes the changes within YARN-5868 (fixing an issue with {{npm}}
during the build process, entirely unrelated to this ticket) just to be able to get a clean
Jenkins build. Patch is otherwise identical to v007.


was (Author: xkrogen):
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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