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https://issues.apache.org/jira/browse/HADOOP-15481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16744428#comment-16744428
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Chen Liang commented on HADOOP-15481:
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[~cgregori] I was trying to commit to branch-2 as well, but seems v003 patch
does not apply to branch-2, would you mind providing a patch for branch-2 as
well?
> Emit FairCallQueue stats as metrics
> -----------------------------------
>
> Key: HADOOP-15481
> URL: https://issues.apache.org/jira/browse/HADOOP-15481
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics, rpc-server
> Reporter: Erik Krogen
> Assignee: Christopher Gregorian
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HADOOP-15481.001.patch, HADOOP-15481.001.patch,
> HADOOP-15481.002.patch, HADOOP-15481.003.patch
>
>
> Currently FairCallQueue has some statistics which are exported via JMX: the
> size of each queue, and the number of overflowed calls per queue. These are
> useful statistics to track over time to determine, for example, if queues
> need to be resized. We should emit them via the standard metrics system.
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