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https://issues.apache.org/jira/browse/HADOOP-15481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16751065#comment-16751065
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Takanobu Asanuma commented on HADOOP-15481:
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Updated the fix versions.
> 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: 3.0.4, 3.3.0, 3.2.1, 3.1.3
>
> Attachments: HADOOP-15481-branch-2.003.patch, 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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