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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15614) Report metrics from JvmPauseMonitor
Date Sun, 17 Apr 2016 17:50:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244756#comment-15244756
] 

Andrew Purtell commented on HBASE-15614:
----------------------------------------

I kind of like the idea of mixing this in to the server sources, so the pause metrics appear
in their JMX hierarchy, but could also make this standalone like MetricsWAL. Any preference?
If not I'll fix any checkstyle and whitespace issues Monday.

> Report metrics from JvmPauseMonitor
> -----------------------------------
>
>                 Key: HBASE-15614
>                 URL: https://issues.apache.org/jira/browse/HBASE-15614
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics, regionserver
>            Reporter: Nick Dimiduk
>            Assignee: Andrew Purtell
>             Fix For: 2.0.0, 1.3.0, 0.98.19
>
>         Attachments: HBASE-15614.patch
>
>
> We have {{JvmPauseMonitor}} for detecting JVM pauses; pauses are logged at WARN. Would
also be good to expose this information on a dashboard via metrics system -- make it easier
to get this info off the host and into a central location for the operator.



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