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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HBASE-15614) Report metrics from JvmPauseMonitor
Date Thu, 14 Apr 2016 23:24:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15242116#comment-15242116
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Andrew Purtell edited comment on HBASE-15614 at 4/14/16 11:23 PM:
------------------------------------------------------------------

We see JvmPauseMonitor alerts quite frequently that aren't GC related, and end up tracking
them separately. Agree exporting a separate metric is useful. (We collect and parse GC logs
so can see when there's a GC pause beyond the threshold concurrent with a JvmPauseMonitor
alert, or not.)


was (Author: apurtell):
We see JvmPauseMonitor alerts quite frequently that aren't GC related, and end up tracking
them separately. Agree exporting a separate metric is useful. (We collect and parse GC logs
separately so can see when there's a GC pause beyond the threshold concurrent with a JvmPauseMonitor
alert, or not.)

> 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
>
> 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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