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https://issues.apache.org/jira/browse/HBASE-9613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13836192#comment-13836192
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Liang Xie commented on HBASE-9613:
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[~apurtell], it had been done at HBASE-9630 already. The dup issues were
created during a JIRA outage...
> Add thread which detects JVM pauses like HADOOP's
> -------------------------------------------------
>
> Key: HBASE-9613
> URL: https://issues.apache.org/jira/browse/HBASE-9613
> Project: HBase
> Issue Type: New Feature
> Components: regionserver
> Reporter: Liang Xie
> Assignee: Liang Xie
>
> Todd adds daemon threads for dn&nn to indicate the VM or kernel caused pause
> in application log, it's pretty handy for diagnose, i thought it's great to
> have similar ability in HBase.
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