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https://issues.apache.org/jira/browse/HBASE-9630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774414#comment-13774414
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Liang Xie commented on HBASE-9630:
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thanks for review, Nicolas. based on current patch, the secondary HMaster could
avoid running a needless thread(in my opnion, seems nobody will pay attention
to the secondary HMaster in normal situation, right?), do you agree me :)
> Add thread which detects JVM pauses like HADOOP's
> -------------------------------------------------
>
> Key: HBASE-9630
> URL: https://issues.apache.org/jira/browse/HBASE-9630
> Project: HBase
> Issue Type: New Feature
> Components: regionserver
> Affects Versions: 0.98.0
> Reporter: Liang Xie
> Assignee: Liang Xie
> Attachments: HBase-9630.txt
>
>
> 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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