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From "Liang Xie (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9630) Add thread which detects JVM pauses like HADOOP's
Date Mon, 23 Sep 2013 09:26:19 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774414#comment-13774414
] 

Liang Xie commented on HBASE-9630:
----------------------------------

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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