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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9630) Add thread which detects JVM pauses like HADOOP's
Date Wed, 25 Sep 2013 00:56:03 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13777013#comment-13777013
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Hudson commented on HBASE-9630:
-------------------------------

SUCCESS: Integrated in hbase-0.96-hadoop2 #56 (See [https://builds.apache.org/job/hbase-0.96-hadoop2/56/])
HBASE-9630 Add thread which detects JVM pauses like HADOOP's (Liang Xie) (ndimiduk: rev 1526028)
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/util/JvmPauseMonitor.java

                
> 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
>             Fix For: 0.98.0, 0.96.0
>
>         Attachments: HBase-9630.txt, HBase-9630-v2.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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