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https://issues.apache.org/jira/browse/HBASE-9144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740285#comment-13740285
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Hudson commented on HBASE-9144:
-------------------------------

SUCCESS: Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #675 (See 
[https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/675/])
HBASE-9144 Leases class has contention that's not needed (eclark: rev 1513974)
* 
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Leases.java

                
> Leases class has contention that's not needed
> ---------------------------------------------
>
>                 Key: HBASE-9144
>                 URL: https://issues.apache.org/jira/browse/HBASE-9144
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.95.1
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>            Priority: Critical
>             Fix For: 0.98.0, 0.95.2
>
>         Attachments: HBASE-9144-0.patch, HBASE-9144-1.patch, 
> HBASE-9144-1.patch, HBASE-9144-1.patch, HBASE-9144-1.patch, Sheet1.pdf
>
>
> The Leases class has lots of thread contention.  These locks are there to 
> ensure that all timeouts are met exactly.  This isn't needed in HBase.  

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