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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9144) Leases class has contention that's not needed
Date Wed, 14 Aug 2013 22:05:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740266#comment-13740266
] 

Hudson commented on HBASE-9144:
-------------------------------

SUCCESS: Integrated in hbase-0.95 #447 (See [https://builds.apache.org/job/hbase-0.95/447/])
HBASE-9144 Leases class has contention that's not needed (eclark: rev 1513973)
* /hbase/branches/0.95/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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