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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2417) [hbase] Fix critical shutdown problem introduced by HADOOP-2338
Date Thu, 13 Dec 2007 20:01:19 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12551595
] 

Hadoop QA commented on HADOOP-2417:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12371609/patch.txt
against trunk revision r603940.

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1338/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1338/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1338/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1338/console

This message is automatically generated.

> [hbase] Fix critical shutdown problem introduced by HADOOP-2338
> ---------------------------------------------------------------
>
>                 Key: HADOOP-2417
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2417
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Jim Kellerman
>            Assignee: Jim Kellerman
>            Priority: Critical
>             Fix For: 0.16.0
>
>         Attachments: patch.txt
>
>
> HADOOP-1338 introduced a critical problem in region server shutdown.
> - when a region server is told by the master to quiesce, closing a region can cause a
concurrent split to fail, possibly corrupting the region.
> In addition, the master may never transition from quiesce to full shutdown, leaving some
region servers still running in quiesce state.

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