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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6272) In-memory region state is inconsistent
Date Fri, 27 Jul 2012 02:42:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423642#comment-13423642
] 

Hadoop QA commented on HBASE-6272:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12538104/6272-trunk_v6.patch
  against trunk revision .

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

    +1 tests included.  The patch appears to include 50 new or modified tests.

    +1 hadoop2.0.  The patch compiles against the hadoop 2.0 profile.

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

    -1 javac.  The applied patch generated 5 javac compiler warnings (more than the trunk's
current 4 warnings).

    -1 findbugs.  The patch appears to introduce 5 new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

     -1 core tests.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.coprocessor.TestRowProcessorEndpoint
                  org.apache.hadoop.hbase.regionserver.TestAtomicOperation

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/2444//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2444//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2444//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2444//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2444//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2444//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/2444//console

This message is automatically generated.
                
> In-memory region state is inconsistent
> --------------------------------------
>
>                 Key: HBASE-6272
>                 URL: https://issues.apache.org/jira/browse/HBASE-6272
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>         Attachments: 6272-trunk_v6.patch
>
>
> AssignmentManger stores region state related information in several places: regionsInTransition,
regions (region info to server name map), and servers (server name to region info set map).
 However the access to these places is not coordinated properly.  It leads to inconsistent
in-memory region state information.  Sometimes, some region could even be offline, and not
in transition.

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