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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6160) META entries from daughters can be deleted before parent entries
Date Tue, 05 Jun 2012 03:59:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289125#comment-13289125
] 

Hadoop QA commented on HBASE-6160:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12530889/HBASE-6160_v1.patch
  against trunk revision .

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

    +1 tests included.  The patch appears to include 3 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 does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to introduce 3 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.regionserver.TestSplitTransactionOnCluster

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/2105//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2105//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/2105//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/2105//console

This message is automatically generated.
                
> META entries from daughters can be deleted before parent entries
> ----------------------------------------------------------------
>
>                 Key: HBASE-6160
>                 URL: https://issues.apache.org/jira/browse/HBASE-6160
>             Project: HBase
>          Issue Type: Bug
>          Components: client, regionserver
>    Affects Versions: 0.92.2, 0.94.0, 0.96.0
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>         Attachments: HBASE-6160_v1.patch
>
>
> HBASE-5986 fixed and issue, where the client sees the META entry for the parent, but
not the children. However, after the fix, we have seen the following issue in tests: 
> Region A is split to -> B, C
> Region B is split to -> D, E
> After some time, META entry for B is deleted since it is not needed anymore, but META
entry for Region A stays in META (C still refers it). In this case, the client throws RegionOfflineException
for B. 

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