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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7846) Add support for merging implicit regions in Merge tool
Date Mon, 18 Feb 2013 23:11:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580888#comment-13580888
] 

Hadoop QA commented on HBASE-7846:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12569862/HBASE-7846-v1-trunk.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.master.TestZKBasedOpenCloseRegion

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/4456//console

This message is automatically generated.
                
> Add support for merging implicit regions in Merge tool
> ------------------------------------------------------
>
>                 Key: HBASE-7846
>                 URL: https://issues.apache.org/jira/browse/HBASE-7846
>             Project: HBase
>          Issue Type: Improvement
>          Components: util
>            Reporter: Kaufman Ng
>            Assignee: Jean-Marc Spaggiari
>            Priority: Minor
>         Attachments: HBASE-7846-v0-trunk.patch, HBASE-7846-v1-trunk.patch
>
>
> Currently org.apache.hadoop.hbase.util.Merge needs 2 region names to be explicitly specified
to perform a merge.  This can be cumbersome.
> One idea for improvement is to have Merge to figure out all the adjacent regions and
perform the merges.  
> For example:
> regions before merge: row-10, row-20, row-30, row-40, row-50
> regions after merge: row-10, row-30, row-50
> In the above example, region names of "row-10" and "row-20" are merged to become a new
bigger region of "row-10".

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