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https://issues.apache.org/jira/browse/HBASE-1212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13563332#comment-13563332
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Hadoop QA commented on HBASE-1212:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12566598/HBASE-1212-v3-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:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/4191//console
This message is automatically generated.
> merge tool expects regions all have different sequence ids
> ----------------------------------------------------------
>
> Key: HBASE-1212
> URL: https://issues.apache.org/jira/browse/HBASE-1212
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: Jean-Marc Spaggiari
> Attachments: failure.log, HBASE-1212.patch, HBASE-1212-v2.patch,
> HBASE-1212-v3-trunk.patch
>
>
> Currently merging two regions, the merge tool will compare their sequence
> ids. If same, it will decrement one. It needs to do this because on region
> open, files are keyed by their sequenceid; if two the same, one will erase
> the other.
> Well, with the move to the aggregating hfile format, the sequenceid is
> written when the file is created and its no longer written into an aside file
> but as metadata on to the end of the file. Changing the sequenceid is no
> longer an option.
> This issue is about figuring a solution for the rare case where two store
> files have same sequence id AND we want to merge the two regions.
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