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https://issues.apache.org/jira/browse/HBASE-8653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13670075#comment-13670075
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Hadoop QA commented on HBASE-8653:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12585362/8653-v2.txt
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 hadoop1.0{color}. The patch compiles against the hadoop
1.0 profile.
{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 site{color}. The mvn site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.coprocessor.TestMasterObserver
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/5876//console
This message is automatically generated.
> master seems to be deleting region tmp directory from under compaction
> ----------------------------------------------------------------------
>
> Key: HBASE-8653
> URL: https://issues.apache.org/jira/browse/HBASE-8653
> Project: HBase
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Blocker
> Fix For: 0.95.1
>
> Attachments: 8653-v2.txt, HBASE-8653-v0.patch
>
>
> Putting it in .1, feel free to move to .2.
> We have observed some compaction errors where the code was creating a new
> HDFS block, and the file would not exist. Upon investigation, we found the
> .tmp directory delete request on namenode from master IP shortly before that.
> There are no specific logs on master, but one thing running at that time was
> CatalogJanitor. CatalogJanitor calls
> HRegionFileSystem::openRegionFromFileSystem with readOnly == true (in fact,
> everyone does); if readOnly is true, HRegionFileSystem nukes the .tmp
> directory.
> We didn't go thru details on how it arrived there (or if there may have been
> other culprit), but it appears that deleting stuff if (readOnly) is not the
> intended behavior and it should be if (!readOnly). Given that readOnly is not
> really used (or rather is always true except some inconsequential usage in
> test) perhaps entire cleanup should be removed.
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