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https://issues.apache.org/jira/browse/HBASE-10949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13967580#comment-13967580
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Hadoop QA commented on HBASE-10949:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12639933/hbase-10949.patch
against trunk revision .
ATTACHMENT ID: 12639933
{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 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:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/9270//console
This message is automatically generated.
> Reversed scan could hang
> ------------------------
>
> Key: HBASE-10949
> URL: https://issues.apache.org/jira/browse/HBASE-10949
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.0
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Critical
> Fix For: 0.99.0
>
> Attachments: hbase-10949.patch, master-jstack.log
>
>
> When I play with ITBLL (from trunk tip), sometimes, meta scan hangs when the
> cluster is rolling restarted. When this happens, the master takes about 1000%
> of CPU. It looks like there is an infinite loop somewhere. The logs show
> nothing interesting except some meta scanner RPC calls timed out. Jstask
> shows the 10 high QoS RPC handlers are busy with meta scanning.
> However, if I run it again without HBASE-10018, things are fine. I suspect
> there is something to do with the small/reverse scan.
> By the way, I see this problem even with log replay off and hfile version = 2.
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