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https://issues.apache.org/jira/browse/HBASE-12952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14300976#comment-14300976
]
Hadoop QA commented on HBASE-12952:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12695872/hbase_0.98.6.1.patch
against 0.98 branch at commit 86b8b8da0082bea9e8b9c43df917acd67a680cd1.
ATTACHMENT ID: 12695872
{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 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated
23 warning messages.
{color:green}+1 checkstyle{color}. The applied patch does not increase the
total number of checkstyle errors
{color:red}-1 findbugs{color}. The patch appears to introduce 5 new
Findbugs (version 2.0.3) warnings.
{color:red}-1 release audit{color}. The applied patch generated 42 release
audit warnings (more than the master's current 0 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/12666//testReport/
Release audit warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/patchReleaseAuditWarnings.txt
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/checkstyle-aggregate.html
Javadoc warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//artifact/patchprocess/patchJavadocWarnings.txt
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/12666//console
This message is automatically generated.
> Seek with prefixtree may hang
> -----------------------------
>
> Key: HBASE-12952
> URL: https://issues.apache.org/jira/browse/HBASE-12952
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 1.0.0, 0.98.7, 0.98.8, 0.98.6.1, 0.98.9, 0.98.10
> Reporter: sinfox
> Fix For: 0.98.6.1
>
> Attachments: hbase_0.98.6.1.patch
>
>
> I have upgraded my hbase cluster from hbase-0.96 to hbase-0.98.6.1,then i
> found some compaction hang on many regionserver, and the cpu costed100%.
> It looks like there is an infinite loop somewhere.
> From the log, i found StoreFileScanner.java : reseekAtOrAfter(HFileScanner s,
> KeyValue k) enterd an infinite loop.
> Read source code, I found en error on PrefixTreeArrayReversibleScanner.java :
> previousRowInternal()
> eg:
> A:fan:12, numCell:1
> A : 1 -> B
> A : 2 -> C
>
> C: 3 -> D
> C: 4 -> E
>
> A: fan:12, numCell:1
> B: fan,numCell:1
> C: fan:34,numCell: 0
> D: fan,numCell:1
> E: fan,numCell:1
> when currentNode is D, its previous node is B , but this function will return
> A.
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