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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9948) HMaster should handle duplicate log split requests
Date Wed, 08 Jan 2014 21:28:50 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13865910#comment-13865910
] 

Hadoop QA commented on HBASE-9948:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12622017/HBASE-9948-v2.patch
  against trunk revision .
  ATTACHMENT ID: 12622017

    {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 hadoop1.1{color}.  The patch compiles against the hadoop 1.1 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:red}-1 release audit{color}.  The applied patch generated 4 release audit warnings
(more than the trunk's current 0 warnings).

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

    {color:red}-1 site{color}.  The patch appears to cause mvn site goal to fail.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/8367//console

This message is automatically generated.

> HMaster should handle duplicate log split requests
> --------------------------------------------------
>
>                 Key: HBASE-9948
>                 URL: https://issues.apache.org/jira/browse/HBASE-9948
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Gustavo Anatoly
>         Attachments: HBASE-9948-v2.patch, HBASE-9948.patch, runtest.sh
>
>
> I saw the following in test output for TestRestartCluster:
> {code}
> 2013-11-11 19:59:55,538 DEBUG [M:0;kiyo:36213] master.SplitLogManager(327): Scheduling
batch of logs to split
> 2013-11-11 19:59:55,538 INFO  [M:0;kiyo:36213] master.SplitLogManager(329): started splitting
1 logs in [hdfs://localhost:46376/user/hortonzy/hbase/WALs/kk,44962,1384199990193-splitting]
> 2013-11-11 19:59:55,538 WARN  [M:0;kiyo:36213] master.SplitLogManager(1048): Failure
because two threads can't wait for the same task; path=/hbase/splitWAL/WALs%2Fkk%2C44962%2C1384199990193-splitting%2Fkk%252C44962%252C1384199990193.1384199993702.meta
> 2013-11-11 19:59:55,538 FATAL [M:0;kiyo:36213] master.HMaster(2188): Master server abort:
loaded coprocessors are: [org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint]
> 2013-11-11 19:59:55,538 FATAL [M:0;kiyo:36213] master.HMaster(2193): Unhandled exception.
Starting shutdown.
> java.io.IOException: duplicate log split scheduled for hdfs://localhost:46376/user/hortonzy/hbase/WALs/kk,44962,1384199990193-splitting/kk%2C44962%2C1384199990193.1384199993702.meta
>         at org.apache.hadoop.hbase.master.SplitLogManager.splitLogDistributed(SplitLogManager.java:343)
>         at org.apache.hadoop.hbase.master.MasterFileSystem.splitLog(MasterFileSystem.java:409)
>         at org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:301)
>         at org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:292)
>         at org.apache.hadoop.hbase.master.HMaster.assignMeta(HMaster.java:1038)
>         at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:868)
>         at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:605)
>         at java.lang.Thread.run(Thread.java:724)
> 2013-11-11 19:59:55,539 INFO  [M:0;kiyo:36213] master.HMaster(2386): Aborting
> 2013-11-11 19:59:55,539 DEBUG [M:0;kiyo:36213] master.HMaster(1234): Stopping service
threads
> {code}
> HMaster should handle duplicate log split requests, instead of aborting.



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