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https://issues.apache.org/jira/browse/HBASE-20363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16429687#comment-16429687
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Hadoop QA commented on HBASE-20363:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  4s{color} 
| {color:red} HBASE-20363 does not apply to master. Rebase required? Wrong 
Branch? See https://yetus.apache.org/documentation/0.7.0/precommit-patchnames 
for help. {color} |
\\
\\
|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-20363 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12917974/HBASE-20363.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12341/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> TestNamespaceAuditor.testRegionMerge is flaky
> ---------------------------------------------
>
>                 Key: HBASE-20363
>                 URL: https://issues.apache.org/jira/browse/HBASE-20363
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 2.0.0
>
>         Attachments: HBASE-20363.patch
>
>
> I think it is easy to find out the problem. We haven't done a compaction 
> after merging and then try to split the region. The split will fail because 
> of there are still reference files.
> https://builds.apache.org/job/HBASE-Flaky-Tests/28972/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.namespace.TestNamespaceAuditor-output.txt
> {noformat}
> 2018-04-08 05:29:49,742 INFO  
> [RpcServer.default.FPBQ.Fifo.handler=4,queue=0,port=43056] 
> master.HMaster$2(1644): Client=jenkins//67.195.81.155 split 
> TestNamespaceAuditor_regiontest:table2,,1523165387443.c6dd29ca77051607ab50a1edfa5f076f.
> 2018-04-08 05:29:49,745 DEBUG 
> [RpcServer.priority.FPBQ.Fifo.handler=1,queue=0,port=38141] 
> regionserver.HRegion(1360): Region 
> TestNamespaceAuditor_regiontest:table2,,1523165387443.c6dd29ca77051607ab50a1edfa5f076f.
>  is not mergeable because it has references
> 2018-04-08 05:29:49,746 DEBUG 
> [RpcServer.default.FPBQ.Fifo.handler=4,queue=0,port=43056] 
> assignment.SplitTableRegionProcedure(174): Splittable=false rit=OPEN, 
> location=asf911.gq1.ygridcore.net,38141,1523165245520
> 2018-04-08 05:29:49,747 DEBUG 
> [RpcServer.default.FPBQ.Fifo.handler=4,queue=0,port=43056] 
> ipc.CallRunner(142): callId: 1092 service: MasterService methodName: 
> SplitRegion size: 113 connection: 67.195.81.155:58584 deadline: 
> 1523165449742, exception=org.apache.hadoop.hbase.DoNotRetryIOException: 
> c6dd29ca77051607ab50a1edfa5f076f NOT splittable
> 2018-04-08 05:29:49,752 INFO  [Time-limited test] client.HBaseAdmin$15(907): 
> Started disable of TestNames
> {noformat}



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