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https://issues.apache.org/jira/browse/MAPREDUCE-7227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16897705#comment-16897705
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Hadoop QA commented on MAPREDUCE-7227:
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| (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  5s{color} 
| {color:red} MAPREDUCE-7227 does not apply to trunk. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | MAPREDUCE-7227 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12976380/HADOOP-MAPREDUCE-7227.001.patch
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| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7638/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


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> Repair job staging directory residual problem in a big yarn cluster composed 
> of multiple independent hdfs clusters
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7227
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7227
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster, mrv2
>    Affects Versions: 2.6.0, 2.7.0, 3.1.2
>            Reporter: Yuan LUO
>            Priority: Major
>             Fix For: 3.1.2
>
>         Attachments: HADOOP-MAPREDUCE-7227.001.patch
>
>
> Our yarn cluster is made up of some independent hdfs cluster, the 
> 'default.FS' in every hdfs cluster is different.when user submit job to yarn 
> cluster,if the 'default.FS'  between client and nodemanager  is 
> inconsistent,then the job staging dir can't be cleanup by AppMaster. Because 
> it will produce two job staging dir in our conditions by client and 
> appmaster. So we can modify AppMaster  through  client's ‘default.FS’ to 
> create job staging dir.



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