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https://issues.apache.org/jira/browse/YARN-3712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15611039#comment-15611039
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Hadoop QA commented on YARN-3712:
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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} YARN-3712 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 | YARN-3712 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12735262/YARN-3712.02.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/13541/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> ContainersLauncher: handle event CLEANUP_CONTAINER asynchronously
> -----------------------------------------------------------------
>
>                 Key: YARN-3712
>                 URL: https://issues.apache.org/jira/browse/YARN-3712
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: Jun Gong
>            Assignee: Jun Gong
>            Priority: Minor
>         Attachments: YARN-3712.01.patch, YARN-3712.02.patch
>
>
> It will save some time by handling event CLEANUP_CONTAINER asynchronously. 
> This improvement will be useful for cases that cleaning up container cost a 
> little long time(e.g. for our case: we are running Docker container on NM, it 
> will take above 1 seconds to clean up one docker container.  ) and many 
> containers to clean up(e.g. NM need clean up all running containers when NM 
> shutdown). 



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