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https://issues.apache.org/jira/browse/YARN-4862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15341546#comment-15341546
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Hadoop QA commented on YARN-4862:
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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 4s {color} 
| {color:red} YARN-4862 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 Patch URL | 
https://issues.apache.org/jira/secure/attachment/12798459/0002-YARN-4862.patch |
| JIRA Issue | YARN-4862 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/12089/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


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> Handle duplicate completed containers in RMNodeImpl
> ---------------------------------------------------
>
>                 Key: YARN-4862
>                 URL: https://issues.apache.org/jira/browse/YARN-4862
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Rohith Sharma K S
>            Assignee: Rohith Sharma K S
>         Attachments: 0001-YARN-4862.patch, 0002-YARN-4862.patch
>
>
> As per 
> [comment|https://issues.apache.org/jira/browse/YARN-4852?focusedCommentId=15209689&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15209689]
>  from [~sharadag], there should be safe guard for duplicated container status 
> in RMNodeImpl before creating UpdatedContainerInfo. 
> Or else in heavily loaded cluster where event processing is gradually slow, 
> if any duplicated container are sent to RM(may be bug in NM also), there is 
> significant impact that RMNodImpl always create UpdatedContainerInfo for 
> duplicated containers. This result in increase in the heap memory and causes 
> problem like YARN-4852.
> This is an optimization for issue kind YARN-4852



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