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https://issues.apache.org/jira/browse/YARN-3161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14313091#comment-14313091
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Vinod Kumar Vavilapalli commented on YARN-3161:
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Agreed, I propose we close this as a duplicate.
> Containers' information are lost in some cases when RM restart
> --------------------------------------------------------------
>
> Key: YARN-3161
> URL: https://issues.apache.org/jira/browse/YARN-3161
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.6.0
> Reporter: Jun Gong
>
> When RM restart, containers' information will be lost for the following
> scenarios:
> 1. NM restarts before it sends containers' information to the new active RM.
> 2. NM stops and it could not send containers' information to the new active
> RM.
> Without those containers' information, corresponding AM will never get their
> status through RM, and AM would just wait them for ever.
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