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https://issues.apache.org/jira/browse/YARN-180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13482591#comment-13482591
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Robert Joseph Evans commented on YARN-180:
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Oh I noticed that the containerToken is never assigned anyways. I will fix
that too.
> Capacity scheduler - containers that get reserved create container token to
> early
> ---------------------------------------------------------------------------------
>
> Key: YARN-180
> URL: https://issues.apache.org/jira/browse/YARN-180
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 0.23.3
> Reporter: Thomas Graves
> Assignee: Arun C Murthy
> Priority: Critical
> Fix For: 2.0.3-alpha, 0.23.5
>
> Attachments: YARN-180.patch, YARN-180.patch
>
>
> The capacity scheduler has the ability to 'reserve' containers.
> Unfortunately before it decides that it goes to reserved rather then
> assigned, the Container object is created which creates a container token
> that expires in roughly 10 minutes by default.
> This means that by the time the NM frees up enough space on that node for the
> container to move to assigned the container token may have expired.
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