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https://issues.apache.org/jira/browse/YARN-389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13574755#comment-13574755
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Vinod Kumar Vavilapalli commented on YARN-389:
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Zhijie, what is your setting for yarn.scheduler.maximum-allocation-mb? That is 
the configs that should reject allocations that aren't satisfiable.

In either case, there should be infinite assignments, can you investigate? 
Thanks!
                
> Infinitely assigning containers when the required resource exceeds the 
> cluster's absolute capacity
> --------------------------------------------------------------------------------------------------
>
>                 Key: YARN-389
>                 URL: https://issues.apache.org/jira/browse/YARN-389
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>
> I've run wordcount example on branch-2 and trunk. I've set 
> yarn.nodemanager.resource.memory-mb to 1G and 
> yarn.app.mapreduce.am.resource.mb to 1.5G. Therefore, resourcemanager is to 
> assign a 2G AM container for AM. However, the nodemanager doesn't have enough 
> memory to assign the container. The problem is that the assignment operation 
> will be repeated infinitely, if the assignment cannot be accomplished. Logs 
> follow.

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