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https://issues.apache.org/jira/browse/YARN-407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581534#comment-13581534
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Zhijie Shen commented on YARN-407:
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@Hitesh, I've quickly gone through your patch for YARN-193. I agree the issue
is duplicate. Let's close it.
> The requested AM memory is not checked against the maximum resource capacity
> in ResourceMgrDelegate and MRAppMaster
> -------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-407
> URL: https://issues.apache.org/jira/browse/YARN-407
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
>
> For the MR jobs, the requested AM memory is at the risk of being larger than
> the maximum resource capacity. It is because the logic to check the requested
> AM memory against the maximum resource capacity is missing in
> ResourceMgrDelegate and MRAppMaster. In contrast, this logic exists in Client
> and ApplicationMaster of the distributed shell.
> Another potential risk is that the requested AM memory is likely to be
> rounded up when being normalized, therefore the after-normalization AM memory
> can be larger than the maximum resource capacity as well.
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