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https://issues.apache.org/jira/browse/MAPREDUCE-6765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15471227#comment-15471227
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Daniel Templeton commented on MAPREDUCE-6765:
---------------------------------------------
I share Djikstra's dislike of multiple exit points from a function, especially
in this case where the code is explicitly structured as a series of
conditionals to avoid having multiple exit points. In both cases, could you
please put the subsequent few lines of code in an _else_ instead of adding the
returns?
> MR should not schedule container requests in cases where reducer or mapper
> containers demand resource larger than the maximum supported
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6765
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6765
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am
> Affects Versions: 2.7.2
> Reporter: Haibo Chen
> Assignee: Haibo Chen
> Priority: Minor
> Fix For: 2.9.0
>
> Attachments: mapreduce6765.001.patch
>
>
> When mapper or reducer containers request resource larger than the
> maxResourceRequest in the cluster, job is to be killed. In such cases, it is
> unnecessary to still schedule container requests.
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