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https://issues.apache.org/jira/browse/YARN-6504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159066#comment-16159066
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Daniel Templeton commented on YARN-6504:
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Looks like there's an issue here. The profile capability has the idea of an
override capability built in, but from the MR side, there will *always* be an
override capability for map and reduce tasks on CPU. That means that as
currently constructed, the CPU and memory of the profile will always be
overridden. That makes sense in the case that the memory and CPU were
explicitly specified, but even in the case the case where memory and CPU were
not specified, the MR defaults (1024MB and 1 vcore) will be treated as an
override. That's counterintuitive and should be addressed.
> Add support for resource profiles in MapReduce
> ----------------------------------------------
>
> Key: YARN-6504
> URL: https://issues.apache.org/jira/browse/YARN-6504
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Varun Vasudev
> Assignee: Varun Vasudev
> Attachments: YARN-6504-YARN-3926.001.patch,
> YARN-6504.YARN-3926.002.patch
>
>
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