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https://issues.apache.org/jira/browse/YARN-1565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14971085#comment-14971085
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Pradeep Subrahmanion commented on YARN-1565:
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Thank you for your review comments. I will update the patch with documentation.
> Add a way for YARN clients to get critical YARN system properties from the RM
> -----------------------------------------------------------------------------
>
> Key: YARN-1565
> URL: https://issues.apache.org/jira/browse/YARN-1565
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 2.2.0
> Reporter: Steve Loughran
> Attachments: YARN-1565-001.patch, YARN-1565-002.patch,
> YARN-1565-003.patch
>
>
> If you are trying to build up an AM request, you need to know
> # the limits of memory, core &c for the chosen queue
> # the existing YARN classpath
> # the path separator for the target platform (so your classpath comes out
> right)
> # cluster OS: in case you need some OS-specific changes
> The classpath can be in yarn-site.xml, but a remote client may not have that.
> The site-xml file doesn't list Queue resource limits, cluster OS or the path
> separator.
> A way to query the RM for these values would make it easier for YARN clients
> to build up AM submissions with less guesswork and client-side config.
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