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From "Pradeep Subrahmanion (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1565) Add a way for YARN clients to get critical YARN system properties from the RM
Date Fri, 23 Oct 2015 14:38:28 GMT

    [ 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:
--------------------------------------------

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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