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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6304) Specifying node labels when submitting MR jobs
Date Fri, 10 Apr 2015 18:58:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490124#comment-14490124

Naganarasimha G R commented on MAPREDUCE-6304:

Hi [~wangda], As {{global-am-resource-request}} can have some caveats which you mention, what
if we can have {{yarn.scheduler.capacity.\{queue_path\}.default-am-node-label-expression}}
which we can ensure while loading if the labels configured for the queue path exists or not.
 Or in much more generic way, can we have some {{ContainerPlacementPolicy}} interface \@ CS
which needs to provide which queue and label to be used for a given container, user &
group ?

> Specifying node labels when submitting MR jobs
> ----------------------------------------------
>                 Key: MAPREDUCE-6304
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6304
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Jian Fang
>            Assignee: Naganarasimha G R
>             Fix For: 2.8.0
>         Attachments: MAPREDUCE-6304.20150410-1.patch
> Per the discussion on YARN-796, we need a mechanism in MAPREDUCE to specify node labels
when submitting MR jobs.

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