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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6304) Specifying node labels when submitting MR jobs
Date Fri, 01 May 2015 04:01:07 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Naganarasimha G R updated MAPREDUCE-6304:
    Attachment: MAPREDUCE-6304.20150501-1.patch

Hi [~wangda], have incorporated changes for {{add mapper/reducer node-label-expression}} also
incorported limitations set by YARN-2694(Ensure only single node label specified in ResourceRequest)
which limits labels to be supported on only "ANY" ResourceRequests. 
But one query what i have is : Isnt it a serious limitation if labels are supported for only
ANY resource requests?

> 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, MAPREDUCE-6304.20150411-1.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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