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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6703) Add flag to allow MapReduce AM to request for OPPORTUNISTIC containers
Date Tue, 24 May 2016 18:15:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15298653#comment-15298653
] 

Jian He commented on MAPREDUCE-6703:
------------------------------------

lgtm, I can commit later today if no comments from others.

> Add flag to allow MapReduce AM to request for OPPORTUNISTIC containers
> ----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6703
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6703
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>         Attachments: MAPREDUCE-6703.001.patch, MAPREDUCE-6703.002.patch, MAPREDUCE-6703.003.patch
>
>
> YARN-2882 and YARN-4335 introduces the concept of container ExecutionTypes and specifically
OPPORTUNISTIC containers.
> The default ExecutionType is GUARANTEED. This JIRA proposes to allow users to provide
hints via config to the MR framework as to the number of containers it would like to schedule
as OPPORTUNISTIC.



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