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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4335) Allow ResourceRequests to specify ExecutionType of a request ask
Date Thu, 07 Jan 2016 21:02:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-4335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15088101#comment-15088101
] 

Wangda Tan commented on YARN-4335:
----------------------------------

+1 to latest patch, thanks [~kkaranasos]!

> Allow ResourceRequests to specify ExecutionType of a request ask
> ----------------------------------------------------------------
>
>                 Key: YARN-4335
>                 URL: https://issues.apache.org/jira/browse/YARN-4335
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Konstantinos Karanasos
>            Assignee: Konstantinos Karanasos
>         Attachments: YARN-4335-yarn-2877.001.patch, YARN-4335.002.patch, YARN-4335.003.patch
>
>
> YARN-2882 introduced container types that are internal (not user-facing) and are used
by the ContainerManager during execution at the NM.
> With this JIRA we are introducing (user-facing) resource request types that are used
by the AM to specify the type of the ResourceRequest.
> We will initially support two resource request types: CONSERVATIVE and OPTIMISTIC.
> CONSERVATIVE resource requests will be handed internally to containers of GUARANTEED
type, whereas OPTIMISTIC resource requests will be handed to QUEUEABLE containers.



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