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From "Sujeet Varakhedi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2882) Introducing container types
Date Fri, 21 Nov 2014 18:46:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14221232#comment-14221232
] 

Sujeet Varakhedi commented on YARN-2882:
----------------------------------------

Is preemption idea only within the scope of an application? Can a guaranteed-start task result
in preemption queued task of another application? 

> Introducing container types
> ---------------------------
>
>                 Key: YARN-2882
>                 URL: https://issues.apache.org/jira/browse/YARN-2882
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Konstantinos Karanasos
>
> This JIRA introduces the notion of container types.
> We propose two initial types of containers: guaranteed-start and queueable containers.
> Guaranteed-start are the existing containers, which are allocated by the central RM and
are instantaneously started, once allocated.
> Queueable is a new type of container, which allows containers to be queued in the NM,
thus their execution may be arbitrarily delayed.



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