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From "Hitesh Sharma (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5292) Support for PAUSED container state
Date Fri, 02 Dec 2016 03:21:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713883#comment-15713883
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Hitesh Sharma edited comment on YARN-5292 at 12/2/16 3:21 AM:
--------------------------------------------------------------

[~asuresh]], can you please look at the attached patch? Thanks!


was (Author: hrsharma):
[~arun suresh], can you please look at the attached patch? Thanks!

> Support for PAUSED container state
> ----------------------------------
>
>                 Key: YARN-5292
>                 URL: https://issues.apache.org/jira/browse/YARN-5292
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Hitesh Sharma
>            Assignee: Hitesh Sharma
>         Attachments: YARN-5292.001.patch, YARN-5292.002.patch, YARN-5292.003.patch, YARN-5292.004.patch,
yarn-5292.pdf
>
>
> YARN-2877 introduced OPPORTUNISTIC containers, and YARN-5216 proposes to add capability
to customize how OPPORTUNISTIC containers get preempted.
> In this JIRA we propose introducing a PAUSED container state.
> When a running container gets preempted, it enters the PAUSED state, where it remains
until resources get freed up on the node then the preempted container can resume to the running
state.
>  
> One scenario where this capability is useful is work preservation. How preemption is
done, and whether the container supports it, is implementation specific.
> For instance, if the container is a virtual machine, then preempt would pause the VM
and resume would restore it back to the running state.
> If the container doesn't support preemption, then preempt would default to killing the
container. 
>  



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