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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1014) Configure OOM Killer to kill OPPORTUNISTIC containers first
Date Wed, 30 Dec 2015 19:16:49 GMT

    [ https://issues.apache.org/jira/browse/YARN-1014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15075329#comment-15075329

Arun Suresh commented on YARN-1014:

Thanks for taking this up [~kasha]..

Id think this would be generally useful in trunk, but w.r.t YARN-2877, We were actually planning
on getting the ContainersMonitor to kill/preempt opportunistic containers. This way, we can
probably have more control over which containers are to be killed.

[~kkaranasos], thoughts ?

> Configure OOM Killer to kill OPPORTUNISTIC containers first
> -----------------------------------------------------------
>                 Key: YARN-1014
>                 URL: https://issues.apache.org/jira/browse/YARN-1014
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 3.0.0
>            Reporter: Arun C Murthy
>            Assignee: Karthik Kambatla
> YARN-2882 introduces the notion of OPPORTUNISTIC containers. These containers should
be killed first should the system run out of memory. 
> -----
> Previous description:
> Once RM allocates 'speculative containers' we need to get LCE to schedule them at lower
priorities via cgroups.

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