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https://issues.apache.org/jira/browse/YARN-1014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15075733#comment-15075733
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Karthik Kambatla commented on YARN-1014:
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bq. We were actually planning on getting the ContainersMonitor to kill/preempt
opportunistic containers.
Right. Same goes for YARN-1011 as well. This (configuring OOM Killer priority)
is to address those cases where the reactive monitoring is too late to save
processes from getting killed by the OOM Killer.
> 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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