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https://issues.apache.org/jira/browse/MAPREDUCE-4351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413383#comment-13413383
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Arun C Murthy commented on MAPREDUCE-4351:
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It seems like we have a couple of things we need to support:
a) Ability for NM to monitor containers for resource usage (e.g. a container
might use only 1G even if it was allocated 2G etc.).
b) Ability for NM to enforce the resource limits.
Thus, it might be better for this to be called ContainerResourceEnforcer or
some such? We'd like ContainerMonitor to merely monitor containers.
> Make ContainersMonitor pluggable
> --------------------------------
>
> Key: MAPREDUCE-4351
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4351
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2, nodemanager
> Reporter: Andrew Ferguson
> Assignee: Andrew Ferguson
> Attachments: MAPREDUCE-4351-v1.patch, MAPREDUCE-4351-v2.patch,
> MAPREDUCE-4351-v3.patch, MAPREDUCE-4351-v4.patch, MAPREDUCE-4351-v4.patch,
> MAPREDUCE-4351-v5.patch, MAPREDUCE-4351-v5.patch, MAPREDUCE-4351-v6.patch
>
>
> Make the existing ContainersManager pluggable, just as the ContainerExecutor
> is currently. This will allow us to add container resource enforcement using
> other techniques (such as cgroups) in an extensible fashion.
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