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https://issues.apache.org/jira/browse/MAPREDUCE-4334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413438#comment-13413438
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Arun C Murthy commented on MAPREDUCE-4334:
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Andrew, thanks, I missed that comment.
I'm concerned asking admins to setup croups etc. via cgcreate prior to
deploying Hadoop clusters etc., particularly on all nodes, is almost a
non-starter.
Preventing such onerous requirements on cluster setup is a key goal - something
which initially led to creation of LinuxTaskController etc.
I'd strongly urge we implement this functionality via LinuxContainerExecutor -
there-by allowing us to write low-level platform specific code (RHEL5 v/s RHEL6
etc.) in a single place and not rely on tedious Java code for the same.
Thoughts?
> Add support for CPU isolation/monitoring of containers
> ------------------------------------------------------
>
> Key: MAPREDUCE-4334
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4334
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Reporter: Arun C Murthy
> Assignee: Andrew Ferguson
> Attachments: MAPREDUCE-4334-pre1.patch,
> MAPREDUCE-4334-pre2-with_cpu.patch, MAPREDUCE-4334-pre2.patch,
> MAPREDUCE-4334-pre3-with_cpu.patch, MAPREDUCE-4334-pre3.patch
>
>
> Once we get in MAPREDUCE-4327, it will be important to actually enforce
> limits on CPU consumption of containers.
> Several options spring to mind:
> # taskset (RHEL5+)
> # cgroups (RHEL6+)
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