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From "Andrew Ferguson (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4334) Add support for CPU isolation/monitoring of containers
Date Tue, 24 Jul 2012 00:54:36 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Ferguson updated MAPREDUCE-4334:
---------------------------------------

    Attachment: MAPREDUCE-4334-executor-v1.patch

hello everyone,

in this new version of the patch, the cgroups are established before the task is launched.
then, updated versions of the LinuxContainerExecutor and DefaultContainerExector move the
task into the cgroup.

in this patch, the only cgroup which is used is one for CPU sharing.

this patch does not have any other dependencies.

thank you,
Andrew
                
> 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-executor-v1.patch, MAPREDUCE-4334-pre1.patch, MAPREDUCE-4334-pre2-with_cpu.patch,
MAPREDUCE-4334-pre2.patch, MAPREDUCE-4334-pre3-with_cpu.patch, MAPREDUCE-4334-pre3.patch,
MAPREDUCE-4334-v1.patch, MAPREDUCE-4334-v2.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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