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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 Mon, 09 Jul 2012 23:33:35 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-pre3.patch

This is a small edit to the previous patch. It now writes the process ID to "cgroup.procs"
instead of "tasks" so other kernel threads started by the same process stay in the cgroup.
                
> 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.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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