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Posted to issues@mesos.apache.org by "Joris Van Remoortere (JIRA)" <ji...@apache.org> on 2015/05/20 19:54:05 UTC

[jira] [Issue Comment Deleted] (MESOS-2652) Update Mesos containerizer to understand revocable cpu resources

     [ https://issues.apache.org/jira/browse/MESOS-2652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joris Van Remoortere updated MESOS-2652:
----------------------------------------
    Comment: was deleted

(was: Review for setting core affinity:
https://reviews.apache.org/r/34442

Will base the SCHED_OTHER over SCHED_IDLE pre-emption test on this.)

> Update Mesos containerizer to understand revocable cpu resources
> ----------------------------------------------------------------
>
>                 Key: MESOS-2652
>                 URL: https://issues.apache.org/jira/browse/MESOS-2652
>             Project: Mesos
>          Issue Type: Task
>            Reporter: Vinod Kone
>            Assignee: Ian Downes
>              Labels: twitter
>
> The CPU isolator needs to properly set limits for revocable and non-revocable containers.
> The proposed strategy is to use a two-way split of the cpu cgroup hierarchy -- normal (non-revocable) and low priority (revocable) subtrees -- and to use a biased split of CFS cpu.shares across the subtrees, e.g., a 20:1 split (TBD). Containers would be present in only one of the subtrees. CFS quotas will *not* be set on subtree roots, only cpu.shares. Each container would set CFS quota and shares as done currently.



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