lkml.org 
[lkml]   [2006]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory)
    From
    Date
    On Tue, 2006-09-12 at 17:02 -0700, Chandra Seetharaman wrote:
    > On Tue, 2006-09-12 at 10:22 -0700, Rohit Seth wrote:
    > > On Tue, 2006-09-12 at 16:14 +0530, Srivatsa Vaddagiri wrote:
    > > > On Mon, Sep 11, 2006 at 12:10:31PM -0700, Rohit Seth wrote:
    > > > > It seems that a single notion of limit should suffice, and that limit
    > > > > should more be treated as something beyond which that resource
    > > > > consumption in the container will be throttled/not_allowed.
    > > >
    > > > The big question is : are containers/RG allowed to use *upto* their
    > > > limit always? In other words, will you typically setup limits such that
    > > > sum of all limits = max resource capacity?
    > > >
    > >
    > > If a user is really interested in ensuring that all scheduled jobs (or
    > > containers) get what they have asked for (guarantees) then making the
    > > sum of all container limits equal to total system limit is the right
    > > thing to do.
    > >
    > > > If it is setup like that, then what you are considering as limit is
    > > > actually guar no?
    > > >
    > > Right. And if we do it like this then it is up to sysadmin to configure
    > > the thing right without adding additional logic in kernel.
    >
    > It won't be a complete solution, as the user won't be able to
    > - set both guarantee and limit for a resource group
    > - use limit on some and guarantee on some
    > - optimize the usage of available resources

    I think, if we have some of the dynamic resource limit adjustments
    possible then some of the above functionality could be achieved. And I
    think that could be a good start point.

    -rohit

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-09-13 02:47    [W:3.577 / U:0.304 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site