lkml.org 
[lkml]   [2009]   [Mar]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [RFC PATCH 00/19] Cleanup and optimise the page allocator V2
    From
    Date
    On Wed, 2009-03-04 at 10:05 +0800, Zhang, Yanmin wrote:
    > FAIR_GROUP_SCHED is a feature to support configurable cpu weight for different users.
    > We did find it takes lots of time to check/update the share weight which might create
    > lots of cache ping-pang. With sysbench(oltp)+mysql, that becomes more severe because
    > mysql runs as user mysql and sysbench runs as another regular user. When starting
    > the testing with 1 thread in command line, there are 2 mysql threads and 1 sysbench
    > thread are proactive.

    cgroup based group scheduling doesn't bother with users. So unless you
    create sched-cgroups your should all be in the same (root) group.



    \
     
     \ /
      Last update: 2009-03-04 08:27    [W:4.305 / U:0.484 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site