lkml.org 
[lkml]   [2003]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Scaling noise
    > multi node yes, numa not much and where numa-like systems are being used
    > they are being used for message passing not as a fake big pc.
    >
    > Numa is valuable because
    > - It makes some things go faster without having to rewrite them
    > - It lets you partition a large box into several effective small ones
    > cutting maintenance
    > - It lets you partition a large box into several effective small ones
    > so you can avoid buying two software licenses for expensive toys
    >
    > if you actually care enough about performance to write the code to do
    > the job then its value is rather questionable. There are exceptions as
    > with anything else.

    The real core use of NUMA is to run one really big app on one machine,
    where it's hard to split it across a cluster. You just can't build an
    SMP box big enough for some of these things.

    M.

    -
    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: 2005-03-22 13:48    [W:0.020 / U:5.564 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site