Messages in this thread | | | Date | Wed, 4 Jan 2006 08:31:16 -0200 | From | Marcelo Tosatti <> | Subject | Re: [PATCH] sched: Fix adverse effects of NFS client on interactive response |
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On Wed, Jan 04, 2006 at 11:18:01PM +1100, Con Kolivas wrote: > On Wednesday 04 January 2006 20:40, Marcelo Tosatti wrote: > > We suspected that the TASK_INTERACTIVE() logic in kernel/sched.c would > > be moving some processes directly to the active list, thus starving some > > others. So we set the nice value of all 48 processes to "nice +19" to > > disable TASK_INTERACTIVE() and the starvation is gone. However with +19 > > it becomes impossible to use the box interactively while the test runs, > > which is the case with the default "0" nice value. > > > > Are there significant changes between v2.6.11 -> v2.6.14 aimed at fixing > > this problem? > > The SCHED_BATCH policy Ingo has implemented should help just such a problem.
Yeap, he sent me the patch (which I promised to test), but still haven't.
Will do ASAP.
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