Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [PATCH] sched: Fix adverse effects of NFS client on interactive response | Date | Wed, 4 Jan 2006 23:18:01 +1100 |
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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.
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