Re: [PATCH] sched: Fix adverse effects of NFS client on interactive response

[Con Kolivas]

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.

Con
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