Re: Heavy I/O blocks FreeBSD box for several seconds

On Wed, Jul 6, 2011 at 3:37 PM, Andriy Gapon <avg@freebsd.org> wrote:

> Just curious what your current value of sysctl kern.sched.preempt_thresh
> is.
> And if it's not 224 and if you haven't tried 224 yet, then could you please
> try
> it and see if there is any improvement?
>
> This assumes that you use SCHED_ULE (kern.sched.name is "ULE").
>
> --
> Andriy Gapon
>

Whoa, it's definitely better! Thanks a lot. But still, when IO causes system
to use swap, X11 became completely unusable.
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