Date: Wed, 6 Jul 2011 16:35:47 +0400 From: arrowdodger <6yearold@gmail.com> To: Andriy Gapon <avg@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org>, "O. Hartmann" <ohartman@zedat.fu-berlin.de> Subject: Re: Heavy I/O blocks FreeBSD box for several seconds Message-ID: <CALH631kYhFHQycgVtgnnezCz-SU4d2GfqApDtc_RSb5D%2B9AaSA@mail.gmail.com> In-Reply-To: <4E144913.3060503@FreeBSD.org> References: <4E1421D9.7080808@zedat.fu-berlin.de> <CALH631=F4bSgNDE4w0qcXGMgGxZRRwCP9n-H4M0c%2B1UEaqWr7Q@mail.gmail.com> <4E144913.3060503@FreeBSD.org>
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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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