well.. my server got a lower load when enabling hz=1000.. not much but
still lower.. hmm.. perhaps 1-2% lower...

/Bjorn

On Sun, 8 Jun 2003, Oscar N aka Dreadful wrote:

> lower??? are you sure? our servers used slightly more CPU with
> HZ=1000, not that much but still not lower :)
>
> /Oscar, www.bhood.nu
>
> On Sun, 8 Jun 2003 02:26:25 +0200 (CEST)
> kama <[EMAIL PROTECTED]> wrote:
>
> > On Fri, 6 Jun 2003, Bart wrote:
> >
> > > I've just installed FreeBSD 5.0 on a SMP-system,
> > > and I'm running several CS-servers on it.
> > >
> > > My question is:
> > >
> > > Does the HZ=1000 (or another HZ-option above 100) increase or
> > > decrease the CPU-usage. The kernel is now compiled with
> > > the standard HZ. The problems isn't the latency (that's low enough),
> > > but the question is: what happens according to the CPU-usage?
> >
> > It will lower the cpu usage slightly.. but the main benefit is that you
> > can run the server higher than 50fps..
> >
> > btw, the hz value is changable through sysctl under FBSD 5.0...
> >
> > /Bjorn
> >
> > --
> > Favourite Comment:
> > Programming is an art form that fights back.
> >
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--

...things make for a much more comfortable system. They should also reduce downtime, 
not that many FreeBSD admins know what downtime is.

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