Date: Fri, 9 Jul 2004 13:51:12 -0500 From: Kirk Strauser <kirk@strauser.com> To: ticso@cicely.de Cc: freebsd-current@freebsd.org Subject: Re: default HZ value in 5.2.1 Message-ID: <200407091351.12528.kirk@strauser.com> In-Reply-To: <20040709180656.GB35892@cicely12.cicely.de> References: <014701c465ce$4e6a8a90$037ba8c0@gnome.co.uk> <200407091231.29346.kirk@strauser.com> <20040709180656.GB35892@cicely12.cicely.de>
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On Friday 2004-07-09 01:06 pm, Bernd Walter wrote: > As long as I can remember alphas default to > 1000. E.g. some are doing > 1200 and other 1024 depending on the platform. AFAIK there are reasons > not be exactly 1000. Why do you need 1000 instead of the system default? I didn't and still don't, but didn't know that at the time I configured my system that way. I was following some of the (x86-centric) instructions for polling my fxp NICs and noticed a tremendous performance degradation, and that's when I learned that setting HZ=1000 on my particular Alpha is a Bad Thing. -- Kirk Strauser
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