Date: Fri, 9 Jul 2004 20:06:57 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Kirk Strauser <kirk@strauser.com> Cc: freebsd-current@freebsd.org Subject: Re: default HZ value in 5.2.1 Message-ID: <20040709180656.GB35892@cicely12.cicely.de> In-Reply-To: <200407091231.29346.kirk@strauser.com> References: <014701c465ce$4e6a8a90$037ba8c0@gnome.co.uk> <200407091231.29346.kirk@strauser.com>
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On Fri, Jul 09, 2004 at 12:31:29PM -0500, Kirk Strauser wrote: > On Friday 2004-07-09 11:03 am, Chris Stenton wrote: > > > Any reason why the default value for HZ is still set at 100? Would not > > 1000 be better for finer granularity? The default on i386 is 100 - this is not the case on alpha. > Setting HZ=1000 absolutely destroyed my Alpha's throughput: 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? -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de
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