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Date:      Fri, 9 Jul 2004 12:31:29 -0500
From:      Kirk Strauser <kirk@strauser.com>
To:        freebsd-current@freebsd.org
Subject:   Re: default HZ value in 5.2.1
Message-ID:  <200407091231.29346.kirk@strauser.com>
In-Reply-To: <014701c465ce$4e6a8a90$037ba8c0@gnome.co.uk>
References:  <014701c465ce$4e6a8a90$037ba8c0@gnome.co.uk>

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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?

Setting HZ=1000 absolutely destroyed my Alpha's throughput:

    http://lists.freebsd.org/pipermail/freebsd-alpha/2003-April/000142.html

Yes, that's a non-x86 machine and an older, slower one to boot, but I 
thought I'd present it as an example of a system that would really suffer 
from that proposed change.
-- 
Kirk Strauser



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