From owner-freebsd-current@FreeBSD.ORG Fri Jul 9 18:51:17 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C709C16A4CE for ; Fri, 9 Jul 2004 18:51:17 +0000 (GMT) Received: from kanga.honeypot.net (kanga.honeypot.net [208.162.254.122]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9798A43D49 for ; Fri, 9 Jul 2004 18:51:17 +0000 (GMT) (envelope-from kirk@strauser.com) Received: from localhost (localhost [127.0.0.1]) by kanga.honeypot.net (Postfix) with ESMTP id EB2C5BA81; Fri, 9 Jul 2004 13:51:16 -0500 (CDT) Received: from kanga.honeypot.net ([127.0.0.1]) by localhost (kanga.honeypot.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 83579-02; Fri, 9 Jul 2004 13:51:16 -0500 (CDT) Received: from janus.daycos.com (outbound.daycos.com [204.26.70.70]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by kanga.honeypot.net (Postfix) with ESMTP id 6CB52BA80; Fri, 9 Jul 2004 13:51:16 -0500 (CDT) From: Kirk Strauser To: ticso@cicely.de Date: Fri, 9 Jul 2004 13:51:12 -0500 User-Agent: KMail/1.6.2 References: <014701c465ce$4e6a8a90$037ba8c0@gnome.co.uk> <200407091231.29346.kirk@strauser.com> <20040709180656.GB35892@cicely12.cicely.de> In-Reply-To: <20040709180656.GB35892@cicely12.cicely.de> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200407091351.12528.kirk@strauser.com> X-Virus-Scanned: by amavisd-new at honeypot.net cc: freebsd-current@freebsd.org Subject: Re: default HZ value in 5.2.1 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Jul 2004 18:51:17 -0000 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