From owner-freebsd-isp Tue Sep 30 02:17:39 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id CAA15552 for isp-outgoing; Tue, 30 Sep 1997 02:17:39 -0700 (PDT) Received: from news1.gtn.com (news1.gtn.com [192.109.159.3]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id CAA15545 for ; Tue, 30 Sep 1997 02:17:31 -0700 (PDT) Received: (from uucp@localhost) by news1.gtn.com (8.8.6/8.8.6) with UUCP id KAA02445; Tue, 30 Sep 1997 10:00:22 +0100 (MET) Received: (from andreas@localhost) by klemm.gtn.com (8.8.7/8.8.7) id KAA26299; Tue, 30 Sep 1997 10:21:43 +0200 (CEST) Message-ID: <19970930102143.44321@klemm.gtn.com> Date: Tue, 30 Sep 1997 10:21:43 +0200 From: Andreas Klemm To: Ernie Elu Cc: freebsd-isp@FreeBSD.ORG Subject: Re: CCD interleave References: <199709271537.BAA00702@spooky.eis.net.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.81 In-Reply-To: <199709271537.BAA00702@spooky.eis.net.au>; from Ernie Elu on Sun, Sep 28, 1997 at 01:37:34AM +1000 X-Disclaimer: A free society is one where it is safe to be unpopular X-Operating-System: FreeBSD 3.0-CURRENT SMP Sender: owner-freebsd-isp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Sun, Sep 28, 1997 at 01:37:34AM +1000, Ernie Elu wrote: > I am just about to purchase a couple of 4gig drives to use as a squid cache. > > The thought occured that I should perhaps try to stripe them with ccd. > > Does anyone know if you can get a performance improvement with squid doing > this? If so what interleave setting would you use? For my 5400 rpm drives I got the best bonnie results using an interleave of 128. -- Andreas Klemm powered by ,,symmetric multiprocessor FreeBSD'' andreas@klemm.gtn.com - http://www.freebsd.org/~fsmp/SMP/SMP.html andreas@FreeBSD.ORG - http://www.freebsd.org/~fsmp/SMP/benches.html