From owner-freebsd-isp@FreeBSD.ORG Thu Oct 21 00:00:23 2004 Return-Path: Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3BC2C16A4CE for ; Thu, 21 Oct 2004 00:00:23 +0000 (GMT) Received: from conn.mc.mpls.visi.com (conn.mc.mpls.visi.com [208.42.156.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 00EC643D39 for ; Thu, 21 Oct 2004 00:00:23 +0000 (GMT) (envelope-from krishopper@smtp-in.cybernetik.net) Received: from smtp-in.cybernetik.net (unknown [208.42.117.145]) by conn.mc.mpls.visi.com (Postfix) with ESMTP id 725AC830D; Wed, 20 Oct 2004 19:00:22 -0500 (CDT) Received: by smtp-in.cybernetik.net (Postfix, from userid 1004) id 316BE1145C; Wed, 20 Oct 2004 19:00:22 -0500 (CDT) Date: Wed, 20 Oct 2004 19:00:22 -0500 From: Kristofer Pettijohn To: Charles Sprickman Message-ID: <20041021000022.GA12214@cybernetik.net> References: <20041019192252.GB78974@cybernetik.net> <20041020172819.A2588@shell.inch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041020172819.A2588@shell.inch.com> User-Agent: Mutt/1.5.6i cc: freebsd-isp@freebsd.org Subject: Re: Disk I/O Performance with CCD X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Oct 2004 00:00:23 -0000 > It's been awhile since I played with ccd and news, but isn't there a > stripe size setting when you configure ccd? Fiddling with that might be > interesting. If the stripe is small and your files are big, I imagine > performance would suffer. Bigger helps for larger files, and smaller helps for random reads within files.. I've tried ranges of 64k stripes up to 64MB stripes.. all resulting in nothing better. Kristofer