From owner-freebsd-performance@FreeBSD.ORG Mon May 2 12:51:29 2005 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 51ED616A4CE; Mon, 2 May 2005 12:51:29 +0000 (GMT) Received: from critter.freebsd.dk (0x535c0e2a.sgnxx1.adsl-dhcp.tele.dk [83.92.14.42]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1F4FF43D3F; Mon, 2 May 2005 12:51:28 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.13.3/8.13.3) with ESMTP id j42CpNlp017337; Mon, 2 May 2005 14:51:23 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: Eric Anderson From: "Poul-Henning Kamp" In-Reply-To: Your message of "Mon, 02 May 2005 07:40:07 CDT." <42761FA7.1030500@centtech.com> Date: Mon, 02 May 2005 14:51:23 +0200 Message-ID: <17336.1115038283@critter.freebsd.dk> Sender: phk@critter.freebsd.dk cc: freebsd-performance@freebsd.org cc: Robert Watson cc: =?ISO-8859-15?Q?=22Arne_=5C=22W=F6rner=5C=22=22?= Subject: Re: Very low disk performance on 5.x X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 May 2005 12:51:29 -0000 In message <42761FA7.1030500@centtech.com>, Eric Anderson writes: > >I'll be honest here, I don't care much if the speed difference between >4.X and 5.X is measureable, or whatever. What I find is a little >telling of an issue somewhere, is that READS are slower than WRITES! >This is totally bogus to me - [...] If the disk has bad sectors or other hardware issues, this is not an atypical result. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.