From owner-freebsd-questions Tue Nov 3 14:51:23 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id OAA27025 for freebsd-questions-outgoing; Tue, 3 Nov 1998 14:51:23 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from smtp.enteract.com (thor.enteract.com [207.229.143.11]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id OAA27015 for ; Tue, 3 Nov 1998 14:51:18 -0800 (PST) (envelope-from jrs@enteract.com) Received: (qmail 19439 invoked from network); 3 Nov 1998 22:51:11 -0000 Received: from adam.enteract.com (jrs@206.54.252.1) by thor.enteract.com with SMTP; 3 Nov 1998 22:51:11 -0000 Date: Tue, 3 Nov 1998 16:51:10 -0600 (CST) From: John Sconiers To: Graeme Tait cc: freebsd-questions@FreeBSD.ORG Subject: Re: File system performance In-Reply-To: <363F86F7.61889134@echidna.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > > I have a situation that involves manipulating large numbers of small > > > files of about 1k each. I recently noticed a strange performance > > > comparison between my "play" system (a 486-DX2/66/16MB with > > > run-of-the-mill IDE drives and a Promise caching controller, running > > > 2.2.6R) and "production" system (Pentium-II/400/256MB with Ultra 2 LVD > > > SCSI and 4.5GB Seagate Cheetah drives, running 2.2.7S/CAM). > > > > How big is the IDE drive > > 540MB (a 4 yr old WD drive). Just a guess but.....The SCSI drive is 8 times bigger plus the SCSI controller is slow...either because of the driver or just because it has to go through an extra layer before getting to the drive. JOHN To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message