From owner-freebsd-hackers Wed Mar 4 17:26:24 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA14865 for freebsd-hackers-outgoing; Wed, 4 Mar 1998 17:26:24 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from sendero.simon-shapiro.org (sendero-fxp0.Simon-Shapiro.ORG [206.190.148.34]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id RAA14671 for ; Wed, 4 Mar 1998 17:25:56 -0800 (PST) (envelope-from shimon@sendero-fxp0.simon-shapiro.org) Received: (qmail 15807 invoked by uid 1000); 5 Mar 1998 01:32:22 -0000 Message-ID: X-Mailer: XFMail 1.3-alpha-021598 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <199803040313.UAA12989@usr05.primenet.com> Date: Wed, 04 Mar 1998 17:32:22 -0800 (PST) Reply-To: shimon@simon-shapiro.org Organization: The Simon Shapiro Foundation From: Simon Shapiro To: Terry Lambert Subject: RE: Disk write caches Cc: hackers@FreeBSD.ORG Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 04-Mar-98 Terry Lambert wrote: > I would be very interested to see what the benchmarks on a machine > with soft updates would be with a disk with and without write > cacheing. I would, if I could have it not freeze up the system long enough. Any benchmark in mind? All mine are DBMS oriented, and skewed too (50% WRITE duty cycle). I have a system you csan login into and run against a 32MB cache to a 6-wide RAID-0 array. ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message