From owner-freebsd-hackers Mon May 28 18:23:31 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from a.mx.everquick.net (a.mx.everquick.net [216.89.137.3]) by hub.freebsd.org (Postfix) with ESMTP id 3100F37B422 for ; Mon, 28 May 2001 18:23:29 -0700 (PDT) (envelope-from eddy+public+spam@noc.everquick.net) Received: from localhost (eddy@localhost) by a.mx.everquick.net (8.10.2/8.10.2) with ESMTP id f4T1NSV11001 for ; Tue, 29 May 2001 01:23:28 GMT X-EverQuick-No-Abuse: Report any e-mail abuse to Date: Tue, 29 May 2001 01:23:28 +0000 (GMT) From: "E.B. Dreger" To: hackers@FreeBSD.ORG Subject: Re: brainstorm: "intermediate" disk caching In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > Date: Mon, 28 May 2001 19:01:37 -0500 (CDT) > From: David Scheidt [ snip ] > If you're really interested in database performance, remember "Spindles > is good." Spreading your IO load over as many seperate disks, on as > many independent IO channels as practical will improve performance. There's the problem. With RAID 1+0, total the storage of the spindles, and half of that is usable. With RAID 5, it asymptotically approaches unity. Eddy --------------------------------------------------------------------------- Brotsman & Dreger, Inc. EverQuick Internet Division Phone: (316) 794-8922 --------------------------------------------------------------------------- Date: Mon, 21 May 2001 11:23:58 +0000 (GMT) From: A Trap To: blacklist@brics.com Subject: Please ignore this portion of my mail signature. These last few lines are a trap for address-harvesting spambots. Do NOT send mail to , or you are likely to be blocked. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message