X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id B16E09DCA1E for ; Wed, 18 Jan 2006 18:02:29 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 91070-10 for ; Wed, 18 Jan 2006 18:02:29 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from cassarossa.samfundet.no (cassarossa.samfundet.no [129.241.93.19]) by postgresql.org (Postfix) with ESMTP id 3AFB09DC9F1 for ; Wed, 18 Jan 2006 18:02:25 -0400 (AST) Received: from trofast.ipv6.sesse.net ([2001:700:300:dc03:20e:cff:fe36:a766] helo=trofast.sesse.net) by cassarossa.samfundet.no with esmtp (Exim 4.50) id 1EzLNq-0005wj-O8 for pgsql-performance@postgresql.org; Wed, 18 Jan 2006 23:02:26 +0100 Received: from sesse by trofast.sesse.net with local (Exim 3.36 #1 (Debian)) id 1EzLNw-0000NZ-00 for ; Wed, 18 Jan 2006 23:02:32 +0100 Date: Wed, 18 Jan 2006 23:02:32 +0100 From: "Steinar H. Gunderson" To: pgsql-performance@postgresql.org Subject: Re: 3WARE Card performance boost? Message-ID: <20060118220232.GB1393@uio.no> Mail-Followup-To: pgsql-performance@postgresql.org References: <00ee01c61c5a$5db2c870$d7cc178a@uni> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Operating-System: Linux 2.6.14.3 on a x86_64 X-Message-Flag: Outlook? --> http://www.mozilla.org/products/thunderbird/ User-Agent: Mutt/1.5.11 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.064 required=5 tests=[AWL=0.064] X-Spam-Score: 0.064 X-Spam-Level: X-Archive-Number: 200601/313 X-Sequence-Number: 16791 On Wed, Jan 18, 2006 at 01:58:09PM -0800, William Yu wrote: > The key is getting a card with the ability to upgrade the onboard ram. > > Our previous setup was a LSI MegaRAID 320-1 (128MB), 4xRAID10, > fsync=off. Replaced it with a ARC-1170 (1GB) w/ 24x7200RPM SATA2 drives > (split into 3 8-drive RAID6 arrays) and performance for us is through > the ceiling. Well, the fact that you went from four to 24 disks would perhaps be a bigger factor than the amount of RAM... /* Steinar */ -- Homepage: http://www.sesse.net/