X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 9499CDB4E7 for ; Wed, 16 Nov 2005 02:57:53 -0400 (AST) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 39475-02 for ; Wed, 16 Nov 2005 06:57:52 +0000 (GMT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from obelix.askesis.nl (laudanum.demon.nl [82.161.125.16]) by svr1.postgresql.org (Postfix) with ESMTP id 96766DB3C4 for ; Wed, 16 Nov 2005 02:57:49 -0400 (AST) Received: obelix.askesis.nl 172.31.0.1 from 172.31.1.8 172.31.1.8 via HTTP with MS-WebStorage 6.0.6249 Received: from Panoramix by obelix.askesis.nl; 16 Nov 2005 07:57:49 +0100 Subject: Re: Performance PG 8.0 on dual opteron / 4GB / 3ware From: Joost Kraaijeveld To: Luke Lonergan Cc: Steve Wampler , Dave Cramer , Pgsql-Performance In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Wed, 16 Nov 2005 07:57:48 +0100 Message-Id: <1132124268.25582.7.camel@Panoramix> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.001 required=5 tests=[UNPARSEABLE_RELAY=0.001] X-Spam-Score: 0.001 X-Spam-Level: X-Archive-Number: 200511/267 X-Sequence-Number: 15524 Hi Luke, On Tue, 2005-11-15 at 22:07 -0800, Luke Lonergan wrote: > You might update your driver, I will do that (but I admit that I am not looking forward to it. When I was young and did not make money with my computer, I liked challenges like compiling kernels and not being able to boot the computer. Not any more :-)). > > WAL on a separate disk, on a separate controller? What is the write > performance there? WAL is on a separate disk and a separate controller, write performance: jkr@Panoramix:/tmp$ dd if=/dev/zero of=bigfile bs=8k count=1000000 1000000+0 records in 1000000+0 records out 8192000000 bytes transferred in 166.499230 seconds (49201429 bytes/sec) The quest continues... -- Groeten, Joost Kraaijeveld Askesis B.V. Molukkenstraat 14 6524NB Nijmegen tel: 024-3888063 / 06-51855277 fax: 024-3608416 e-mail: J.Kraaijeveld@Askesis.nl web: www.askesis.nl