Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id 676039FA43C for ; Thu, 14 Dec 2006 23:22:24 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.191]) (amavisd-new, port 10024) with ESMTP id 89050-01 for ; Thu, 14 Dec 2006 23:21:58 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from westnet.com (westnet.com [216.187.52.2]) by postgresql.org (Postfix) with ESMTP id 5CE8E9FA434 for ; Thu, 14 Dec 2006 23:21:59 -0400 (AST) Received: from westnet.com (localhost [127.0.0.1]) by westnet.com (8.13.8/8.13.8) with ESMTP id kBF3LxaD003774 for ; Thu, 14 Dec 2006 22:21:59 -0500 (EST) Received: from localhost (gsmith@localhost) by westnet.com (8.13.8/8.13.2/Submit) with ESMTP id kBF3LxG1003771 for ; Thu, 14 Dec 2006 22:21:59 -0500 (EST) X-Authentication-Warning: westnet.com: gsmith owned process doing -bs Date: Thu, 14 Dec 2006 22:21:59 -0500 (EST) From: Greg Smith X-X-Sender: gsmith@westnet.com To: Postgresql Performance list Subject: Re: New to PostgreSQL, performance considerations In-Reply-To: Message-ID: References: <457EA39E.1020207@streppone.it> <20061212124803.GA29167@mathom.us> <4580264F.8030109@streppone.it> <4CD99FDA-14B5-4EA9-9440-55E2548C34C1@purefiction.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200612/396 X-Sequence-Number: 22452 On Thu, 14 Dec 2006, Alexander Staubo wrote: > Interestingly enough I see that PostgreSQL seems to be writing around 1MB/s > during the pgbench run, even though I'm running pgbench in the -S mode. I > haven't had the chance to look at the source yet; is it really only doing > selects? I've noticed the same thing and have been meaning to figure out what the cause is. It's just doing a select in there; it's not even in a begin/end block. -- * Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD