Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 82DDD9F9357 for ; Tue, 12 Dec 2006 08:30:44 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-new, port 10024) with ESMTP id 97502-01 for ; Tue, 12 Dec 2006 08:30:39 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from vms042pub.verizon.net (vms042pub.verizon.net [206.46.252.42]) by postgresql.org (Postfix) with ESMTP id 10FE59F931E for ; Tue, 12 Dec 2006 08:30:38 -0400 (AST) Received: from osgiliath.mathom.us ([71.246.251.8]) by vms042.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JA500LD9UQFNG53@vms042.mailsrvcs.net> for pgsql-performance@postgresql.org; Tue, 12 Dec 2006 06:30:15 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by osgiliath.mathom.us (Postfix) with ESMTP id 1D77F6EA76 for ; Tue, 12 Dec 2006 07:30:13 -0500 (EST) Received: from osgiliath.mathom.us ([127.0.0.1]) by localhost (osgiliath.home.mathom.us [127.0.0.1]) (amavisd-new, port 10024) with LMTP id m36f82linZSV for ; Tue, 12 Dec 2006 07:30:11 -0500 (EST) Received: by osgiliath.mathom.us (Postfix, from userid 1000) id B006E70AD5; Tue, 12 Dec 2006 07:30:10 -0500 (EST) Date: Tue, 12 Dec 2006 07:30:10 -0500 From: Michael Stone Subject: Re: New to PostgreSQL, performance considerations In-reply-to: To: pgsql-performance@postgresql.org Mail-followup-to: pgsql-performance@postgresql.org Message-id: <20061212123007.GP16692@mathom.us> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-disposition: inline X-Virus-Scanned: Debian amavisd-new at mathom.us X-Pgp-Fingerprint: 53 FF 38 00 E7 DD 0A 9C 84 52 84 C5 EE DF 7C 88 References: <60psaq5t94.fsf@dba2.int.libertyrms.com> <20061211173105.GH16692@mathom.us> <20061211184726.GI16692@mathom.us> <457DA782.3060506@modgraph-usa.com> <8a0c7af10612111422x6bdcc0c2p7cbfeb5a7b0e0374@mail.gmail.com> <20061212013706.GM16692@mathom.us> User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200612/283 X-Sequence-Number: 22339 On Tue, Dec 12, 2006 at 01:35:04AM -0500, Greg Smith wrote: >These changes could easily explain the magnitude of difference in results >you're seeing, expecially when combined with a 20% greater raw CPU clock. I'm not interested in comparing the numbers between the systems (which is obviously pointless); I am intested in the fact that there was a consistent difference among the numbers on his system (based on difference optimizations) and no difference among mine. Mike Stone