Received: from localhost (maia-5.hub.org [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id 1969F9FB722 for ; Wed, 28 Feb 2007 15:00:10 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-new, port 10024) with ESMTP id 20058-02 for ; Wed, 28 Feb 2007 14:59:42 -0400 (AST) X-Greylist: delayed 00:29:29.676606 by SQLgrey-1.7.4 Received: from relais.videotron.ca (relais.videotron.ca [24.201.245.36]) by postgresql.org (Postfix) with ESMTP id E84129FB2A4 for ; Wed, 28 Feb 2007 15:00:00 -0400 (AST) Received: from [207.253.108.107] by VL-MO-MR001.ip.videotron.ca (Sun Java System Messaging Server 6.2-2.05 (built Apr 28 2005)) with ESMTP id <0JE600EPZRET6W31@VL-MO-MR001.ip.videotron.ca> for pgsql-performance@postgresql.org; Wed, 28 Feb 2007 13:30:30 -0500 (EST) Date: Wed, 28 Feb 2007 13:37:25 -0500 From: Carlos Moreno Subject: Re: Upgraded to 8.2.3 --- still having performance issues In-reply-to: <5279.1172683250@sss.pgh.pa.us> To: PostgreSQL Performance Message-id: <45E5CBE5.2000009@mochima.com> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7BIT X-Accept-Language: en-us, en References: <45E5B7D2.5020306@mochima.com> <5279.1172683250@sss.pgh.pa.us> User-Agent: Mozilla Thunderbird 1.0.8-1.1.fc4 (X11/20060501) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=BAYES_50, SPF_HELO_PASS X-Spam-Level: X-Archive-Number: 200703/103 X-Sequence-Number: 23508 Tom Lane wrote: >Carlos Moreno writes: > > >>I would have expected a mind-blowing increase in responsiveness and >>overall performance. However, that's not the case --- if I didn't know >>better, I'd probably tend to say that it is indeed the opposite >>(performance seems to have deteriorated) >> >> > >Did you remember to re-ANALYZE everything after loading up the new >database? That's a frequent gotcha ... > > I did. I didn't think it would be necessary, but being paranoid as I am, I figured let's do it just in case. After a few hours of operation, I did a vacuumdb -z also. But it seems to continue downhill :-( Thanks, Carlos --