Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 467DF133798F for ; Wed, 27 Oct 2010 11:56:59 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 20088-07 for ; Wed, 27 Oct 2010 14:56:52 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from hermes.mejor.pl (hermes.mejor.pl [193.238.12.139]) by mail.postgresql.org (Postfix) with ESMTP id 55AA21336FA7 for ; Wed, 27 Oct 2010 11:56:51 -0300 (ADT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mejor.pl; s=cokolwiek; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:References:Subject:CC:To:MIME-Version:From:Date:Message-ID; bh=X2wkqR6QE1S+eXwb3/gT3r+6SgQYJLaOU0r2mHGnsOE=; b=unGXJfSLzds83CKX+naTgC8Ymgp97ZB0dl025a9HrJwNsTHqV/Sky1VBENeIuiQ9By45d0EZlng3e5wmt6ulzPsoUuYrS9/qyfj0B3eCrwlWq5rP/0wXNmeVZc3gv2lI; Received: from 127-goc-33.acn.waw.pl ([94.75.108.127] helo=[192.168.138.87]) by hermes.mejor.pl with esmtpsa (TLSv1:DHE-RSA-CAMELLIA256-SHA:256) (Exim 4.72) (envelope-from ) id 1PB7Qj-0001sY-J3; Wed, 27 Oct 2010 16:56:45 +0200 Message-ID: <4CC83DAC.5000600@mejor.pl> Date: Wed, 27 Oct 2010 16:56:44 +0200 From: =?UTF-8?B?TWFyY2luIE1pcm9zxYJhdw==?= User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.11) Gecko/20101020 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.5 MIME-Version: 1.0 To: Francisco Reyes CC: Pavel Stehule , Pgsql performance Subject: Re: Regression: 8.3 2 seconds -> 8.4 100+ seconds References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.61 tagged_above=-10 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201010/471 X-Sequence-Number: 40889 W dniu 27.10.2010 16:53, Francisco Reyes pisze: > Pavel Stehule writes: > >> increase statistics on columns. The estimation is totally out. > > Stats when I ran the above was at 250. > Will try 500. Please paste: ANALYZE VERBOSE argrades Regards