X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id E03439FB3A4 for ; Wed, 30 Aug 2006 20:38:08 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 88443-01-5 for ; Wed, 30 Aug 2006 20:37:59 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from linda-3.paradise.net.nz (bm-3a.paradise.net.nz [203.96.152.182]) by postgresql.org (Postfix) with ESMTP id 4D9F99FB37D for ; Wed, 30 Aug 2006 20:37:20 -0300 (ADT) Received: from smtp-2.paradise.net.nz (tclsnelb1-src-1.paradise.net.nz [203.96.152.172]) by linda-3.paradise.net.nz (Paradise.net.nz) with ESMTP id <0J4U00CSG4A0YB@linda-3.paradise.net.nz> for pgsql-performance@postgresql.org; Thu, 31 Aug 2006 11:37:13 +1200 (NZST) Received: from [192.168.1.11] (218-101-29-170.dsl.clear.net.nz [218.101.29.170]) by smtp-2.paradise.net.nz (Postfix) with ESMTP id 55CC5323B25; Thu, 31 Aug 2006 11:36:26 +1200 (NZST) Date: Thu, 31 Aug 2006 11:36:11 +1200 From: Mark Kirkwood Subject: Re: performance problems. In-reply-to: <44F55A7F.40305@sorbs.net> To: Matthew Sullivan Cc: pgsql-performance@postgresql.org Message-id: <44F620EB.6020206@paradise.net.nz> MIME-version: 1.0 Content-type: text/plain; format=flowed; charset=ISO-8859-1 Content-transfer-encoding: 7bit User-Agent: Thunderbird 1.5.0.4 (X11/20060704) References: <44F55A7F.40305@sorbs.net> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.029 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200608/486 X-Sequence-Number: 20671 Matthew Sullivan wrote: > > The OS is FreeBSD 5.4-RELEASE-p14 > The PG Version is 8.1.3 > > Solutions/tips greatly appreciated. > This won't help this particular query, but 6.1-RELEASE will possibly be a better performer generally, in particular for your SMP system - e.g. the vfs layer is no longer under the Giant lock in the 6.x series, so parallel io should be much better! Cheers Mark