Received: from localhost (unknown [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id 42FB92E349D for ; Wed, 9 Jan 2008 13:43:02 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.191]) (amavisd-maia, port 10024) with ESMTP id 96549-01 for ; Wed, 9 Jan 2008 13:42:57 -0400 (AST) Received: from puck.nether.net (puck.nether.net [204.42.254.5]) by postgresql.org (Postfix) with ESMTP id 8CECF2E3485 for ; Wed, 9 Jan 2008 13:42:57 -0400 (AST) Received: from puck.nether.net (puck.nether.net [204.42.254.5]) by puck.nether.net (8.14.1/8.12.9) with ESMTP id m09HgiOT099604 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 9 Jan 2008 12:42:44 -0500 (EST) (envelope-from jared@puck.nether.net) Received: (from jared@localhost) by puck.nether.net (8.14.1/8.12.9/Submit) id m09Hgham099593; Wed, 9 Jan 2008 12:42:43 -0500 (EST) (envelope-from jared) Date: Wed, 9 Jan 2008 12:42:43 -0500 From: Jared Mauch To: "Joshua D. Drake" Cc: Adrian Moisey , pgsql-performance@postgresql.org Subject: Re: big database performance Message-ID: <20080109174243.GA8915@puck.nether.net> References: <4784835A.8070604@careerjunction.co.za> <47848575.8000007@commandprompt.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47848575.8000007@commandprompt.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Greylist: Sender is SPF-compliant, not delayed by milter-greylist-4.0 (puck.nether.net [204.42.254.5]); Wed, 09 Jan 2008 12:42:44 -0500 (EST) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200801/45 X-Sequence-Number: 28284 On Wed, Jan 09, 2008 at 12:27:33AM -0800, Joshua D. Drake wrote: > Adrian Moisey wrote: >> Hi >> >> We recently converted to postgres (from mssql) and we're having >> performance issues. Not all the issues are related to postgres, but we're >> trying to sort everything out. Hi, I do large databases in Pg, like 300GB/day of new data. Need a lot more data on what you're having issues with. Is your problem with performance database reads? writes? (insert/copy?) How many indicies do you have? - jared -- Jared Mauch | pgp key available via finger from jared@puck.nether.net clue++; | http://puck.nether.net/~jared/ My statements are only mine.