Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id D8DE19FC000 for ; Fri, 27 Apr 2007 11:30:48 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 37842-08 for ; Fri, 27 Apr 2007 11:30:39 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from vms046pub.verizon.net (vms046pub.verizon.net [206.46.252.46]) by postgresql.org (Postfix) with ESMTP id D9DD69FBF54 for ; Fri, 27 Apr 2007 11:30:45 -0300 (ADT) Received: from osgiliath.mathom.us ([72.66.0.236]) by vms046.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JH500MBIUYV1G54@vms046.mailsrvcs.net> for pgsql-performance@postgresql.org; Fri, 27 Apr 2007 09:30:32 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by osgiliath.mathom.us (Postfix) with ESMTP id F1DFC1F814 for ; Fri, 27 Apr 2007 10:30:27 -0400 (EDT) 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 t4Fdb2dhG+al for ; Fri, 27 Apr 2007 10:30:26 -0400 (EDT) Received: by osgiliath.mathom.us (Postfix, from userid 1000) id 43B0B1F80E; Fri, 27 Apr 2007 10:30:26 -0400 (EDT) Date: Fri, 27 Apr 2007 10:30:25 -0400 From: Michael Stone Subject: Re: Feature Request --- was: PostgreSQL Performance Tuning In-reply-to: <4631FA55.4010406@mochima.com> To: pgsql-performance@postgresql.org Mail-followup-to: pgsql-performance@postgresql.org Message-id: <20070427143023.GA2422@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: <46310247.2050802@pinpointresearch.com> <463158DD.3060602@mochima.com> <2679.1177642153@sss.pgh.pa.us> <4631FA55.4010406@mochima.com> User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200704/466 X-Sequence-Number: 24343 On Fri, Apr 27, 2007 at 09:27:49AM -0400, Carlos Moreno wrote: >Notice that the second part of my suggestion covers this --- have >additional >switches to initdb so that the user can tell it about estimates on how >the DB >will be used: estimated size of the DB, estimated percentage of >activity that >will involve writing, estimated percentage of activity that will be >transactions, >percentage that will use indexes, percentage of queries that will be >complex, >etc. etc. If the person knows all that, why wouldn't they know to just change the config parameters? Mike Stone