X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id 234349DC83A for ; Tue, 7 Mar 2006 12:42:46 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 65962-01 for ; Tue, 7 Mar 2006 12:42:44 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from hosting.commandprompt.com (128.commandprompt.com [207.173.200.128]) by postgresql.org (Postfix) with ESMTP id 1598C9DC860 for ; Tue, 7 Mar 2006 12:42:42 -0400 (AST) Received: from [192.168.1.100] (or-67-76-146-141.sta.sprint-hsd.net [67.76.146.141]) (authenticated bits=0) by hosting.commandprompt.com (8.13.4/8.13.4) with ESMTP id k27GU2S5031441; Tue, 7 Mar 2006 08:30:03 -0800 Message-ID: <440DB85D.2040804@commandprompt.com> Date: Tue, 07 Mar 2006 08:44:13 -0800 From: "Joshua D. Drake" User-Agent: Thunderbird 1.5 (X11/20051201) MIME-Version: 1.0 To: andremachado CC: pgsql-performance@postgresql.org Subject: Re: firebird X postgresql 8.1.2 windows, performance comparison References: <20060307162842.M37264@techforce.com.br> In-Reply-To: <20060307162842.M37264@techforce.com.br> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender succeded SMTP AUTH authentication, not delayed by milter-greylist-1.6 (hosting.commandprompt.com [192.168.1.101]); Tue, 07 Mar 2006 08:30:03 -0800 (PST) X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.087 required=5 tests=[AWL=0.087] X-Spam-Score: 0.087 X-Spam-Level: X-Archive-Number: 200603/60 X-Sequence-Number: 17497 andremachado wrote: > Hello, > A friend asked for help to accelerate some postgresql queries on postgresql > 8.1.2 for windows. > He is comparing with firebird. > Firebird was being up to 90 times faster at some queries. > Attached is a gziped text file containing some steps I tried on a simple > example query. > Could get improvements from 270 seconds to 74 seconds. > But Firebird effortlessly still can perform the same query at 20 seconds. > Please, do you have some suggestion? > Thanks. > Try increasing your work mem and shared buffers considerably. Sincerely, Joshua D. Drake > Andre Felipe Machado > > > ------------------------------------------------------------------------ > > > ---------------------------(end of broadcast)--------------------------- > TIP 1: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly > -- The PostgreSQL Company - Command Prompt, Inc. 1.503.667.4564 PostgreSQL Replication, Consulting, Custom Development, 24x7 support Managed Services, Shared and Dedicated Hosting Co-Authors: PLphp, PLperl - http://www.commandprompt.com/