X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (developer.postgresql.org [64.117.224.193]) by svr1.postgresql.org (Postfix) with ESMTP id E4E7AB438BB for ; Fri, 4 Jul 2003 12:54:42 +0000 (GMT) Received: from svr1.postgresql.org ([64.117.224.193]) by localhost (svr1.postgresql.org [64.117.224.193]) (amavisd-new, port 10024) with ESMTP id 68691-02 for ; Fri, 4 Jul 2003 09:54:32 -0300 (ADT) Received: from www.pspl.co.in (www.pspl.co.in [202.54.11.65]) by svr1.postgresql.org (Postfix) with ESMTP id 3A8B3B438AC for ; Fri, 4 Jul 2003 09:54:30 -0300 (ADT) Received: (from root@localhost) by www.pspl.co.in (8.11.6/8.11.6) id h64CsXO00772 for ; Fri, 4 Jul 2003 18:24:33 +0530 Received: from daithan.intranet.pspl.co.in (daithan.intranet.pspl.co.in [192.168.7.161]) by www.pspl.co.in (8.11.6/8.11.0) with ESMTP id h64CsXQ00767 for ; Fri, 4 Jul 2003 18:24:33 +0530 From: Shridhar Daithankar To: Subject: Re: PostgreSQL vs. MySQL Date: Fri, 4 Jul 2003 18:23:40 +0530 User-Agent: KMail/1.5.2 References: <01af01c34227$a6cff470$01000001@trouble> In-Reply-To: <01af01c34227$a6cff470$01000001@trouble> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200307041823.40101.shridhar_daithankar@nospam.persistent.co.in> X-Archive-Number: 200307/54 X-Sequence-Number: 2347 On Friday 04 July 2003 17:57, Brian Tarbox wrote: > I recently took a system from MySQL to Postgres. Same HW, SW, same data. > The major operations where moderately complex queries (joins on 8 tables). > > The results we got was that Postgres was fully 3 times slower than MySql. > We were on this list a fair bit looking for answers and tried all the > standard answers. It was still much much much slower. This invites the slew of questions thereof. Can you provide more information on 1. Hardware 2. Postgresql version 3. Postgresql tuning you did 4. data size 5. nature of queries 6. mysql benchmarks to rate against. Unless you provide these, it's difficult to help.. Shridhar