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 80B7DB4316A for ; Fri, 4 Jul 2003 13:59:26 +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 92286-08 for ; Fri, 4 Jul 2003 10:59:16 -0300 (ADT) Received: from sss.pgh.pa.us (unknown [192.204.191.242]) by svr1.postgresql.org (Postfix) with ESMTP id A5D69B43164 for ; Fri, 4 Jul 2003 10:59:15 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.12.9/8.12.9) with ESMTP id h64DxDQQ015242; Fri, 4 Jul 2003 09:59:14 -0400 (EDT) To: "Brian Tarbox" Cc: "Rafal Kedziorski" , pgsql-performance@postgresql.org Subject: Re: PostgreSQL vs. MySQL In-reply-to: <01af01c34227$a6cff470$01000001@trouble> References: <01af01c34227$a6cff470$01000001@trouble> Comments: In-reply-to "Brian Tarbox" message dated "Fri, 04 Jul 2003 08:27:36 -0400" Date: Fri, 04 Jul 2003 09:59:13 -0400 Message-ID: <15241.1057327153@sss.pgh.pa.us> From: Tom Lane X-Archive-Number: 200307/60 X-Sequence-Number: 2353 "Brian Tarbox" writes: > 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. Could we see the details? It's not very fair to not give us a chance to learn about problems. regards, tom lane