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 CBD649DC833 for ; Sat, 11 Mar 2006 19:08:46 -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 74894-08 for ; Sat, 11 Mar 2006 19:08:48 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from davinci.ethosmedia.com (server227.ethosmedia.com [209.128.84.227]) by postgresql.org (Postfix) with ESMTP id 90A5B9DC821 for ; Sat, 11 Mar 2006 19:08:44 -0400 (AST) X-EthosMedia-Virus-Scanned: no infections found Received: from [64.81.245.111] (account josh@agliodbs.com HELO [192.168.1.27]) by davinci.ethosmedia.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 9094832; Sat, 11 Mar 2006 15:11:42 -0800 From: Josh Berkus Reply-To: josh@agliodbs.com Organization: Aglio Database Solutions To: pgsql-performance@postgresql.org Subject: Re: Postgres and Ingres R3 / SAN Date: Sat, 11 Mar 2006 15:06:52 -0800 User-Agent: KMail/1.8 Cc: "Jim Nasby" , "Jeremy Haile" References: <4D27CB1096EF1C408F4BFAB0046EC7B6099E48@ausmailid.aus.pervasive.com> In-Reply-To: <4D27CB1096EF1C408F4BFAB0046EC7B6099E48@ausmailid.aus.pervasive.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200603111506.52841.josh@agliodbs.com> X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.082 required=5 tests=[AWL=0.082] X-Spam-Score: 0.082 X-Spam-Level: X-Archive-Number: 200603/155 X-Sequence-Number: 17592 Folks, > > Ingres is based off of the same original codebase that PostgreSQL was > > based upon (a long time ago) This is wrong. According to Andrew Yu and others who date back to the original POSTGRES, development of Postgres involved several of the same team members as INGRES (most notably Stonebraker himself) but the two database systems share no code. So the two systems share some ideas and algorithms, but Postgres is a ground-up rewrite without borrowed code. -- --Josh Josh Berkus Aglio Database Solutions San Francisco