Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id D486F632DF5 for ; Fri, 30 Jul 2010 15:51:29 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 57646-08 for ; Fri, 30 Jul 2010 18:51:22 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from glacier.frostconsultingllc.com (glacier.frostconsultingllc.com [69.36.227.170]) by mail.postgresql.org (Postfix) with ESMTP id 4E4E1632C23 for ; Fri, 30 Jul 2010 15:51:22 -0300 (ADT) Received: from dsl081-245-111.sfo1.dsl.speakeasy.net ([64.81.245.111] helo=Sidney-Stratton.local) by glacier.frostconsultingllc.com with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.69) (envelope-from ) id 1Oeufs-0002hT-7p; Fri, 30 Jul 2010 11:51:19 -0700 Message-ID: <4C531F23.6010703@agliodbs.com> Date: Fri, 30 Jul 2010 11:51:15 -0700 From: Josh Berkus User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1b3pre) Gecko/20090223 Thunderbird/3.0b2 MIME-Version: 1.0 To: Vincenzo Romano CC: PostgreSQL Hackers and Developers Subject: Re: On Scalability References: <1280423526.8613.36.camel@jd-desktop.unknown.charter.com> <1280425184.8613.41.camel@jd-desktop.unknown.charter.com> <4C51E00B.2050703@agliodbs.com> <4C51F423.8070006@agliodbs.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-5 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201007/1580 X-Sequence-Number: 166769 > Is there anyone who knows whether those algorithms are linear or not? Read the code? It's really very accessible, and there's lots and lots of comments. While the person who wrote the code is around, isn't it better to see the real implementation? -- -- Josh Berkus PostgreSQL Experts Inc. http://www.pgexperts.com