Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id 73F41633766 for ; Fri, 18 Jun 2010 17:55:49 -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 29944-02 for ; Fri, 18 Jun 2010 20:55:42 +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 5F09F63348E for ; Fri, 18 Jun 2010 17:55:35 -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 1OPib3-0007qE-7k; Fri, 18 Jun 2010 13:55:32 -0700 Message-ID: <4C1BDD40.9030806@agliodbs.com> Date: Fri, 18 Jun 2010 13:55:28 -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: Pierre C CC: postgres performance list Subject: Re: PostgreSQL as a local in-memory cache References: <18287446-8677-46d6-a581-c4777f60ebda@40g2000pry.googlegroups.com> <4C1A5B81.8050908@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=-10 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201006/343 X-Sequence-Number: 39199 > It must be a setting, not a version. > > For instance suppose you have a session table for your website and a > users table. > > - Having ACID on the users table is of course a must ; > - for the sessions table you can drop the "D" You're trying to solve a different use-case than the one I am. Your use-case will be solved by global temporary tables. I suggest that you give Robert Haas some help & feedback on that. My use case is people using PostgreSQL as a cache, or relying entirely on replication for durability. -- -- Josh Berkus PostgreSQL Experts Inc. http://www.pgexperts.com