X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id B2A3B11F6093 for ; Tue, 25 Apr 2006 15:37:09 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 60415-10 for ; Tue, 25 Apr 2006 15:36:59 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from exchange.g2switchworks.com (mail.g2switchworks.com [63.87.162.25]) by postgresql.org (Postfix) with ESMTP id 4328D11F6602 for ; Tue, 25 Apr 2006 15:36:57 -0300 (ADT) Received: from 10.10.1.37 ([10.10.1.37]) by exchange.g2switchworks.com ([10.10.1.2]) with Microsoft Exchange Server HTTP-DAV ; Tue, 25 Apr 2006 18:36:56 +0000 Received: from state.g2switchworks.com by mail.g2switchworks.com; 25 Apr 2006 13:36:56 -0500 Subject: Re: Large (8M) cache vs. dual-core CPUs From: Scott Marlowe To: Bill Moran Cc: pgsql-performance@postgresql.org In-Reply-To: <20060425141435.6c8c163c.wmoran@collaborativefusion.com> References: <20060425141435.6c8c163c.wmoran@collaborativefusion.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1145990216.23538.238.camel@state.g2switchworks.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Tue, 25 Apr 2006 13:36:56 -0500 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200604/566 X-Sequence-Number: 18650 On Tue, 2006-04-25 at 13:14, Bill Moran wrote: > I've been given the task of making some hardware recommendations for > the next round of server purchases. The machines to be purchased > will be running FreeBSD & PostgreSQL. > > Where I'm stuck is in deciding whether we want to go with dual-core > pentiums with 2M cache, or with HT pentiums with 8M cache. BTW: For an interesting article on why the dual core Opterons are so much better than their Intel cousins, read this article: http://techreport.com/reviews/2005q2/opteron-x75/index.x?pg=1 Enlightening read.