From owner-freebsd-stable@FreeBSD.ORG Fri Dec 21 06:24:02 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 49F6C16A468 for ; Fri, 21 Dec 2007 06:24:02 +0000 (UTC) (envelope-from freebsd@meijome.net) Received: from sigma.octantis.com.au (ns2.octantis.com.au [207.44.189.124]) by mx1.freebsd.org (Postfix) with ESMTP id 0270113C44B for ; Fri, 21 Dec 2007 06:24:01 +0000 (UTC) (envelope-from freebsd@meijome.net) Received: (qmail 27714 invoked from network); 21 Dec 2007 00:24:01 -0600 Received: from 124-170-40-102.dyn.iinet.net.au (HELO localhost) (124.170.40.102) by sigma.octantis.com.au with (DHE-RSA-AES256-SHA encrypted) SMTP; 21 Dec 2007 00:24:01 -0600 Date: Fri, 21 Dec 2007 17:23:28 +1100 From: Norberto Meijome To: freebsd-stable@freebsd.org Message-ID: <20071221172328.5951c045@meijome.net> In-Reply-To: References: <476A5EE1.9000003@bulinfo.net> X-Mailer: Claws Mail 3.0.2 (GTK+ 2.12.3; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: Performance! X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Dec 2007 06:24:02 -0000 On Thu, 20 Dec 2007 15:35:52 +0100 "Claus Guttesen" wrote: > > What postgres-version did you use for this benchmark? Eventhough this > is a synthetic benchmark the difference in performance may indicate > some penalties on 8-core servers on FreeBSD. > > According to http://people.freebsd.org/~kris/scaling/mysql.html mysql > scale the same until until 8 clients on both Linux and FreeBSD. This > is an older test though and Linux has probably done some > optimizations. > > Could be interesting so see whether the results differ if you disable > one of the cpu's and rerun the tests. > I would try asking in the pgsql's performance mailing list , pgsql-performance@postgresql.org (u'll need to subscribe first). there was a bit of discussion on this subject recently on a somewhat unrelated thread ( http://archives.postgresql.org/pgsql-performance/2007-12/msg00276.php )... B _________________________ {Beto|Norberto|Numard} Meijome If you're not part of the solution, you're part of the precipitate. I speak for myself, not my employer. Contents may be hot. Slippery when wet. Reading disclaimers makes you go blind. Writing them is worse. You have been Warned.