From owner-freebsd-hackers@FreeBSD.ORG Thu Feb 23 02:59:09 2012 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx2.freebsd.org (mx2.freebsd.org [69.147.83.53]) by hub.freebsd.org (Postfix) with ESMTP id 8B983106566C; Thu, 23 Feb 2012 02:59:09 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from 172-17-197-151.globalsuite.net (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id 4CE7F1570AF; Thu, 23 Feb 2012 02:59:03 +0000 (UTC) Message-ID: <4F45AB76.5050201@FreeBSD.org> Date: Wed, 22 Feb 2012 18:59:02 -0800 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:10.0.2) Gecko/20120218 Thunderbird/10.0.2 MIME-Version: 1.0 To: Ivan Voras References: In-Reply-To: X-Enigmail-Version: 1.3.5 OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "hackers@freebsd.org" Subject: Re: PostgreSQL benchmarks (now with Linux numbers) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Feb 2012 02:59:09 -0000 On 02/22/2012 01:42, Ivan Voras wrote: > The Dragonfly team has recently liberated their VM from the giant lock and there are some interesting benchmarks comparing it to FreeBSD 9 and a derivative of RedHat Enterprise Linux: > > http://leaf.dragonflybsd.org/mailarchive/kernel/2011-11/msg00008.html > > Other developments are described in their release notes: http://www.dragonflybsd.org/release30/ The 4.5 times improvement by enabling kern.ipc.shm_use_phys is pretty notable, what prevents us from enabling that by default? Doug -- It's always a long day; 86400 doesn't fit into a short. Breadth of IT experience, and depth of knowledge in the DNS. Yours for the right price. :) http://SupersetSolutions.com/