From owner-freebsd-questions@FreeBSD.ORG Tue Apr 15 20:56:47 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7B7981065670 for ; Tue, 15 Apr 2008 20:56:47 +0000 (UTC) (envelope-from roberthuff@rcn.com) Received: from smtp02.lnh.mail.rcn.net (smtp02.lnh.mail.rcn.net [207.172.157.102]) by mx1.freebsd.org (Postfix) with ESMTP id 319028FC0A for ; Tue, 15 Apr 2008 20:56:47 +0000 (UTC) (envelope-from roberthuff@rcn.com) Received: from mr02.lnh.mail.rcn.net ([207.172.157.22]) by smtp02.lnh.mail.rcn.net with ESMTP; 15 Apr 2008 16:56:47 -0400 Received: from smtp01.lnh.mail.rcn.net (smtp01.lnh.mail.rcn.net [207.172.4.11]) by mr02.lnh.mail.rcn.net (MOS 3.8.6-GA) with ESMTP id OOL62745; Tue, 15 Apr 2008 16:56:42 -0400 (EDT) Received: from 209-6-22-188.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com (HELO jerusalem.litteratus.org.litteratus.org) ([209.6.22.188]) by smtp01.lnh.mail.rcn.net with ESMTP; 15 Apr 2008 16:56:38 -0400 From: Robert Huff MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18437.5765.761443.586234@jerusalem.litteratus.org> Date: Tue, 15 Apr 2008 16:56:37 -0400 To: josh.carroll@gmail.com In-Reply-To: <8cb6106e0804151328t22ff3996o9aeb2a4c26d9f2eb@mail.gmail.com> References: <200804152159.46589.daniel.tourde@spray.se> <8cb6106e0804151328t22ff3996o9aeb2a4c26d9f2eb@mail.gmail.com> X-Mailer: VM 7.17 under 21.5 (beta28) "fuki" XEmacs Lucid X-Junkmail-Whitelist: YES (by domain whitelist at mr02.lnh.mail.rcn.net) Cc: freebsd-questions@freebsd.org, daniel.tourde@spray.se Subject: Re: How to switch scheduler on 7.0? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Apr 2008 20:56:47 -0000 Josh Carroll writes: > > I would like to switch scheduler on my FreeBSD 7.0 box but I don't > > know how todo that. > > You will want to use options SCHED_ULE instead of SCHED_4BSD in your > kernel config. Am I correct in remembering SCHED_ULE /is/ the default for 7.0+? If this is true, and you (the OP) do not need the machine for production, there are people who would be interested in hearing about your problems - especially if you are prepared to define (and document) "terrible performace" and help diagnosing the issue. Robert Huff