From owner-freebsd-stable@FreeBSD.ORG Tue Dec 13 01:29:21 2011 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 7D56A1065670 for ; Tue, 13 Dec 2011 01:29:21 +0000 (UTC) (envelope-from george@m5p.com) Received: from mailhost.m5p.com (ip-3-2-0-2.r20.asbnva02.us.ce.gin.ntt.net [IPv6:2001:418:0:5000::16]) by mx1.freebsd.org (Postfix) with ESMTP id 359ED8FC0C for ; Tue, 13 Dec 2011 01:29:21 +0000 (UTC) Received: from wonderland.m5p.com (wonderland.m5p.com [IPv6:2001:418:3fd::19]) by mailhost.m5p.com (8.14.4/8.14.4) with ESMTP id pBD1TFRh090307 for ; Mon, 12 Dec 2011 20:29:20 -0500 (EST) (envelope-from george@m5p.com) Message-ID: <4EE6AA6B.6020803@m5p.com> Date: Mon, 12 Dec 2011 20:29:15 -0500 From: George Mitchell User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:8.0) Gecko/20111127 Thunderbird/8.0 MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <4EE1EAFE.3070408@m5p.com> <4EE22421.9060707@gmail.com> <4EE6060D.5060201@mail.zedat.fu-berlin.de> <4EE69C5A.3090005@FreeBSD.org> In-Reply-To: <4EE69C5A.3090005@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (mailhost.m5p.com [IPv6:2001:418:3fd::f7]); Mon, 12 Dec 2011 20:29:20 -0500 (EST) X-Scanned-By: MIMEDefang 2.72 on IPv6:2001:418:3fd::f7 Subject: Re: SCHED_ULE should not be the default 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: Tue, 13 Dec 2011 01:29:21 -0000 On 12/12/11 19:29, Doug Barton wrote: > [...] > > I switched to 4BSD, problem gone. > > [...] Ditto. If there's some common situation where the average user would have a perceptibly better experience with ULE, let's go for it. But when there's a plausible usage scenario in which ULE gives OVER AN ORDER OF MAGNITUDE worse performance[1], making ULE the default seems like a bad choice. -- George Mitchell [1] http://lists.freebsd.org/pipermail/freebsd-stable/2011-December/064773.html