From owner-freebsd-questions@FreeBSD.ORG Mon Nov 30 11:45:36 2009 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 6B3DB106566C; Mon, 30 Nov 2009 11:45:36 +0000 (UTC) (envelope-from serenity@exscape.org) Received: from ch-smtp01.sth.basefarm.net (ch-smtp01.sth.basefarm.net [80.76.149.212]) by mx1.freebsd.org (Postfix) with ESMTP id EC6978FC17; Mon, 30 Nov 2009 11:45:35 +0000 (UTC) Received: from c83-253-248-99.bredband.comhem.se ([83.253.248.99]:51556 helo=mx.exscape.org) by ch-smtp01.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1NF4gM-0005Km-5O; Mon, 30 Nov 2009 12:44:44 +0100 Received: from [192.168.1.5] (macbookpro [192.168.1.5]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mx.exscape.org (Postfix) with ESMTPSA id 628D2D5B3; Mon, 30 Nov 2009 12:44:43 +0100 (CET) Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Thomas Backman In-Reply-To: <4B13AECE.2060005@zedat.fu-berlin.de> Date: Mon, 30 Nov 2009 12:44:41 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <9D847D35-A5A5-4A31-B045-76A39DEE8E54@exscape.org> References: <4B13869D.1080907@zedat.fu-berlin.de> <0D3A9408-84A8-4C74-A318-F580B41FC1A6@exscape.org> <4B13AECE.2060005@zedat.fu-berlin.de> To: O. Hartmann X-Mailer: Apple Mail (2.1077) X-Originating-IP: 83.253.248.99 X-Scan-Result: No virus found in message 1NF4gM-0005Km-5O. X-Scan-Signature: ch-smtp01.sth.basefarm.net 1NF4gM-0005Km-5O ab1e8529ff33366bca8d9271b37b652d Cc: FreeBSD Stable , freebsd-questions@freebsd.org Subject: Re: Phoronix Benchmarks: Waht's wrong with FreeBSD 8.0? 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: Mon, 30 Nov 2009 11:45:36 -0000 On Nov 30, 2009, at 12:38 PM, O. Hartmann wrote: > Thomas Backman wrote: >> On Nov 30, 2009, at 9:47 AM, O. Hartmann wrote: >>> I'm just wondering what's wrong with FreeBSD 8.0/amd64 when I read = the Benchmarks on Phoronix.org's website. Especially FreeBSD's threaded = I/O shows in contrast to all claims that have been to be improoved the = opposite. >> Corrected link: = http://www.phoronix.com/scan.php?page=3Darticle&item=3Dfreebsd8_benchmarks= &num=3D1 >> And yeah, quite honestly: disk scheduling in FreeBSD appears to = suck... The only reason I'm not switching from Linux. :( >> Regards, >> Thomas >> (PS. See my thread about horrible console latency during disk IO in = the archives, very related. DS.) >=20 > Hello Thomas. > I recall myself having had similar problems during heavy disk I/O (UFS = and ZFS) with stuck console, stuck clients and especially stuck = X11-clients. The discussion was really 'hot', but in the end no clear = statement was made whether this is disk-i/o related or a deeper problem = in the scheduler. >=20 > Sorry for the lack of the link, I thought Phoronix is well known ... >=20 > Oliver That's too bad, re: the scheduling. It seems to be a quite universal = problem, yet I haven't seen much effort spent on working on the problem. = :/ Re: phoronix, I commented mostly because the site is .com and not .org, = so I came to a parked domain when I clicked your link. :) Also, I figured linking directly to the article will help the archives. Regards, Thomas=