From owner-freebsd-hackers@FreeBSD.ORG Sat Jul 5 09:36:32 2014 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id BC08B986; Sat, 5 Jul 2014 09:36:32 +0000 (UTC) Received: from SMTP.CITRIX.COM (smtp.citrix.com [66.165.176.89]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "mail.citrix.com", Issuer "Cybertrust Public SureServer SV CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A1C9827E0; Sat, 5 Jul 2014 09:36:31 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.01,606,1400025600"; d="scan'208";a="149918522" Received: from accessns.citrite.net (HELO FTLPEX01CL03.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP; 05 Jul 2014 09:36:29 +0000 Received: from [IPv6:::1] (10.80.16.47) by smtprelay.citrix.com (10.13.107.80) with Microsoft SMTP Server id 14.3.181.6; Sat, 5 Jul 2014 05:36:28 -0400 Message-ID: <53B7C71C.40005@citrix.com> Date: Sat, 5 Jul 2014 11:36:28 +0200 From: =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Stefan Parvu Subject: Re: Strange IO performance with UFS References: <53B691EA.3070108@citrix.com> <53B69C73.7090806@citrix.com> <20140705001938.54a3873dd698080d93d840e2@systemdatarecorder.org> <53B7C616.1000702@citrix.com> In-Reply-To: <53B7C616.1000702@citrix.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit X-DLP: MIA2 Cc: freebsd-fs@freebsd.org, FreeBSD Hackers X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Jul 2014 09:36:32 -0000 On 05/07/14 11:32, Roger Pau Monné wrote: > I'm using the following fio workload, as stated in the first email: > > [global] > rw=write > size=4g I've pasted the wrong workload, the size is 10g. > bs=4k > > [job1]