From owner-freebsd-fs@FreeBSD.ORG Sun Nov 24 15:16:06 2013 Return-Path: Delivered-To: freebsd-fs@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 DE79A6EF for ; Sun, 24 Nov 2013 15:16:06 +0000 (UTC) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 7A6C32543 for ; Sun, 24 Nov 2013 15:16:06 +0000 (UTC) Received: from r2d2 ([82.69.141.170]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50006813420.msg for ; Sun, 24 Nov 2013 15:15:29 +0000 X-Spam-Processed: mail1.multiplay.co.uk, Sun, 24 Nov 2013 15:15:29 +0000 (not processed: message from valid local sender) X-MDDKIM-Result: neutral (mail1.multiplay.co.uk) X-MDRemoteIP: 82.69.141.170 X-Return-Path: prvs=10402a06b3=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-fs@freebsd.org Message-ID: From: "Steven Hartland" To: "Eric Browning" , "aurfalien" References: <2103733116.16923158.1384866769683.JavaMail.root@uoguelph.ca> <9F76D61C-EFEB-44B3-9717-D0795789832D@gmail.com> <5969250F-0987-4304-BB95-52C7BAE8D84D@gmail.com> <18391B9C-2FC4-427B-A4B6-1739B3C17498@gmail.com> Subject: Re: Performance difference between UFS and ZFS with NFS Date: Sun, 24 Nov 2013 15:15:19 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: FreeBSD FS X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Nov 2013 15:16:06 -0000 ----- Original Message ----- From: "Eric Browning" > On a side note I forgot that I had used dd to test the disk performance a > while ago when I was using ZFS. > > ZFS performance: > 3072000000 bytes transferred in 34.167480 secs (89910055 bytes/sec) > 34.17s real 0.61s user 31.89s sys > > UFS performance: > 3072000000 bytes transferred in 11.848883 secs (259264942 bytes/sec) > 11.85s real 0.58s user 11.25s sys > > Again, even with dd performance is about 3x faster with UFS with the same > disks. Interesting, what was you command exactly? Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.