From owner-freebsd-current@FreeBSD.ORG Thu Nov 12 18:48:50 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9D0FE106566C; Thu, 12 Nov 2009 18:48:50 +0000 (UTC) (envelope-from sullrich@gmail.com) Received: from qw-out-2122.google.com (qw-out-2122.google.com [74.125.92.24]) by mx1.freebsd.org (Postfix) with ESMTP id 3C5CF8FC1D; Thu, 12 Nov 2009 18:48:50 +0000 (UTC) Received: by qw-out-2122.google.com with SMTP id 9so482684qwb.7 for ; Thu, 12 Nov 2009 10:48:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:cc:content-type; bh=zT/hDkZY/CHkDMN3itJv3o/h0Vi+Z2UlwsqOU9WAdps=; b=IybyQqGMZgwMw1oQ0TJQCpX0HY/Mu4Rj59WmpvwKLn41QVTIJ8GbshQ2XymWRSPBEn 7ydTpeYttwpCSsio6hwuzcxWLWF1m+59cua2b2roSESD1onXv/rT1amjmg0W1VMHzKe3 PxCHoka7pI5LJgMZH0yzwwiVAaSJNlkKu5ohQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=RGJhkQvTSWHXSZ2oVRRSGnp7kXi3990sz553tZ9ExhnY25H8/7X3OqlnyCHtvzyGIp HcBwb4+Q6zsb24ZZyN78iJgOaqafAxCBucGix89y+xwf5Exqo7rm+ztV+C/XRqCTNS9Y LXrP/MmIFBQdfsCEs0VJbhk771/2RX6i29wFw= MIME-Version: 1.0 Received: by 10.213.1.28 with SMTP id 28mr369154ebd.70.1258051729073; Thu, 12 Nov 2009 10:48:49 -0800 (PST) In-Reply-To: <11167f520911121044l74744c30u5a4d9ca008ab863c@mail.gmail.com> References: <11167f520911111050j36dd94far667c81e6f5c18e69@mail.gmail.com> <20091111204903.GI89052@dan.emsphone.com> <11167f520911111326v13bb442bt36e853afbecdf834@mail.gmail.com> <9bbcef730911111352t12188bdajbca71bcf35a5beb5@mail.gmail.com> <11167f520911121044l74744c30u5a4d9ca008ab863c@mail.gmail.com> From: Scott Ullrich Date: Thu, 12 Nov 2009 13:48:29 -0500 Message-ID: To: "Sam Fourman Jr." Content-Type: text/plain; charset=ISO-8859-1 Cc: Rick Macklem , Dan Nelson , Ivan Voras , freebsd-current@freebsd.org Subject: Re: Help ZFS FreeBSD 8.0 RC2 Write performance issue X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2009 18:48:50 -0000 On Thu, Nov 12, 2009 at 1:44 PM, Sam Fourman Jr. wrote: > I guess I am confused a bit. > Why is it that sftp has better write speed than NFS? and from what I > am hearing there isn't a good way to fox it? > what about if I try and tweak the nfs connection paramaters. all of > these tests were done with whatever default is. > > anyone have any Ideas on better client connection parameters? Sam, might want to take a look at my thread on freebsd-fs titled "Slow disk write IO with ZFS / NFS". Scott