From owner-freebsd-questions Wed Jan 9 0:32:59 2002 Delivered-To: freebsd-questions@freebsd.org Received: from newmoon.mt.lv (newmoon.mt.lv [159.148.147.197]) by hub.freebsd.org (Postfix) with ESMTP id 612EE37B9C4 for ; Wed, 9 Jan 2002 00:31:36 -0800 (PST) Received: from blowfish.dev.mt.lv (blowfish.dev.mt.lv [10.0.0.80]) by newmoon.mt.lv (8.11.6/8.11.6) with ESMTP id g098UpT19424 for ; Wed, 9 Jan 2002 10:30:51 +0200 Subject: Re: Impoving NFS performance From: "Denis J. Cirulis" To: freebsd-questions@FreeBSD.org In-Reply-To: <20020108210819.A5558@polands.org> References: <02010818414501.05084@proxy.the-i-pa.com> <20020108210819.A5558@polands.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/1.0 (Preview Release) Date: 09 Jan 2002 10:21:16 +0200 Message-Id: <1010564476.20834.4.camel@blowfish.dev.mt.lv> Mime-Version: 1.0 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, 2002-01-09 at 05:08, Doug Poland wrote: > On Tue, Jan 08, 2002 at 06:41:45PM -0500, Bill Moran wrote: > > Ran some tests today to try to determine where some bottlenecks are occurring > > in a recently installed WAN and found something rather disturbing. > > In tests, NFS is anywhere from 4 to 20 times slower than SMB or FTP file transfer. > > FTP = ~80k/sec > > SMB = ~60k/sec > > NFS = ~25k/sec (although one test showed 2.5k/sec - ugh!) > > Fellow I work with claims that this is just the way NFS is and that we should abandon > > it for other file-sharing methods. > > Anyone have any light to shed on this? Is NFS inherently slower than SMB and other > > protocols? If no, what can be done to speed things up? > > > Here's some options I use after some research: > > -o nfsv3,intr,rdirplus,-r=32768,-w=32768 > > I've never measured the performance against other protocols but this gave me > acceptable performance on a small LAN. YMMV. Never did figure out how to get > this to work via fstab. I've been mounting remote exports via shell script in > /usr/local/etc/rc.d. If you use these and can get the mounts to work via fstab, > I'd appreciate some guidance. To mount remote exports via /etc/fstab you must enter to this file line just like this: #Device Mountpoint Filesystem Opt Dump Pass hostname:/remote/export /mountpoint nfs rw 0 0 Options, Dump and Pass must be set to satisfy your needs. -- 4.4 - number of the beastie. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message