From owner-freebsd-questions@FreeBSD.ORG Thu Nov 3 10:07:31 2011 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 6DA731065670 for ; Thu, 3 Nov 2011 10:07:31 +0000 (UTC) (envelope-from vince@unsane.co.uk) Received: from unsane.co.uk (unsane-pt.tunnel.tserv5.lon1.ipv6.he.net [IPv6:2001:470:1f08:110::2]) by mx1.freebsd.org (Postfix) with ESMTP id E4F408FC08 for ; Thu, 3 Nov 2011 10:07:30 +0000 (UTC) Received: from vhoffman-macbooklocal.local (lon.namesco.net [195.7.254.102]) (authenticated bits=0) by unsane.co.uk (8.14.4/8.14.4) with ESMTP id pA3A7TrT049486 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 3 Nov 2011 10:07:29 GMT (envelope-from vince@unsane.co.uk) Message-ID: <4EB267E0.1050201@unsane.co.uk> Date: Thu, 03 Nov 2011 10:07:28 +0000 From: Vincent Hoffman User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: Gary Gatten References: <4EB1D792.8070103@unsane.co.uk> <6727_1320278107_4EB1D85B_6727_448_1_D9B37353831173459FDAA836D3B43499CB3E6CF5@WADPMBXV0.waddell.com> In-Reply-To: <6727_1320278107_4EB1D85B_6727_448_1_D9B37353831173459FDAA836D3B43499CB3E6CF5@WADPMBXV0.waddell.com> X-Enigmail-Version: 1.3.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "FreeBSD-Questions@freebsd.org" Subject: Re: nfs client speed lower than expected. 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: Thu, 03 Nov 2011 10:07:31 -0000 iperf [ ID] Interval Transfer Bandwidth [ 3] 0.0-60.2 sec 6.22 GBytes 887 Mbits/sec transfers in via ssh are nice and nifty too. Vince On 02/11/2011 23:55, Gary Gatten wrote: > Is the interface really at 1Gb? Have you tested with iperf, ftp, or anything other than nfs? > > -----Original Message----- > From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Vincent Hoffman > Sent: Wednesday, November 02, 2011 6:52 PM > To: FreeBSD-Questions@freebsd.org > Subject: nfs client speed lower than expected. > > Hi all, > What kind of speed should I be expecting over an NFS mount from > a linux box using a gig interface (igb)? I'm seeing linux clients > getting approx 2 or 3 times the throughput rsyncing files from a linux > nfs server that i get from a 8-stable FreeBSD client. > representative results > 7.26MB/s - Freebsd client > 21.10MB/s liunx client > I've tried a variety of files to try and take caching out of the > equation, I've tweaked a few sysctls after much googling > > kern.ipc.maxsockbuf=4000000 > net.inet.tcp.sendbuf_max=16777216 > net.inet.tcp.recvbuf_max=16777216 > net.inet.tcp.sendbuf_inc=16384 > net.inet.tcp.recvbuf_inc=524288 > net.inet.udp.recvspace=65535 > net.local.stream.recvspace=65535 > net.local.stream.sendspace=65535 > > with no obvious improvement. > freebsd mount options > ro,noatime,noexec,nosuid,udp,nfsv3,rsize=1024,wsize=1024,bg,hard,intr,timeout=4,retrans=4 > linux mount options > _netdev,ro,noatime,nodev,noexec,nosuid,proto=udp,vers=3,rsize=1k,wsize=1k,bg,hard,intr,timeo=4,retrans=4 > > I have seen that using the linux server as an nfs client to write to the > NFS server on the freebsd box gives similar performance to a linux > client pulling from the linux server so I'm guessing its something to do > with the freebsd nfs client? > > Any suggestions/clues welcome. > > Thanks, > Vince > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > > > > > > >
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