Date: Wed, 21 Mar 2001 09:23:36 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: Jan Conrad <conrad@th.physik.uni-bonn.de> Cc: Matt Dillon <dillon@earth.backplane.com>, Gordon Tetlow <gordont@bluemtn.net>, Rich Morin <rdm@cfcl.com>, freebsd-stable@FreeBSD.ORG Subject: Re: NFS performance Message-ID: <20010321092336.A12319@fw.wintelcom.net> In-Reply-To: <Pine.BSF.4.33.0103211332070.1867-100000@merlin.th.physik.uni-bonn.de>; from conrad@th.physik.uni-bonn.de on Wed, Mar 21, 2001 at 02:43:15PM %2B0100 References: <200103201911.f2KJBAR96066@earth.backplane.com> <Pine.BSF.4.33.0103211332070.1867-100000@merlin.th.physik.uni-bonn.de>
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* Jan Conrad <conrad@th.physik.uni-bonn.de> [010321 05:43] wrote: > ok - to sum up a bit.. > > - for a good LAN, use UDP > - use v3 (this is what I thought) > - use standard data sizes > > but still... > > Our network connection between client and server is going directly over a > BaySwitch 450 24T, all interfaces set to 100baseTX, half-duplex. > So the LAN is good. > We run 4 nfsd's and 4 nfsiods on each machine. > > I did the mount as 'mount_nfs ....' > Even so 'mount' does'nt show, I suppose I made a v3 mount (from the > source code of mount_nfs). > BTW, is there any way to figure that out? When in doubt run tcpdump. I really doubt that you're maxing out at ~3MB/sec, I've done 11MB/sec on 100mb ether before. > Do you know what actually determines the writing speed in a case like > our's? Network or disk? Y'know, it would be a hell of a lot easier to figure out what was wrong if you showed us the mount flags you're using. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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