Re: Slow NFS performance over wireless!

From: Miquel van Smoorenburg
Date: Wed Jan 14 2004 - 21:05:38 EST


On Thu, 15 Jan 2004 02:33:12, Mike Fedyk wrote:
> On Thu, Jan 15, 2004 at 01:12:07AM +0000, Miquel van Smoorenburg wrote:
> > On an NFS client (2.6.1-mm3, filesystem mounted with options
> > udp,nfsvers=3,rsize=32768,wsize=32768) I get for the same share as
> > write/rewrite/read speeds 36 / 4 / 38 MB/sec. CPU load is also
> > very high on the client for the rewrite case (80%).
> >
>
> What is your throughput on the wire?

Oh, the network is just fine.

# tcpspray -n 100000 192.168.29.132
Transmitted 102400000 bytes in 0.960200 seconds (104144.970 kbytes/s)

> And retry with tcp instead of udp...

I did test with TCP, results are comparable to UDP.

Mike.
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