Slow NFS performance

C. Linus Hicks lhicks at nc.rr.com
Wed Jun 16 04:52:02 UTC 2004


On Sun, 2004-06-13 at 04:11, Philippe wrote:
> Hi,
> 
> I have a network with two computers, connected through a switch. One
> machine runs Radhat 9 and is an NFS server, the other machine used to
> run Redhat 9 and mounted an NFS volume on the server. No problems with
> that setup.
> 
> Recently I upgraded the second machine (the client) to Fedora Core 2.
> Now NFS performance is really slow. I checked the connections and
> noticed that other protocols do not have the problem (FTP is lightning
> fast). So it has to be the NFS implementation of Fedora Core 2.
> 
> I cannot upgrade the second machine to FC2 since it requires special
> hardware drivers not available for 2.6 kernels.
> 
> Strangely enough I could not find a similar problem in any mailing list.
> 
> I tried different mount options (rsize, wsize) but nothing changed. This
> is what the /proc/mounts says about my NFS mount:
> 
> 192.168.2.2:/mnt/media /mnt/media nfs
> rw,v3,rsize=8192,wsize=8192,hard,udp,lock,addr=192.168.2.2 0 0
> 
> I hope any of you knows where to look for a solution, since this problem
> makes my computing environment pretty useless.

I also noticed it was slow. I did a rough calculation and I remember
thinking it was much worse than 1/10 the speed of what it should do.

-- 
C. Linus Hicks <lhicks at nc.rr.com>





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