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 :: Mailing Lists

[ILUG] Slow NFS behaviour

[ILUG] Slow NFS behaviour

paul at clubi.ie paul at clubi.ie
Tue Sep 19 17:19:43 IST 2006


On Tue, 19 Sep 2006, Kevin Philp wrote:

> The server has the files exported as:
>
> /home   192.168.1.0/255.255.255.0(sync,rw)
>
> and the client mounts the volume as:
>
> 192.168.1.100:/home	/home	nfs 
> rw,hard,intr,sync,noexec,nosuid,rsize=32768,wsize=32768

Try Pawel's suggestion (bigger socket buffers), also remove the 
'sync' from the client mount, unless you're truly paranoid. With sync 
NFS export the server already guarantees data hits disk when client 
thinks it should. Synchronous on the client seems overkill (and 
definitely will be slow, if it does what I think it might - if not 
it's just redundant)..

Also, make sure you're using TCP, unless your network is 100% 
congestion free (any kind of speed-bridging anywhere: you want to use 
TCP for NFS).

regards,
-- 
Paul Jakma	paul at clubi.ie	paul at jakma.org	Key ID: 64A2FF6A
Fortune:
interrupt configuration error



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