Re: Strange NFS behavior (?)
From: Trond Myklebust
Date: Sun May 16 2004 - 19:53:53 EST
På su , 16/05/2004 klokka 20:43, skreiv Kenneth Aafløy:
> Why does not the NFS code (server or client) try to either limit or increase
> the buffer size when performance is at least 10x slower than that of the
> medium it's mounted on, and no other load is present?
Which buffers? We already do automatic congestion control in the RPC
layer (and in the socket layer)...
> And why is the
> performance really so bad with higher r/wsize?
Read the fine FAQ & HOWTO... The keywords are "UDP" and "fragmentation".
http://nfs.sourceforge.net
Then go, use the "tcp" mount option and be happy...
Cheers,
Trond
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