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Subject: Re: Strange NFS behavior (?)
From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Kenneth =?ISO-8859-1?Q?Aafl=F8y?= <keaafloy@online.no>
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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