how to cache nfs file in local disk

[ProAce]

>
> 2008/9/4, Robert Watson <rwatson at freebsd.org>:
>
> The AFS argument may be relevant here: persistent client-side caching is as
> much about indirectly improving client performance through greater server
> scalability as about directly improving client performance through local
> disk I/O speed.
>
> Robert N M Watson
> Computer Laboratory
> University of Cambridge
>

But change fs from nfs to afs maybe more complex, and need more
evaluations for the production environment.

If my cognition for AFS is wrong, could you give me more hints?   :)