Re: Tuning Linux NFSv4 for high latency connections?

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On 24 April 2014 05:12, Jim Rees <rees@xxxxxxxxx> wrote:
> Cedric Blancher wrote:
>
>   Are there any options to improve the Linux NFSv4 performance over a
>   high latency connection?
>
> We did some work along these lines at CITI years ago. As I remember, the
> main thing was to increase net.ipv4.tcp_[rw]mem on the server side, because
> tcp auto-tuning was being defeated. This may be less of an issue with your
> work load, which sounds like many small files rather than one big one.  In
> theory, NFSv4 delegations should help, but I don't know how well that works.

Trond, can you help?

Ced
-- 
Cedric Blancher <cedric.blancher@xxxxxxxxx>
Institute Pasteur
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