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Bug#692957: linux-image-3.2.0-4-amd64: NFS server causes high load on 3.2 kernel



On Sun, 2012-11-11 at 23:38 +0100, Karsten Suehring wrote:
> 
>         Is that with TCP or UDP?
>  
> Made a simple mount without specifying any options. So I guess the
> default would be TCP because specifying UDP made a difference in
> previous tests, right?

Yes, TCP is the default.

Can you also measure the speed at which the client can write, when the
server is running each of the two kernel versions?  If the client can
write twice as fast (for example) then it should be OK to use twice as
high a percentage of CPU time on the server, as the total CPU time
needed for a data transfer will be the same.

Ben.

-- 
Ben Hutchings
Design a system any fool can use, and only a fool will want to use it.

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