[netperf-talk] 10G test problem

[Andrew Gallatin]

On 11/10/12 03:52, m13601078155 wrote:
> When I use netperf test 10G network interface .I got the speed is 2121Mbit/s
> but I use network file system copy file between the nodes,the file copy
> speed is 900M byte/s
> so I don't understand wether the result of netperf test is OK or not.
> pls give me some advices.Thank you.

What network file system do you use?  Does it use some sort of
accelerated side channel (rdma ?) that might not be available to
a "normal" sockets application?

Do you have the standard TCP stateless offloads enabled
(TSO/LSO on the transmit side, GRO / LRO on the receive side)?

Drew