On Oct 5, 2012, at 6:11 PM, Gleb Smirnoff <gleb...@freebsd.org> wrote:
> Nikolay,
>
> On Fri, Oct 05, 2012 at 05:11:12PM +0300, Nikolay Denev wrote:
> N> With both modules I was able to saturate the four GigE interfaces, and got
> N> about ~3.72 Gbits/sec total according to iperf, systat -ifstat showed
> N> about 116MB/s per each interface.
> N>
> N> However I'm seeing slightly different CPU stat graphs [1], the difference
> is not big,
> N> but with the new if_lagg(4) driver, when the machine is acting as client
> I'm
> N> seeing slightly higher system CPU time, and about the same interrupt, while
> N> when acting as server both system and interrupt are slightly lower.
> N> But please note that these tests were not very scientifically correct.
> N> When the server is available again I might be able to perform several runs
> and
> N> do a proper comparison.
>
> Do I understand correct, that in the above testing "server" means transmitting
> traffic and "client" is receiving traffic?
>
> --
> Totus tuus, Glebius.
Actually with iperf the server is more like a sink, and the client sends data
to the server.
Here's what's in the man page :
To perform an iperf test the user
must establish both a server (to discard traffic) and a client (to gen-
erate traffic).
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