[CentOS] Desperately need help with multi-core NIC performance
nate
centos at linuxpowered.net
Thu Feb 25 00:02:42 UTC 2010
Pete Kay wrote:
> Hi
>
> So is that the limit? I have heard people being able to run like 10K
> call channels before max out CPU cap.
I would verify the network throughput of your system to make sure
the NIC/switch/etc are functioning normally, I use iperf to do
this, really simple tool to use just need two systems.
On a good network you should be able to sustain roughly 900+Mbit/s
with standard frame sizes and iperf on a single gigE link(hopefully
with no tuning)
sample run:
------------------------------------------------------------
Client connecting to pd1-bgas01, TCP port 5001
TCP window size: 205 KByte (default)
------------------------------------------------------------
[ 3] local 10.16.1.12 port 54559 connected with 10.16.1.11 port 5001
[ 3] 0.0-10.0 sec 1.06 GBytes 912 Mbits/sec
there are lots of options you can use to configure iperf to
simulate various types of traffic.
nate
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