[CentOS] Desperately need help with multi-core NIC performance

Tim Nelson tnelson at rockbochs.com
Wed Feb 24 20:59:14 UTC 2010


----- "Pete Kay" <petedao at gmail.com> wrote:
> Hi,
> 
> I am running a VOIP application on Centos 5.3.  It is a 16 core box
> with 12 G of mem and all what it does is passing packets.
> 
> What happens is that at around 2K channels running g711 ( 64k) codec,
> all eth0 is used up and no more traffic can go through.
> 
> I have checked google and it talked about interrupt scheduler.
> 
> does anyone know how to configure the kernel to allow it to use all
> CPSs for socket transmission of UDP packets?
> 
> Any pointer will be greatly appreciated.
> 
> pete

What kind of NICs are you using?

--Tim


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