[OpenSIPS-Users] High Volume MediaProxy

Saúl Ibarra Corretgé saul at ag-projects.com
Tue Oct 2 11:05:58 CEST 2012


Hi Jeff,

On Oct 1, 2012, at 9:48 PM, Jeff Pyle wrote:

> Muhammad,
> 
> I don't have the requirements that Afshin does, but I've often wondered which server resource (ignoring bandwidth) would run out first.  Around 650 calls gives a load average of about 0.15.  This particular relay has one processor with 8 cores at 2 GHz, Mediaproxy 2.4.4, no virtualization.  RAM utilization is negligible.
> 
> If CPU load would become the bottleneck, can I truly run 650 / 0.15 * 8 cores = 35,000 calls on one relay?  Continuing to ignore bandwidth that still doesn't seem right.
> 
> Once a relay fails due to over-utilization, which actual resource tends to fill first?
> 

The network card, most likely. The Linux kernel is able to move packets really fast, but with that big amount of traffic you'll need good network cards that  won't kill your CPU with interrupts. Using irqbalance in case there are too many of them also helps.


Regards,

--
Saúl Ibarra Corretgé
AG Projects






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