[asterisk-dev] Asterisk scalability

Johansson Olle E oej at edvina.net
Tue Feb 17 07:20:15 CST 2009


17 feb 2009 kl. 14.14 skrev Benny Amorsen:

> Johansson Olle E <oej at edvina.net> writes:
>
>> If those cards are all on the same PCI bus - do we have the bandwidth
>> and capacity on that bus?
>
> Modern machines use PCI Express, which is PtP. Saturating multiple
> 10Gbps ethernets is possible in Linux with multiqueue cards, so the
> busses clearly have the bandwidth. The problem is packets per second,
> not bytes per second.
>
> The 80000pps from the earlier example are probably less than 200 bytes
> each, so they only come to 128Mbps in total. Even PCI laughs at that.

So to summarize: PCI is not an issue.

And if we can use card bonding and have multiple cards, irqbalancer
would work better and we might get more capacity.

A switch that supports bonding would be good for these tests I guess.

/O



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