Re: [lvs-users] LVS throughput limit (450k pps)?

[Patrick Schreurs <pats@xxxxxxxxx>]

> Handling loadbalancing in softirq corner is, IMHO, not the best place
> for performance. Softirq handling design become a performance bottlneck
> catalysed by the democratization of SMP (multi-core) box. There is
> alternative design but need to find time to work fulltime on this (I
> have this on my TODO).

The speed of a single core is just too slow. Balancing the interrupts
over multiple CPU cores gives a performance penalty.

What about MSI-X with multiqueue (like intel chipset 82575). Will that
help. I haven't found a nic with that chipset yet, but that's a different
story.

-Patrick