igb(4) at peak in big purple
seanbru at yahoo-inc.com
Fri Apr 27 19:41:46 UTC 2012
On Thu, 2012-04-26 at 11:13 -0700, Juli Mallett wrote:
> Queue splitting in Intel cards is done using a hash of protocol
> headers, so this is expected behavior. This also helps with TCP and
> UDP performance, in terms of keeping packets for the same protocol
> control block on the same core, but for other applications it's not
> ideal. If your application does not require that kind of locality,
> there are things that can be done in the driver to make it easier to
> balance packets between all queues about-evenly.
What should I be looking at to balance more evenly?
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