about that DFBSD performance test

Sepherosa Ziehau sepherosa at gmail.com
Sun Mar 12 01:35:43 UTC 2017


On Wed, Mar 8, 2017 at 8:25 PM, Kevin Bowling <kevin.bowling at kev009.com> wrote:
> Right off the bat, FreeBSD doesn't really understand NUMA in any sufficient
> capacity.  Unfortunately at companies like the one I work at, we take that
> to mean "OK buy a high bin CPU and only populate one socket" which serves
> us well and may ultimately be the best value but does nothing to address
> the reality that multi-socket NUMA systems are common place and FreeBSD
> should run in the same league on them as other operating systems to be
> taken seriously.  I'd be interested in seeing how the contenders look by
> removing one of the CPUs as it might at least put a spotlight on that issue.
>
> With respect to SO_REUSEPORT, we are investigating implementing this round
> robin behavior right now.  We think librss is a better way to go for

Google's SO_REUSEPORT is not round robin.  dfly distributes SYN using
RSS hash; but definitely not round-robin.

Thanks,
sephe


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