Packet passing performance study on exotic hardware.
andre at freebsd.org
Fri Oct 8 08:49:30 PDT 2004
David Gilbert wrote:
> During the next week, I will continue testing with full simulated
> routing tables, random packets and packets between 350 and 550 bytes
> (average ISP out/in packet sizes). I will add to this report then.
> If anyone has tuning advice for FreeBSD 5.3, I'd like to hear it.
Don't use SMP for packet forwarding. It doesn't help anything and
introduces only locking overhead.
Upgrade to the latest RELENG_5, there are a couple of fixes for things
that may hurt you here. Especially there is a fix for the transmit
queues on the em() driver.
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