Date: Fri, 08 Oct 2004 17:50:20 +0200 From: Andre Oppermann <andre@freebsd.org> To: David Gilbert <dgilbert@dclg.ca> Cc: freebsd-stable@freebsd.org Subject: Re: Packet passing performance study on exotic hardware. Message-ID: <4166B73C.6030209@freebsd.org> In-Reply-To: <16742.40802.187425.402461@canoe.dclg.ca> References: <16742.40802.187425.402461@canoe.dclg.ca>
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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. Three things: sysctl net.inet.ip.fastforwarding=1 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. -- Andre
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