Date: Tue, 19 Apr 2005 18:41:14 +0100 (BST) From: paul@xciv.org (Paul Civati) To: freebsd-stable@freebsd.org Cc: paul@xciv.org Subject: Re: Tuning for router performance Message-ID: <200504191741.j3JHfErQ000883@tuscan.xciv.org> In-Reply-To: <MDEHLPKNGKAHNMBLJOLKEEKADDAB.davids@webmaster.com> References: <68248.1113779741@xciv.org> <MDEHLPKNGKAHNMBLJOLKEEKADDAB.davids@webmaster.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In article <MDEHLPKNGKAHNMBLJOLKEEKADDAB.davids@webmaster.com>,
davids@webmaster.com ("David Schwartz") writes:
>> I'm starting to hit errors at 150Kpps.
> I'm not sure why you're hitting errors at that speed. But here are
> a few suggestions:
Sorry - I left out a key piece of information, as I'm testing PPS
rather than throughput I'm using 64byte packets.
>> options HZ=1000 #for polling
> That's too low. 2000 is the minimum you should consider.
Thanks, I will try that and do some more testing.
> You probably want:
>
> kern.random.sys.harvest.ethernet=0
> kern.random.sys.hervest.interrupt=0
I tried these in my initial test, but they didn't seem to make any
difference for me. I'll try them in combination with the above.
> What are your current values for vm.kmem_size and vm.kmem_size_max?
vm.kmem_size: 335544320
vm.kmem_size_max: 335544320
-Paul-
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200504191741.j3JHfErQ000883>