What OS version are you running? Jack
On Mon, Mar 3, 2014 at 12:54 PM, Olivier Cochard-Labbé <oliv...@cochard.me>wrote: > Hi all, > > I've got a new toy in my network bench lab: a SuperMicro SuperServer > 5018A-FTN4. > But I've got a problem for understanding and obtaining good throughput for > "routing" or "firewalling" usages. > > I'm using only the embedded 4 gigabit ports of the Atom C2758 SoC. > With the default igb(4) parameters which is to create 8 queues (because > there is 8 cores) this server is not able to receive more than 585K > packet-per-seconds into one port which is far from the gigabit line-rate > (1.48Mpps): I was expecting better throughput with 8 cores. > Then I did a bunch of new benchmarks by measuring the impact of number of > queue and the results are here: > > http://bsdrp.net/documentation/examples/forwarding_performance_lab_of_a_superserver_5018a-ftn4#graph > > => I've got better results with only 4 queues than 8... but still low > throughput with only 938Kpps. > > Then I decided to measure the impact of pf and ipfw on the throughput with > 4 and 8 queues. > And the results are annoying: > > http://bsdrp.net/documentation/examples/forwarding_performance_lab_of_a_superserver_5018a-ftn4#graph1 > > => With 8 queues, enabling pf or ipfw improve the input throughput of the > igb(4) port. > > Why so low throughput with 8 queues ? > Why better throughput with pf or ipfw enabled than without ? > > Thanks, > > Olivier > _______________________________________________ > freebsd-...@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"
