Hi Minlan, Can you post the output of 'cat /proc/cpuinfo' on the controller machine?
Thanks, -b On Sun, Jan 24, 2010 at 10:53 AM, Minlan Yu <[email protected]>wrote: > I'm running the Click with Click OpenFlow element as openflow switch. > I run the switches on different machines. > > -- Minlan > > > > On Sun, Jan 24, 2010 at 1:10 PM, Rob Sherwood <[email protected]> > wrote: > > Thanks for the data Martin. > > > > Can you describe the switches used for this? Were they openvswitch? > > I assume the switches were running on a different machine than the nox > > instance, to avoid CPU contention? > > > > I've run similar numbers with the cbench utility that ships with > > oflops: it simply emulates k switches and for each switch, tests the > > number of packet_in/flow_mod responses a controller can produce, per > > second. AFAICT, these should be basically the same numbers. > > > > Also, as a data point, the hardware switches we've tested are no where > > near capable of producing that number of flow setups per second. They > > generally support hundreds of flow setups per second, due to their > > limited CPU. > > > > - Rob > > . > > > > > > > > On Sat, Jan 23, 2010 at 11:30 PM, Martin Casado <[email protected]> > wrote: > >> Minlan recently did some performance analysis of Nox and has kindly > agreed > >> to let me post the results to the mailing list. For those who might be > >> interested: > >> > >> #switch flows/sec (peak rate) > >> 1 18K > >> 2 29K > >> 3 39K > >> 4 59K > >> 5 45K > >> 6 50K > >> > >> This is roughly consistent with the numbers I've seen when doing similar > >> tests. It is important to note that in general, multiple switches are > >> required to saturate Nox. > >> > >> _______________________________________________ > >> nox-dev mailing list > >> [email protected] > >> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org > >> > > > > _______________________________________________ > > nox-dev mailing list > > [email protected] > > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org > > > > _______________________________________________ > nox-dev mailing list > [email protected] > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org >
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