Alex, On Thu, Jul 31, 2014 at 10:49 PM, Alex Wang <al...@nicira.com> wrote: > Hey Han, > > > On Thu, Jul 31, 2014 at 1:33 AM, Han Zhou <zhou...@gmail.com> wrote: >> >> Hi Alex, >> >> We had to upgrade to OVS2.1, and everything looks much better. >> The flow miss rate decreased from 20K/sec to 1.5K/sec, which means in >> OVS2.0 there was problem of creating datapath flows (indicated by the >> counter subfacet_install_fail), which then resulted in high miss rate >> and high OVS cpu. >> > > > Still, want to know the kind if traffic you used in your test. > > It is not traffic in test, but production environment with thousands of VMs running in overlay networks behind the GW. The traffic pattern doesn't change before and after upgrading to OVS2.1. > >> >> However, there are still occasional increase of upcall_queue_overflow, >> and the cpu load of handler threads are not high (< 10 %). >> upcall_queue_overflow 0.0/sec 0.000/sec 0.1339/sec >> total: 15671 >> > > > This sample is outdated, since there is no queue overflow in the > last 5 sec nor last minute. so you cannot tell, that the cpu utilization > when the queue overflow happens. > > >> >> This problem should go away when dispatcher is removed, do you know >> when would it be in stable release? >> > > > The removal of dispatcher thread will help, >
May I know the estimated release date of this feature? E.g. OVS2.2? Best regards, Han _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
