Re: [ovs-discuss] ovs-vswitchd 100% CPU in OVN scale test

2018-02-22 Thread Han Zhou
> Hi Han, > > If you investigate the patch you referenced, it's fairly small. It adds an extra strcmp() call and an extra call to ofproto_port_open_type(). It's most likely the extra call to ofproto_port_open_type() is causing the extra CPU usage. Most of the processing done by calling it a second

Re: [ovs-discuss] ovs-vswitchd 100% CPU in OVN scale test

2018-02-19 Thread aginwala
Hi All: As per the discussions/requests by Mark and Numan, I finally reverted the mtu patch (commit-id 8c319e8b73032e06c7dd1832b3b31f8a1189dcd1) on branch-2.9 and re-ran the test with 10k lports to bind on farms, with 8 LRs and 40 LS ;and results improvised. Since ovs did not go super hot, it

Re: [ovs-discuss] ovs-vswitchd 100% CPU in OVN scale test

2018-02-15 Thread Mark Michelson
On 02/08/2018 07:55 PM, Han Zhou wrote: On Wed, Feb 7, 2018 at 12:47 PM, Han Zhou > wrote: > > When doing scale testing for OVN (using https://github.com/openvswitch/ovn-scale-test), we had some interesting findings, and need some help here.

Re: [ovs-discuss] ovs-vswitchd 100% CPU in OVN scale test

2018-02-09 Thread Daniel Alvarez Sanchez
Nice findings Han! Looking back at the patch that Numan sent I answered this to the report: "Yes, thanks Numan for the patch :) Another option would be that ovn-controller sets explicitly the MTU to 1450. Not sure which of the two is the best or would have less side effects. Cheers, Daniel "