I would expect to see 100% cpu utilisation on anything involved in the process of creating 4000 networks and routers but the question is for how long do you see high utilisation? Does it last for seconds, minutes, hours? Do the resources actually get created after some period of time or is the process failing?
From: discuss [mailto:ovs-discuss-boun...@openvswitch.org] On Behalf Of Tony Liu Sent: Tuesday, 21 July 2020 1:53 PM To: ovs-discuss@openvswitch.org Subject: [ovs-discuss] OVN scale Hi folks, This is my first email here. Please let me know if there is any rule or convention I need to follow. Don't want to break it. I started with OpenStack Ussuri and OVN 20.03.0 recently and currently running some scaling test. Searched around for scaling info and noticed some improvements already presented, which is pretty cool. Wondering that "incremental" by DDlog implemented yet? With a 3-node OVN DB cluster and 3 compute nodes (with OVN controller), I created 4000 networks from OpenStack, 4000 logical routers with external GW, add one network to each LR. Port security is disabled on all networks. Then I see ovn-northd, ovn-controller and ovs-switchd all take almost 100% CPU. Is this expected? I revised solution and running test to have 4000 networks, 20 LRs and 200 networks on each LR. Will see if this makes any difference. Is there any scaling and performance report with the latest OVN release as my reference? Thanks! Tony
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