Seems the most leader failure is for NB and the command you said is for SB.
Do you have any benchmarks of how many ACLs can OVN perform normally? I see many failures after 100k ACLs. On Thu, Oct 7, 2021 at 12:14 AM Numan Siddique <num...@ovn.org> wrote: > On Wed, Oct 6, 2021 at 2:49 PM Seena Fallah <seenafal...@gmail.com> wrote: > > > > I'm using these versions on a centos container: > > ovsdb-server (Open vSwitch) 2.15.2 > > ovn-nbctl 21.06.0 > > Open vSwitch Library 2.15.90 > > DB Schema 5.32.0 > > > > Today I see the election timed out too and I should increase ovsdb > election timeout too. I saw the commits but I didn't find any related > change to my problem. > > If I use ovn 21.09 with ovsdb 2.16 Is there still any need to increase > election timeout and disable the inactivity probe? > > Not sure on that. It's worth a try if you have a test environment. > > > Also is there any limitation on the number of ACLs that can OVN handle? > > I don't think there is any limitation on the number of ACLs. In > general as the size of the SB DB increases, we have seen issues. > > Can you run the below command on each of your nodes where > ovn-controller runs and see if that helps ? > > --- > ovs-vsctl set open . external_ids:ovn-monitor-all=true > --- > > Thanks > Numan > > > > > > Thanks. > > > > On Wed, Oct 6, 2021 at 9:43 PM Numan Siddique <num...@ovn.org> wrote: > >> > >> On Wed, Oct 6, 2021 at 12:15 PM Seena Fallah <seenafal...@gmail.com> > wrote: > >> > > >> > Hi, > >> > > >> > I use ovn for OpenStack neutron plugin for my production. After days > I see issues about losing a leader in ovsdb. It seems it was because of the > failing inactivity probe and because I had 17k acls. After I disable the > inactivity probe it works fine but when I did a scale test on it (about 40k > ACLS) again it fails the leader. > >> > I saw many docs about ovn at scale issues that were raised by both > RedHat and eBay and seems the solution is to rewrite ovn with ddlog. I > checked it with northd-ddlog but nothing changes. > >> > > >> > My question is should I wait more for ovn to be stable for high scale > or is there any tuning I miss in my deployment? > >> > Also, will the ovn-nb/sb rewrite with ddlog and can help the issues > at a high scale? if yes is there any due time? > >> > >> What is the ovsdb-server version you're using ? There are many > >> improvements in the ovsdb-server in 2.16. > >> Maybe that would help in your deployment. And also there were many > >> improvements which went into OVN 21.09 > >> if you want to test it out. > >> > >> Thanks > >> Numan > >> > >> > > >> > Thanks. > >> > _______________________________________________ > >> > discuss mailing list > >> > disc...@openvswitch.org > >> > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss > > > > _______________________________________________ > > discuss mailing list > > disc...@openvswitch.org > > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss >
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