On Tue, Nov 2, 2021 at 3:35 PM Dumitru Ceara <[email protected]> wrote: > > On 11/2/21 8:30 PM, Dumitru Ceara wrote: > > This series backports the load balancer performance improvements to > > stable branch-21.09. > > > > - patch 1/3 changes the way ARP responder flows are generated for load > > balancer VIPs, using an address set, making SB updates incremental > > and also reducing memory usage on the SB server side. > > - patch 2/3 introduces a new feature, Load_Balancer_Group, which > > simplifies load balancer configuration in large scale scenarios and > > at the same time improves performance due to the large reduction in > > database refereces between rows. > > - patch 3/3 is a follow up fix of a bug originally introduced by > > patch 1/3. > > > > Usually new features and performance fixes are not to be backported to > > stable branches, however due to the (mis)alignment of upstream and > > downstream release schedules, and due to the fact that ovn-kubernetes > > requires a database table to be part of a schema that's tagged in a > > release in ovn-org/ovn repo, if load balancer groups would be available > > only starting with v21.12.0 then downstream ovn-kubernetes (and OpenShift) > > will not be able to consume the feature for two release cycles (~6 months). > > > > On the other hand the feature itself is quite contained, doesn't break > > backwards compatibility, and, when used, hugely improves some CMSs > > (OpenShift) load balancer use cases. > > > > Dumitru Ceara (3): > > northd: Use address sets for ARP responder flows for VIPs. > > nb: Add support for Load_Balancer_Groups. > > northd: Always generate valid load balancer address set names. > > > > NEWS | 2 > > northd/northd.c | 334 > > +++++++++++++++++++++++++++++++++---------------- > > ovn-nb.ovsschema | 24 +++- > > ovn-nb.xml | 37 +++++ > > tests/ovn-northd.at | 293 ++++++++++++++++++++++++++++++++++--------- > > utilities/ovn-nbctl.c | 3 > > 6 files changed, 517 insertions(+), 176 deletions(-) > > > > Adding OVN maintainers explicitly in order to discuss the possibility of > including this in a v21.09.1.
+1 from me for the backports. Numan > > Regards, > Dumitru > > _______________________________________________ > dev mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-dev > _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
