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. Regards, Dumitru _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
