Comment 9 for bug 1825152

The cloud we support with 500+ routers is a xenial-queens cloud, packages from the Ubuntu Cloud Archive. You're absolutely right, this is using the native interface, not ovs-vsctl, so the docs linked aren't a lot of use directly. The point I'm making (not very clearly) is that we're creating each router individually, and that's slow for openvswitch (maybe others too?). I was wondering if it's an option to group those transactions together so there's less calls to the ovs api, to speed things up a bit. For some of the clouds I support, it can take hours to restart a L3 agent machine, and even moving a router from one agent to another takes 15 mins+ because (we think) of the slow ovs db calls at that scale.