Hi: I am now using openvswitch in the kernel, we loaded it as a kernel module. I want to create 4K network namespace, and each with 4 vport, that is totally 16K vports. We use such command: ovs-vsctl add-port $BRIDGE tap$var.$index -- set interface tap$var.$index type=internal
the first 100 vports creates very quickly, about 4 ports one second the port create rate is more and more slowly with more and more ports when the port numbers comes to about 2600*4, it needs 3 minutes to create a port I read the kernel code about vport_new, I don't think this is the bottleneck so here is my question: what makes creating the port so slowly? Have you ever met the problem before? How to resolve it? Hope to hear from you soon!
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