On Tue, Mar 29, 2016 at 12:26:18PM -0700, Han Zhou wrote: > For non-local datapaths, if there are no patch ports attached, it > means the lflows and port bindings would never be needed on the > Chassis. Since lflow_run() and physical_run() are the bottlenecks, > skipping the processing for such lflows and port bindings can save > significant amount of CPU, at the same time largely reduce the > number of rules in local openflow tables. This is specifically > useful when most of the lswitches are created for bridged networks, > where logical router is not used. > > Test precondition: > 2k hypervisors, 20k lports, 200 lswitches (each with a localnet > port). > > Test case: > step1: add 50 hypervisors (simulated on 1 BM with 40 cores), and > wait for flow updates complete on all new hypervisors. > step2: create a lswitch and a localnet port, create and bind 100 > lports evenly on these hypervisors. Repeat this 5 times. > > Before the change: > Step1 took around 20 minutes. > Step2 took 936 seconds. > > After the change: > Step1 took less than 1 minute: 20x faster. > Step2 took 464 seconds: 2x faster. > > Signed-off-by: Han Zhou <zhou...@gmail.com>
This seems very reasonable to me. Can you think of a way to test this? _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
