Not sure about upstream devstack. But for us, we didn't find any noticeable performance advantage when running it with multi-threads. My understanding is the Keystone is more CUP-bound than I/O-bound, and with Python's GIL, I am not sure multi-threading provide us any real advantage.
Not sure about upstream devstack. But for us, we didn't find any noticeable performance advantage when running it with multi-threads. My understanding is the Keystone is more CUP-bound than I/O-bound, and with Python's GIL, I am not sure multi-threading provide us any real advantage.