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On 11/20/2012 04:22 AM, Daniel P. Berrange wrote:
> Yes, you could just run 8 instances of nova-compute per host if
> you have 8 CPUs in it, but this approach to scalability is just
> wasteful of memory. IMHO if we want to have a long term scalable
> architecture for series, we need to make use of real OS threads
> in python.

+1.  The problem here is eventlet.

We need to do some refactoring of periodic tasks anyway between
nova-compute and nova-conductor.  I suspect that we can improve the
situation as a part of that.

-- 
Russell Bryant