[openstack-dev] [nova] Simulating many fake nova compute nodes for scheduler testing

David Peraza david_peraza at persistentsys.com
Mon Feb 24 16:24:00 UTC 2014


Hello all,

I have been trying some new ideas on scheduler and I think I'm reaching a resource issue. I'm running 6 compute service right on my 4 CPU 4 Gig VM, and I started to get some memory allocation issues. Keystone and Nova are already complaining there is not enough memory. The obvious solution to add more candidates is to get another VM and set another 6 Fake compute service. I could do that but I think I need to be able to scale more without the need to use this much resources. I will like to simulate a cloud of 100 maybe 1000 compute nodes that do nothing (Fake driver) this should not take this much memory. Anyone knows of a more efficient way to  simulate many computes? I was thinking changing the Fake driver to report many compute services in different threads instead of having to spawn a process per compute service. Any other ideas?

Regards,
David Peraza


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