How does OpenStack choose which compute node to use when starting an instance?
Issue
- With respect to a server being chosen for a virtual machine, what is stacking and spreading?
- Does OpenStack spread or stack by default?
- What are the benefits of stacking?
- What are the benefits of spreading?
- How do I tune to have stacking or spreading?
- How do I empirically verify if OpenStack is stacking or spreading and debug if necessary?
Environment
- Red Hat Enterprise Linux OpenStack Platform 4
- Red Hat Enterprise Linux OpenStack Platform 5
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