Mixing Pinned and Unpinned Nova Instances
Issue
Operator wishes to have computes host instances with both pinned and unpinned instances.
- Compute encountering scheduling issues where resources on a (or multiple) NUMA node are not allocated and the host is scheduled out.
- Pinned instances are seeing CPU steal, as other instances vCPUs have been scheduled on the same pCPU
Environment
Red Hat Openstack Platform 10
Red Hat Openstack Platform 13
Red Hat Openstack Platform 14
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