How to configure Nova Placement to allow admin to adjust cpu/ram/disk allocation ration after deployment

Solution Verified - Updated -

Issue

  • Configuring the compute nodes for dynamic CPU/RAM/DISK allocation overcommit.
  • Allowing cluster admins to adjust overcommit ratios post deployment using placement API.
  • Host aggregate overcommit ratios not applied to nova.conf.

Environment

  • Red Hat OpenStack Platform (RHOSP) 16.1
  • Red Hat OpenStack Platform (RHOSP) 16.2
  • Red Hat OpenStack Platform (RHOSP) 17.1

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