Tenant compute resources can be reduced on-the-fly, by deleting a tenant node or reducing the cores/RAM assigned to tenant nodes.
The tenant node does not need to be powered off to reduce resource settings; however, if those resources are currently in use by tenant workloads, they will not actually be reclaimed until VMs are shut down. Example: if you reduce a tenant node's RAM resources to 28GB while 32GB is in use by its VMs; the change can be made, but it does not automatically shut down or reclaim any RAM from running VMs.
In order to delete a tenant node, it must first be powered off.
Do not delete the original tenant node; each tenant needs at least one node.
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