Before starting to learn about Kubernetes resource management, you’ll need to deploy the Metrics Server. Follow the instructions in the module Deploy the Metrics Server to enable the Kubernetes Metrics Server.
Verify that the metrics-server deployment is running the desired number of pods with the following command:
kubectl get deployment metrics-server -n kube-system
CPU units are expressed as 1 CPU or 1000m, which equals to 1vCPU/Core. Additional details can be found here