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Running kubernetes metrics-server

Add the following labels to kube-system namespace

      pod-security.kubernetes.io/audit: privileged
      pod-security.kubernetes.io/enforce: privileged
      pod-security.kubernetes.io/warn: privileged

Then apply the kube-metrics manifests. It is slighty modified from upstream for MicroShift. The upstream manifests can be viewed in kubernetes-sigs/metrics-server repository

oc apply -f manifests/metrics-server/scc.yaml
oc apply -f manifests/metrics-server/metrics-server-components.yaml

You should now be able to run kubectl top command to show CPU & memory usage for all pods and node.

kubectl top pod -A
kubectl top node

CPU/Memory from kube-metrics-server

kubectl top pods -A

Utilization