In Place Pod VerticalScaling in k8

• Enable feature gate InPlacePodVerticalScaling

/etc/kubernetes/manifests/kube-apiserver.yaml

nginx.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  creationTimestamp: null
  labels:
    app: nginx
  name: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  strategy: {}
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx
        name: nginx
        resizePolicy:
        - resourceName: cpu
          restartPolicy: NotRequired
        - resourceName: memory
          restartPolicy: NotRequired
        resources:
          limits:
            memory: "100Mi"
            cpu: "100m"
          requests:
            memory: "100Mi"
            cpu: "100m"

patch.yml [only applied to pod]

kubectl patch pod nginx-94675f6cf-9bxzj --patch '{"spec":{"containers":[{"name":"nginx", "resources":{"requests":{"cpu":"200m"}, "limits":{"cpu":"200m"}}}]}}'