Cloud Intermediate

Vertical Pod Autoscaler¶

KubernetesVPAAutoscaling 3 min read

Automatic CPU and memory configuration for containers. Recommendations and auto-update.

Modes¶

• Off — recommendations only (safe for getting started)
• Initial — sets values during pod creation
• Auto — continuously updates (restarts pods)

Configuration¶

apiVersion: autoscaling.k8s.io/v1
kind: VerticalPodAutoscaler
metadata:
  name: api-vpa
spec:
  targetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: api
  updatePolicy:
    updateMode: "Off"  # Recommendations only
  resourcePolicy:
    containerPolicies:
      - containerName: app
        minAllowed: {cpu: 100m, memory: 128Mi}
        maxAllowed: {cpu: 4, memory: 8Gi}

Summary¶

VPA complements HPA. Start in Off mode, analyze recommendations, then set correct requests.

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