apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
  name: presto-worker
  namespace: default
spec:
  scaleTargetRef:
    apiVersion: extensions/v1beta1
    kind: Deployment
    name: presto-worker
  minReplicas: 1
  maxReplicas: 5 
  targetCPUUtilizationPercentage: 75
