apiVersion: autoscaling.crane.io/v1alpha1
kind: EffectiveHorizontalPodAutoscaler
metadata:
  name: php-apache
spec:
  # ScaleTargetRef is the reference to the workload that should be scaled.
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: php-apache
  minReplicas: 1        # MinReplicas is the lower limit replicas to the scale target which the autoscaler can scale down to.
  maxReplicas: 10       # MaxReplicas is the upper limit replicas to the scale target which the autoscaler can scale up to.
  scaleStrategy: Auto   # ScaleStrategy indicate the strategy to scaling target, value can be "Auto" and "Preview".
  # Metrics contains the specifications for which to use to calculate the desired replica count.
  metrics:
  - type: Resource
    resource:
      name: cpu
      target:
        type: Utilization
        averageUtilization: 50
  # Prediction defines configurations for predict resources.
  # If unspecified, defaults don't enable prediction.
  prediction:
    predictionWindowSeconds: 3600   # PredictionWindowSeconds is the time window to predict metrics in the future.
    predictionAlgorithm:
      algorithmType: dsp
      dsp:
        sampleInterval: "60s"
        historyLength: "7d"