hpa.yaml

apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: temporal-worker
  namespace: {{ .Release.Namespace }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ .Values.worker.deployment }}
  minReplicas: 2
  maxReplicas: 50
  metrics:
  - type: External
    external:
      metric:
        name: temporal_cloud_sync_match_rate
        selector:
          matchLabels:
            temporal_namespace: "{{ .Values.temporal.namespace }}"
      target:
        type: Value
        value: 1500m
  behavior:
    scaleUp:
      stabilizationWindowSeconds: 5
      selectPolicy: Max
      policies:
        - type: Pods
          value: 10
          periodSeconds: 5
    scaleDown:
      stabilizationWindowSeconds: 5
      selectPolicy: Max
      policies:
        - type: Pods
          value: 10
          periodSeconds: 5