controller:
  autoscaling:
    enabled: true
    minReplicas: 10
    maxReplicas: 100
    targetCPUUtilizationPercentage: 50
    targetMemoryUtilizationPercentage: 50
    behavior: # 快速扩容应对流量洪峰，缓慢缩容预留 buffer 避免流量异常
      scaleUp:
        stabilizationWindowSeconds: 300
        policies:
          - type: Percent
            value: 900
            periodSeconds: 15 # 每 15s 最多允许扩容 9 倍于当前副本数
      scaleDown:
        stabilizationWindowSeconds: 300
        policies:
          - type: Pods
            value: 1
            periodSeconds: 600 # 每 10 分钟最多只允许缩掉 1 个 Pod

controller:
  replicaCount: 50

controller:
  topologySpreadConstraints: # 尽量打散的策略
    - labelSelector:
        matchLabels:
          app.kubernetes.io/name: '{{ include "ingress-nginx.name" . }}'
          app.kubernetes.io/instance: '{{ .Release.Name }}'
          app.kubernetes.io/component: controller
      topologyKey: topology.kubernetes.io/zone
      maxSkew: 1
      whenUnsatisfiable: ScheduleAnyway
    - labelSelector:
        matchLabels:
          app.kubernetes.io/name: '{{ include "ingress-nginx.name" . }}'
          app.kubernetes.io/instance: '{{ .Release.Name }}'
          app.kubernetes.io/component: controller
      topologyKey: kubernetes.io/hostname
      maxSkew: 1
      whenUnsatisfiable: ScheduleAnyway

controller:
  nodeSelector:
    tke.cloud.tencent.com/nodepool-id: np-********

controller:
  resources:
    requests:
      cpu: 500m
      memory: 512Mi
    limits:
      cpu: 1000m
      memory: 1Gi

controller:
  resources:
    requests:
      cpu: 1000m
      memory: 2Gi