open-vsx.org/charts/openvsx/templates/keda-openvsx-app.yaml at d0d9a258cbb67d428916d3dae70bd026e3a05371 · EclipseFdn/open-vsx.org · GitHub

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{{- if .Values.autoscaling.enabled }}
apiVersion: keda.sh/v1alpha1
kind: ScaledObject
metadata:
  name: {{ .Values.name }}-{{ .Values.environment }}-keda
  namespace: {{ .Values.namespace }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ .Values.name }}-{{ .Values.environment }}
  minReplicaCount: {{ .Values.autoscaling.minReplicas }}
  maxReplicaCount: {{ .Values.autoscaling.maxReplicas }}
  pollingInterval: {{ .Values.autoscaling.pollingInterval }}        # query every 30s, not 15s — reduces noise
  cooldownPeriod: {{ .Values.autoscaling.cooldownPeriod }}          # wait 10 mins before scaling down — let I/O settle
  advanced:
    horizontalPodAutoscalerConfig:
      behavior:
        scaleUp:
          stabilizationWindowSeconds: {{ .Values.autoscaling.scaleUp.stabilizationWindowSeconds }}    # sustained pressure for 3 mins before scaling up
          policies:
            - type: Pods
              value: {{ .Values.autoscaling.scaleUp.pods }}                   # add max 2 pods at a time
              periodSeconds: {{ .Values.autoscaling.scaleUp.periodSeconds }}  # add max 2 pods every 2 mins — gradual
        scaleDown:
          stabilizationWindowSeconds: {{ .Values.autoscaling.scaleDown.stabilizationWindowSeconds }}    # hold for 10 mins before scaling down
          policies:
            - type: Pods
              value: {{ .Values.autoscaling.scaleDown.pods }}
              periodSeconds: {{ .Values.autoscaling.scaleDown.periodSeconds }}             # remove only 1 pod every 3 mins — conservative
  triggers:
    - type: prometheus
      authenticationRef:
        name: keda-prometheus-trigger-auth
      metadata:
        serverAddress: {{ .Values.autoscaling.prometheusUrl }}   # ← add this line
        authModes: "basic"
        metricName: jetty_queue_utilization_sustained
        query: |
          avg(
            avg_over_time(
              (
                executor_queued_tasks{environment="{{ .Values.environment }}"}
                /
                (executor_queued_tasks{environment="{{ .Values.environment }}"} + executor_queue_remaining_tasks{environment="{{ .Values.environment }}"})
                * 100
              )[5m:15s]
            )
          )
        threshold: "70"
{{- end }}