fleet-charts/gemma-server/templates/hpa.yaml

# Copyright 2021-2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: gemma-server-autoscale
  labels:
    app: gemma-server
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: vllm-gemma-3-{{ .Values.weight }}
  minReplicas: {{ .Values.minReplicas }}
  maxReplicas: {{ .Values.maxReplicas }}
  metrics:
  - type: Pods
    pods:
      metric:
        name: prometheus.googleapis.com|vllm:num_requests_waiting|gauge
      target:
        type: AverageValue
        averageValue: 10