KEDA 基于 Prometheus 指标自动伸缩实践

ScaledObject（基于 Prometheus 指标）：apiVersion: keda.sh/v1alpha1

kind: ScaledObject

metadata:

name: api-scaled

namespace: default

spec:

scaleTargetRef:

name: api

minReplicaCount: 2

maxReplicaCount: 20

pollingInterval: 30

cooldownPeriod: 300

triggers:

- type: prometheus

metadata:

serverAddress: http://prometheus-operated.default.svc.cluster.local

metricName: http_requests_per_second

query: sum(rate(http_requests_total{service="api"}[2m]))

threshold: "100"