Kubernetes 成本优化：节点自动伸缩与高密度调度

概览与核心价值以节点自动伸缩与密度优化提高资源利用率，降低单位业务成本。实战与示例apiVersion: apps/v1 kind: Deployment metadata: name: binpack-web spec: replicas: 3 selector: matchLabels: app: web template: metadata: labels: app: web spec: containers: - name: web image: registry.example.com/app/web:1.0.0 resources: requests: cpu: 200m memory: 256Mi limits: cpu: 200m memory: 256Mi 验证与度量指标：节点利用率、调度失败率、扩缩容耗时与成本变化。版本与来源Cluster Autoscaler 文档：https://github.com/kubernetes/autoscaler