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