跨部署微服务平台年末活动

# 示例代码：使用Redis进行缓存
import redis

r = redis.Redis(host='localhost', port=6379, db=0)

def get_data(key):
    data = r.get(key)
    if data is None:
        data = fetch_from_db(key)  # 假设这是从数据库获取数据的函数
        r.setex(key, 3600, data)  # 缓存1小时
    return data

# 示例配置：Kubernetes的Deployment配置，支持多区域部署
apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-service
spec:
  replicas: 6
  selector:
    matchLabels:
      app: my-service
  template:
    metadata:
      labels:
        app: my-service
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - my-service
            topologyKey: "kubernetes.io/hostname"
      containers:
      - name: my-service
        image: my-service:latest
        ports:
        - containerPort: 8080

// 示例代码：使用Spring Cloud的Sleuth和Zipkin进行分布式追踪
@SpringBootApplication
@EnableZipkinServer
public class ZipkinServerApplication {
    public static void main(String[] args) {
        SpringApplication.run(ZipkinServerApplication.class, args);
    }
}