Web Server

• Web 框架
• Web 服务
• 反向代理 服务
• 缓存 服务

load balancer

• roundrobin
• ewma
  • Peak EWMA
  • Exponentially Weighted Moving Average
  • https://linkerd.io/2016/03/16/beyond-round-robin-load-balancing-for-latency/
    • https://doczhcn.gitbook.io/linkerd/index-1/beyond-round-robin-load-balancing-for-latency
• least_conn
• chash
• aperture
• p2c

# https://flugel.it/kubernetes/kubernetes-nginx-ingress-consistent-hash-subset-load-balancer/
nginx.ingress.kubernetes.io/load-balance: ewma
nginx.ingress.kubernetes.io/upstream-hash-by: ewma