Nginx
http://tengine.taobao.org/book/index.html、http://www.nginx.cn/doc/
upstream
upstream backend {
server backend1.example.com weight=5;
server backend2.example.com:8080;
}
server {
location / {
proxy_pass http://backend;
}
}负载均衡算法
round-robin
ip_hash
hash key
least_conn
四层负载均衡
优化策略
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