nginx加权轮询,upstream,Keepalive,负载均衡实现案例

1. nginx 加权轮询, weight是权重配置。

#配置上游服务器
upstream tomcats {
   
	server 192.168.1.173:8080 weight=1;
	server 192.168.1.174:8080 weight=2;
	server 192.168.1.175:8080 weight=5;
}
server{
   
	liste