dBalancer:{NFLoadBalancer:name=server-provider,current list of Servers=[macliu:8082, macliu:8081],Load balancer stats=Zone stats: {defaultzone=[Zone:defaultzone; Instance count:2; Active connections count: 0; Circuit breaker tripped count: 0; Active connections per server: 0.0;]
},Server stats: [[Server:macliu:8082; Zone:defaultZone; Total Requests:0; Successive connection failure:0; Total blackout seconds:0; Last connection made:Thu Jan 01 08:00:00 CST 1970; First connection made: Thu Jan 01 08:00:00 CST 1970; Active Connections:0; total failure count in last (1000) msecs:0; average resp time:0.0; 90 percentile resp time:0.0; 95 percentile resp time:0.0; min resp time:0.0; max resp time:0.0; stddev resp time:0.0]
, [Server:macliu:8081; Zone:defaultZone; Total Requests:0; Successive connection failure:0; Total blackout seconds:0; Last connection made:Thu Jan 01 08:00:00 CST 1970; First connection made: Thu Jan 01 08:00:00 CST 1970; Active Connections:0; total failure count in last (1000) msecs:0; average resp time:0.0; 90 percentile resp time:0.0; 95 percentile resp time:0.0; min resp time:0.0; max resp time:0.0; stddev resp time:0.0]
]}ServerList:org.springframework.cloud.netflix.ribbon.eureka.DomainExtractingServerList@3dc2c2eb
再尝试刷新几次url，因为我们实在后台启动的程序，在终端会看到如下的信息
INFO 28929 --- [nio-8082-exec-3] c.s.provider.controller.HelloController : instance.host = macliuinstance.service = server-providerinstance.port = 8082
因为开了两个终端，一个是8081端口，一个是8082端口，多刷新几次页面后，会发现终端在循环输出上面的信息，来判断使用ribbon 实现了负载均衡。
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