解决方法：轻服务NGINX配置如下：
（1）、在sitcky下面加上keepalive 100 ;
（2）、在location中增加配置：
proxy_http_version 1.1;
proxy_set_header Connection "";
提问：用IP地址访问系统速度快，但是使用域名访问慢？
现象如下：
ip地址访问系统快：
问题原因：，当通过域名访问的时候，走的http1.0协议，通过IP访问的时候，走的是http1.1协议，http1.0协议有个致命的问题，就是队头阻塞，如果前一个请求被某种原因阻塞了，会导致后续请求延迟发送（1.0是已经淘汰的协议，有很多问题）：
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