Nginx配置检测服务状态的实现方法

1. 查看是否安装检查状态模块;

  [root@localhost ~]# nginx -V  nginx version: nginx/1.12.2  built by gcc 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC)  configure arguments: --prefix=/usr/local/nginx --with-http_sub_module  

2.  如未安装,重新编译安装;

Ø  检查状态模块;--with-http_stub_status_module

  [root@localhost ~]# cd /usr/local/src/nginx-1.12.2/         [root@localhost ~]# ./configure --prefix=/usr/local/nginx --with-http_stub_status_module  [root@localhost ~]# make && make install    

3. 编辑nginx 的配置文件;

  [root@localhost ~]# vim /usr/local/nginx/conf/nginx.conf  server {    listen 80;    server_name localhost;    #access_log logs/host.access.log main;       location /nginx_status {    stub_status on;    access_log off;     #allow 127.0.0.1; ##可对该页面的访问者进行过滤     #deny all;     }    }  [root@localhost ~]# nginx -t  nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok  nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful  [root@localhost ~]# nginx -s reload    

4.测试语法;

  [root@localhost ~]# curl http://192.168.10.110:80/nginx_status  Active connections: 1  server accepts handled requests   1 1 1  Reading: 0 Writing: 1 Waiting: 0

5.     输出内容详解;

第一行  Active connections: 1  ――活跃的连接数量,包括等待客户端数0
第二行 server accepts handled requests ―― 总共处理了1个连接 , 成功创建1次握手, 总共处理了1个请求
第三行 Reading ― 读取客户端的连接数,Writing ― 响应数据到客户端的数量,Waiting ― 开启 keep-alive 的情况下,这个值等于 active C (reading+writing), 意思就是 Nginx 已经处理完正在等候下一次请求指令的驻留连接.

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