ngx_lua_reqstatus 实时监控 Nginx 域名 qps 的 lua 拓展

[zhengji]

实时监控 Nginx 域名的 qps, 5xx 个数,响应时长 GitHub

配置

# nginx.conf
http {
    ...
    ...

    lua_shared_dict statics_dict    1M; # 初始化变量
    lua_package_path "/etc/nginx/ngx_lua_reqstatus/?.lua";  #路径
    log_by_lua_file "/etc/nginx/ngx_lua_reqstatus/hook.lua"; # 添加此句

    server {
        listen 80;
        server_name  www.justforfun.com; 

        location /{
            ...
        }
    }

    # http 接口
    server {
        listen 127.0.0.1:6080;
        location /{
            access_by_lua_file "/etc/nginx/ngx_lua_reqstatus/status.lua";
        }
    }
}

效果

查看 www.justforfun.com 的运行状况:

curl localhost:6080/?domain=www.justforfun.com

输出

Server Name key:    www.justforfun.com
Seconds SinceLast:  26.601999998093
Average Req Time Sec:   0.031799983978271
Request Count:  5
Requests Per Secs:  0.18795579281101
5xx num:    0