Nginx输出基本状态信息（Ngx_http_stub_module模块）
输出Nginx基本状态信息（Ngx_http_stub_status_module）官方文档:http://nginx.org/en/docs/http/ngx_http_status_module.html
官方定义:
The ngx_http_stub_status_module module provides access to basic status information.This module is not built by default, it should be enabled with the --with-http_stub_status_module configuration parameter.注意:此模块在编译时启动，指定--with-http_stub_status_module；
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＃Example Configuration
location /basic_status {
stub_status;
}
Syntax:stub_status;
Default:—
Context:server, location
Context:适用配置段
演示环境:
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Server：192.168.47.140
# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
# uname -r
3.10.0-327.el7.x86_64
# nginx -V
nginx version: nginx/1.10.2
......
相关配置:
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# vim /etc/nginx/conf.d/Vhost.conf
server {
listen 80;
location /status {
stub_status;
}
}
#测试
# curl http://192.168.47.140/status
Active connections: 1
server accepts handled requests
23 23 50
Reading: 0 Writing: 1 Waiting: 0
状态信息定义:(官方定义)
Active connections:#当前的活动连接数（包括Waiting状态的连接）；
The current number of active client connections including Waiting connections.
accepts:#从Nginx启动到此时一共已经接收的请求数；
The total number of accepted client connections.
handled:#已经被处理完成的请求；
The total number of handled connections. Generally, the parameter value is the same as acceptsunless some resource limits have been reached (for example, the worker_connections limit).
requests:#客户端发来的总请求数；
The total number of client requests.
Reading:#Nginx读取客户端请求报文的连接数；
The current number of connections where nginx is reading the request header.
Writing:#Nginx处于向客户端发送响应报文的连接数；
The current number of connections where nginx is writing the response back to the client.
Waiting:#等待客户端发送新请求的空闲连接数；
The current number of idle client connections waiting for a request.
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