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Nginx和PHP-FPM都在安装的时候创建了一个状态页，用于统计Nginx和PHP-FPM的相关状态信息。下面介绍一下如何开启Nginx和PHP-FPM的状态统计，以及介绍各参数的含义。
(一)开启Nginx的状态统计以及各参数详解
在/etc/nginx/conf.d/(根据自己的Nginx路径)中创建nginx_status.conf，并添加如下内容:
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[iyunv@iZ256vh2adfZ conf.d]# cat nginx_status.conf
server {
listen 80;
server_name 127.0.0.1;
location /nginx_status
{
stub_status on;
access_log off;
#allow 127.0.0.1;
#deny all;
}
}
重启Nginx：
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[iyunv@iZ256vh2adfZ vhost]# /etc/init.d/nginx restart
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
Stopping nginx: [ OK ]
Starting nginx: [ OK ]
测试：
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[iyunv@iZ256vh2adfZ conf.d]# curl 127.0.0.1:80/nginx_status
Active connections: 4
server accepts handled requests
8 8 12
Reading: 0 Writing: 1 Waiting: 3
(二)开启PHP-FPM的状态统计以及各参数详解
开启php-fpm.conf开用php-fpm状态功能：
vim php-fpm.conf:
pm.status_path = /phpfpm_status
默认情况下为/status，当然也可以改成/php_status等，我这里是改成/php_status啦
vim /etc/nginx/conf.d/php_fpm_status.conf
server {
listen 80;
server_name 127.0.0.1;
location /php_status {
fastcgi_pass 127.0.0.1:9000;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $fastcgi_script_name;
#allow x.x.x.x;
access_log off;
#deny all;
}
}
重启Nginx、PHP-FPM。
测试：
[iyunv@iZ256vh2adfZ conf.d]# curl http://127.0.0.1/php_status
pool: www
process manager: dynamic
start time: 25/Feb/2017:10:27:57 +0800
start since: 7
accepted conn: 1
listen queue: 0
max listen queue: 0
listen queue len: 128
idle processes: 4
active processes: 1
total processes: 5
max active processes: 1
max children reached: 0
slow requests: 0
PHP-FPM status状态详解：
pool – fpm池子名称，大多数为www
process manager – 进程管理方式,值：static, dynamic or ondemand. dynamic
start time – 启动日期,如果reload了php-fpm，时间会更新
start since – 运行时长
accepted conn – 当前池子接受的请求数
listen queue – 请求等待队列，如果这个值不为0，那么要增加FPM的进程数量
max listen queue – 请求等待队列最高的数量
listen queue len – socket等待队列长度
idle processes – 空闲进程数量
active processes – 活跃进程数量
total processes – 总进程数量
max active processes – 最大的活跃进程数量（FPM启动开始算）
max children reached - 大道进程最大数量限制的次数，如果这个数量不为0，那说明你的最大进程数量太小了，请改大一点。
slow requests – 启用了php-fpm slow-log，缓慢请求的数量
nginx、php-fpm状态页可以通过带参数实现个性化，可以带参数json、xml、html并且前面三个参数可以分别和full做一个组合，下面以php-fpm status为例：
(1)json格式：
[iyunv@iZ25fueqyvvZ vhost]# curl http://127.0.0.1/php_status?json
{"pool":"www","process manager":"dynamic","start time":1487989605,"start since":3187,"accepted conn":179,"listen queue":0,"max listen queue":0,"listen queue len":128,"idle processes":14,"active processes":1,"total processes":15,"max active processes":5,"max children reached":0}
(2)xml格式：
[iyunv@iZ25fueqyvvZ vhost]# curl http://127.0.0.1/php_status?xml
<?xml version="1.0" ?>
<status>
<pool>www</pool>
<process-manager>dynamic</process-manager>
<start-time>1487989605</start-time>
<start-since>3246</start-since>
<accepted-conn>184</accepted-conn>
<listen-queue>0</listen-queue>
<max-listen-queue>0</max-listen-queue>
<listen-queue-len>128</listen-queue-len>
<idle-processes>14</idle-processes>
<active-processes>1</active-processes>
<total-processes>15</total-processes>
<max-active-processes>5</max-active-processes>
<max-children-reached>0</max-children-reached>
(3)html格式：
[iyunv@iZ25fueqyvvZ vhost]# curl http://127.0.0.1/php_status?html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head><title>PHP-FPM Status Page</title></head>
<body>
<table>
<tr><th>pool</th><td>www</td></tr>
<tr><th>process manager</th><td>dynamic</td></tr>
<tr><th>start time</th><td>25/Feb/2017:10:26:45 +0800</td></tr>
<tr><th>start since</th><td>3272</td></tr>
<tr><th>accepted conn</th><td>186</td></tr>
<tr><th>listen queue</th><td>0</td></tr>
<tr><th>max listen queue</th><td>0</td></tr>
<tr><th>listen queue len</th><td>128</td></tr>
<tr><th>idle processes</th><td>14</td></tr>
<tr><th>active processes</th><td>1</td></tr>
<tr><th>total processes</th><td>15</td></tr>
<tr><th>max active processes</th><td>5</td></tr>
<tr><th>max children reached</th><td>0</td></tr>
</table>
(4)full格式：
[iyunv@iZ25fueqyvvZ vhost]# curl http://127.0.0.1/php_status?full
pool: www
process manager: dynamic
start time: 25/Feb/2017:10:26:45 +0800
start since: 3341
accepted conn: 188
listen queue: 0
max listen queue: 0
listen queue len: 128
idle processes: 14
active processes: 1
total processes: 15
max active processes: 5
max children reached: 0
************************
pid: 4496
state: Idle
start time: 25/Feb/2017:10:26:45 +0800
start since: 3341
requests: 13
request duration: 13932
request method: POST
request URI: /managerlogin/index.php?ctl=default&act=status
content length: 0
user: -
script: /data/website/index.php
last request cpu: 71.78
last request memory: 5767168
此处省略了很多个PID！
full格式详解：
pid – 进程PID，可以单独kill这个进程.
state – 当前进程的状态 (Idle, Running, …)
start time – 进程启动的日期
start since – 当前进程运行时长
requests – 当前进程处理了多少个请求
request duration – 请求时长（微妙）
request method – 请求方法 (GET, POST, …)
request URI – 请求URI
content length – 请求内容长度 (仅用于 POST)
user – 用户 (PHP_AUTH_USER) (or ‘-’ 如果没设置)
script – PHP脚本 (or ‘-’ if not set)
last request cpu – 最后一个请求CPU使用率。
last request memorythe - 上一个请求使用的内存
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