查看php-fpm的运行状态

前面的文章中有提到nginx开启http_stub_status_module模块，可以查看nginx的运行状态，输出示例为：
Active connections: 3
server accepts handled requests
17737 17737 49770
Reading: 0 Writing: 1 Waiting: 2
各项解释:
Active connections: 当前 Nginx 正处理的活动连接数.
server accepts handled requests: 总共处理了 17737 个连接, 成功创建 17737 次握手(证明中间没有失败的), 总共处理了 49770 个请求.
Reading: Nginx 读取到客户端的 Header 信息数.
Writing: Nginx 返回给客户端的 Header 信息数.
Waiting: 开启 keep-alive 的情况下, 这个值等于 Active – (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.

当然，该nginx模块还可以配置官方介绍的nginx-rrd来实现图形化的状态监控，像php-fpm也可以配合zabbix来实现图形化监控。

下面介绍下如何查看php-fpm的运行状态：

1.在/usr/local/php/etc/php-fpm.d/www.conf 中开启status_path

pm.status_path = /fpm_status

1	pm.status_path = /fpm_status

2.在nginx配置文件中添加 server虚拟主机：

[root@localhost conf.d]# cat php-fpm-status.conf
  server {
    listen       10001;
    server_name  localhost;
    allow 127.0.0.1;
    deny all;
    #php-fpm状态
    location ~ ^/(fpm_status)${
      include /usr/local/nginx/conf/fastcgi_params;
      #fastcgi_pass 127.0.0.1:9000;
      fastcgi_pass unix:/dev/shm/php-fpm.sock;
      fastcgi_param SCRIPT_FILENAME $fastcgi_script_name;
    }
  }

[root@localhost conf.d]# cat php-fpm-status.conf

server {

listen 10001;

server_name localhost;

allow 127.0.0.1;

deny all;

#php-fpm状态

location ~ ^/(fpm_status)${

include /usr/local/nginx/conf/fastcgi_params;

#fastcgi_pass 127.0.0.1:9000;

fastcgi_pass unix:/dev/shm/php-fpm.sock;

fastcgi_param SCRIPT_FILENAME $fastcgi_script_name;

}

3.平滑重启php-fpm和nginx

4.运行示例：

[root@localhost conf.d]# curl 127.0.0.1:10001/fpm_status

pool:                 www    —— fpm池子名称，即php运行的组

process manager:      static     ——进程管理方式,即php-fpm运行的方式，值有static, dynamic or ondemand. dynamic

start time:           21/Apr/2016:10:38:19 +0800    ——启动日期,如果reload了php-fpm，时间会更新

start since:          22899017    ——运行时长

accepted conn:        55620341    ——当前池子接受的请求数

listen queue:         0   ——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:     246   ——请求等待队列最高的数量

listen queue len:     65535   ——socket等待队列长度

idle processes:       199   ——空闲进程数量

active processes:     1   ——活跃进程数量

total processes:      200   —— 总进程数量

max active processes: 200   ——最大的活跃进程数量（FPM启动开始算）

max children reached: 0   ——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:        0    ——启用时php-fpm slow-log的慢请求数

[root@localhost conf.d]# curl 127.0.0.1:10001/fpm_status

pool: www —— fpm池子名称，即php运行的组

process manager: static ——进程管理方式,即php-fpm运行的方式，值有static, dynamic or ondemand. dynamic

start time: 21/Apr/2016:10:38:19 +0800 ——启动日期,如果reload了php-fpm，时间会更新

start since: 22899017 ——运行时长

accepted conn: 55620341 ——当前池子接受的请求数

listen queue: 0 ——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: 246 ——请求等待队列最高的数量

listen queue len: 65535 ——socket等待队列长度

idle processes: 199 ——空闲进程数量

active processes: 1 ——活跃进程数量

total processes: 200 —— 总进程数量

max active processes: 200 ——最大的活跃进程数量（FPM启动开始算）

max children reached: 0 ——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: 0 ——启用时php-fpm slow-log的慢请求数

5.可通过带不同参数查看php-fpm status输出格式：

http://www.foo.bar/status #默认纯文本
http://www.foo.bar/status?json #json格式
http://www.foo.bar/status?html #html格式
http://www.foo.bar/status?xml #xml格式
#full参数可查看进程详细信息
http://www.foo.bar/status?full
http://www.foo.bar/status?json&full
http://www.foo.bar/status?html&full
http://www.foo.bar/status?xml&full

附：php-fpm配置文件说明

; The URI to view the FPM status page. If this value is not set, no URI will be
; recognized as a status page. It shows the following informations:
;   pool                 - the name of the pool;
;   process manager      - static, dynamic or ondemand;
;   start time           - the date and time FPM has started;
;   start since          - number of seconds since FPM has started;
;   accepted conn        - the number of request accepted by the pool;
;   listen queue         - the number of request in the queue of pending
;                          connections (see backlog in listen(2));
;   max listen queue     - the maximum number of requests in the queue
;                          of pending connections since FPM has started;
;   listen queue len     - the size of the socket queue of pending connections;
;   idle processes       - the number of idle processes;
;   active processes     - the number of active processes;
;   total processes      - the number of idle + active processes;
;   max active processes - the maximum number of active processes since FPM
;                          has started;
;   max children reached - number of times, the process limit has been reached,
;                          when pm tries to start more children (works only for
;                          pm 'dynamic' and 'ondemand');
; Value are updated in real time.
; Example output:
;   pool:                 www
;   process manager:      static
;   start time:           01/Jul/2011:17:53:49 +0200
;   start since:          62636
;   accepted conn:        190460
;   listen queue:         0
;   max listen queue:     1
;   listen queue len:     42
;   idle processes:       4
;   active processes:     11
;   total processes:      15
;   max active processes: 12
;   max children reached: 0
;
; By default the status page output is formatted as text/plain. Passing either
; 'html', 'xml' or 'json' in the query string will return the corresponding
; output syntax. Example:
;   http://www.foo.bar/status
;   http://www.foo.bar/status?json
;   http://www.foo.bar/status?html
;   http://www.foo.bar/status?xml
;
; By default the status page only outputs short status. Passing 'full' in the
; query string will also return status for each pool process.
; Example:
;   http://www.foo.bar/status?full
;   http://www.foo.bar/status?json&full
;   http://www.foo.bar/status?html&full
;   http://www.foo.bar/status?xml&full
; The Full status returns for each process:
;   pid                  - the PID of the process;
;   state                - the state of the process (Idle, Running, ...);
;   start time           - the date and time the process has started;
;   start since          - the number of seconds since the process has started;
;   requests             - the number of requests the process has served;
;   request duration     - the duration in µs of the requests;
;   request method       - the request method (GET, POST, ...);
;   request URI          - the request URI with the query string;
;   content length       - the content length of the request (only with POST);
;   user                 - the user (PHP_AUTH_USER) (or '-' if not set);
;   script               - the main script called (or '-' if not set);
;   last request cpu     - the %cpu the last request consumed
;                          it's always 0 if the process is not in Idle state
;                          because CPU calculation is done when the request
;                          processing has terminated;
;   last request memory  - the max amount of memory the last request consumed
;                          it's always 0 if the process is not in Idle state
;                          because memory calculation is done when the request
;                          processing has terminated;
; If the process is in Idle state, then informations are related to the
; last request the process has served. Otherwise informations are related to
; the current request being served.
; Example output:
;   ************************
;   pid:                  31330
;   state:                Running
;   start time:           01/Jul/2011:17:53:49 +0200
;   start since:          63087
;   requests:             12808
;   request duration:     1250261
;   request method:       GET
;   request URI:          /test_mem.php?N=10000
;   content length:       0
;   user:                 -
;   script:               /home/fat/web/docs/php/test_mem.php
;   last request cpu:     0.00
;   last request memory:  0
;
; Note: There is a real-time FPM status monitoring sample web page available
;       It's available in: /usr/local/php/share/php/fpm/status.html
;
; Note: The value must start with a leading slash (/). The value can be
;       anything, but it may not be a good idea to use the .php extension or it
;       may conflict with a real PHP file.
; Default Value: not set
pm.status_path = /fpm_status

; The URI to view the FPM status page. If this value is not set, no URI will be

; recognized as a status page. It shows the following informations:

; pool - the name of the pool;

; process manager - static, dynamic or ondemand;

; start time - the date and time FPM has started;

; start since - number of seconds since FPM has started;

; accepted conn - the number of request accepted by the pool;

; listen queue - the number of request in the queue of pending

; connections (see backlog in listen(2));

; max listen queue - the maximum number of requests in the queue

; of pending connections since FPM has started;

; listen queue len - the size of the socket queue of pending connections;

; idle processes - the number of idle processes;

; active processes - the number of active processes;

; total processes - the number of idle + active processes;

; max active processes - the maximum number of active processes since FPM

; has started;

; max children reached - number of times, the process limit has been reached,

; when pm tries to start more children (works only for

; pm 'dynamic' and 'ondemand');

; Value are updated in real time.

; Example output:

; pool: www

; process manager: static

; start time: 01/Jul/2011:17:53:49 +0200

; start since: 62636

; accepted conn: 190460

; listen queue: 0

; max listen queue: 1

; listen queue len: 42

; idle processes: 4

; active processes: 11

; total processes: 15

; max active processes: 12

; max children reached: 0

;

; By default the status page output is formatted as text/plain. Passing either

; 'html', 'xml' or 'json' in the query string will return the corresponding

; output syntax. Example:

; http://www.foo.bar/status

; http://www.foo.bar/status?json

; http://www.foo.bar/status?html

; http://www.foo.bar/status?xml

;

; By default the status page only outputs short status. Passing 'full' in the

; query string will also return status for each pool process.

; Example:

; http://www.foo.bar/status?full

; http://www.foo.bar/status?json&full

; http://www.foo.bar/status?html&full

; http://www.foo.bar/status?xml&full

; The Full status returns for each process:

; pid - the PID of the process;

; state - the state of the process (Idle, Running, ...);

; start time - the date and time the process has started;

; start since - the number of seconds since the process has started;

; requests - the number of requests the process has served;

; request duration - the duration in µs of the requests;

; request method - the request method (GET, POST, ...);

; request URI - the request URI with the query string;

; content length - the content length of the request (only with POST);

; user - the user (PHP_AUTH_USER) (or '-' if not set);

; script - the main script called (or '-' if not set);

; last request cpu - the %cpu the last request consumed

; it's always 0 if the process is not in Idle state

; because CPU calculation is done when the request

; processing has terminated;

; last request memory - the max amount of memory the last request consumed

; it's always 0 if the process is not in Idle state

; because memory calculation is done when the request

; processing has terminated;

; If the process is in Idle state, then informations are related to the

; last request the process has served. Otherwise informations are related to

; the current request being served.

; Example output:

; ************************

; pid: 31330

; state: Running

; start time: 01/Jul/2011:17:53:49 +0200

; start since: 63087

; requests: 12808

; request duration: 1250261

; request method: GET

; request URI: /test_mem.php?N=10000

; content length: 0

; user: -

; script: /home/fat/web/docs/php/test_mem.php

; last request cpu: 0.00

; last request memory: 0

;

; Note: There is a real-time FPM status monitoring sample web page available

; It's available in: /usr/local/php/share/php/fpm/status.html

;

; Note: The value must start with a leading slash (/). The value can be

; anything, but it may not be a good idea to use the .php extension or it

; may conflict with a real PHP file.

; Default Value: not set

pm.status_path = /fpm_status

nginx,php-fpm

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查看php-fpm的运行状态

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