php-fpm

php-fpm

php-fpm的pool

其中一个网站发生故障，会把php-pool资源耗尽，我们应该把站点隔离开来，使用不同的pool

1.修改php-fpm配置文件

[root@antong etc]# vim  /usr/local/php-fpm/etc/php-fpm.conf
[global]
pid = /usr/local/php-fpm/var/run/php-fpm.pid
error_log = /usr/local/php-fpm/var/log/php-fpm.log
[www]
listen = /tmp/php-fcgi.sock
#listen = 127.0.0.1:9000
listen.mode = 666
user = php-fpm
group = php-fpm
pm = dynamic
pm.max_children = 50
pm.start_servers = 20
pm.min_spare_servers = 5
pm.max_spare_servers = 35
pm.max_requests = 500
rlimit_files = 1024
[123.com]
listen = /tmp/123.sock
#listen = 127.0.0.1:9000
listen.mode = 666
user = php-fpm
group = php-fpm
pm = dynamic
pm.max_children = 50
pm.start_servers = 20
pm.min_spare_servers = 5
pm.max_spare_servers = 35
pm.max_requests = 500
rlimit_files = 1024
[root@antong etc]# /etc/init.d/php-fpm restart 
Gracefully shutting down php-fpm . done
Starting php-fpm  done

2.查看进程

[root@antong etc]# ps -aux | grep php
root       5251  0.0  0.2 232000  5068 ?        Ss   22:55   0:00 php-fpm: master process (/usr/local/php-fpm/etc/php-fpm.conf)
php-fpm    5252  0.0  0.2 231940  4808 ?        S    22:55   0:00 php-fpm: pool www
···省略
php-fpm    5272  0.0  0.2 231940  4816 ?        S    22:55   0:00 php-fpm: pool 123.com
···省略

3.隔离站点，使用不同的pool

[root@antong etc]# vim /usr/local/nginx/conf/vhost/test.com.conf 
{
        include fastcgi_params;
        fastcgi_pass unix:/tmp/php-fcgi.sock;
#        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME /data/wwwroot/test.com$fastcgi_script_name
;
    }
[root@antong etc]# vim /usr/local/nginx/conf/vhost/aaa.com.conf 
     {
        include fastcgi_params;
        fastcgi_pass unix:/tmp/123.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME /data/wwwroot/test.com$fastcgi_script_name
;
    }

4.分开管理pool配置文件

[root@antong ~]# vim /usr/local/php-fpm/etc/php-fpm.conf
[global]
pid = /usr/local/php-fpm/var/run/php-fpm.pid
error_log = /usr/local/php-fpm/var/log/php-fpm.log
include=etc/php-fpm.d/*.conf
[root@antong ~]# mkdir /usr/local/php-fpm/etc/php-fpm.d
[root@antong ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf
[www]
listen = /tmp/php-fcgi.sock
listen.mode = 666
user = php-fpm
group = php-fpm
pm = dynamic
pm.max_children = 50
pm.start_servers = 20
pm.min_spare_servers = 5
pm.max_spare_servers = 35
pm.max_requests = 500
rlimit_files = 1024
[root@antong ~]# vim /usr/local/php-fpm/etc/php-fpm.d/123.com.conf
[123.com]
listen = /tmp/123.sock
listen.mode = 666
user = php-fpm
group = php-fpm
pm = dynamic
pm.max_children = 50
pm.start_servers = 20
pm.min_spare_servers = 5
pm.max_spare_servers = 35
pm.max_requests = 500
rlimit_files = 1024
[root@antong ~]# /usr/local/php-fpm/sbin/php-fpm -t    
[07-Sep-2021 23:21:09] NOTICE: configuration file /usr/local/php-fpm/etc/php-fpm.conf test is successful
[root@antong ~]# /etc/init.d/php-fpm reload 
Reload service php-fpm  done
[root@antong ~]# /etc/init.d/php-fpm restart 
Gracefully shutting down php-fpm . done
Starting php-fpm  done

php-fpm慢执行日志

php网站如果访问慢了，慢执行日志可以发现问题出现在哪里。

1.修改php配置文件

[root@antong ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf //在尾部加上下面两行
request_slowlog_timeout = 1
slowlog = /usr/local/php-fpm/var/log/www-slow.log
[root@antong ~]# /usr/local/php-fpm/sbin/php-fpm -t             
[07-Sep-2021 23:29:09] NOTICE: configuration file /usr/local/php-fpm/etc/php-fpm.conf test is successful
[root@antong ~]# /etc/init.d/php-fpm reload 
Reload service php-fpm  done
[root@antong ~]# ls /usr/local/php-fpm/var/log/ 
php-fpm.log  www-slow.log

2.模拟访问速度慢

[root@antong ~]# vim /data/wwwroot/test.com/sleep.php
<?php
echo "test slow log";
sleep(2);
echo "done";
?>

3.测试查看慢执行日志

[root@antong ~]# curl -x127.0.0.1:80 test.com/sleep.php
test slow logdone
[root@antong ~]# cat /usr/local/php-fpm/var/log/www-slow.log 
[07-Sep-2021 23:35:09]  [pool www] pid 5868
script_filename = /data/wwwroot/test.com/sleep.php
[0x00007f660b71e2e0] sleep() /data/wwwroot/test.com/sleep.php:3

php-fpm定义open_basedir

1.修改php配置文件，进行测试

[root@antong ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf //在尾部加上以下内容
php_admin_value[open_basedir]=/data/wwwroot/wwwtest.com:/tmp/
[root@antong ~]# /etc/init.d/php-fpm restart 
Gracefully shutting down php-fpm . done
Starting php-fpm  done
[root@antong ~]# curl -x127.0.0.1:80 test.com/3.php
No input file specified.

2.修改路径，再次测试

[root@antong ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf //将内容改正
php_admin_value[open_basedir]=/data/wwwroot/test.com:/tmp/
[root@antong ~]# /etc/init.d/php-fpm restart 
Gracefully shutting down php-fpm . done
Starting php-fpm  done
[root@antong ~]# curl -x127.0.0.1:80 test.com/3.php
//访问成功省略内容

3.查看错误日志

[root@antong ~]# vim /usr/local/php-fpm/etc/php.ini   //修改以下内容
display_errors = Off
;error_log = syslog  //搜索这行在下面加
error_log = /usr/local/php-fpm/var/log/php_error.log
error_reporting = E_ALL
[root@antong ~]# touch /usr/local/php-fpm/var/log/php_error.log
[root@antong ~]# chown 777 /usr/local/php-fpm/var/log/php_error.log
[root@antong ~]# /etc/init.d/php-fpm restart 
Gracefully shutting down php-fpm . done
Starting php-fpm  done
//改错配置文件后进行测试
[root@antong ~]# !curl
curl -x127.0.0.1:80 test.com/3.php
Access denied.
[root@antong ~]# cat /usr/local/php-fpm/var/log/php_error.log
[08-Sep-2021 03:51:15 UTC] PHP Deprecated:  Comments starting with '#' are deprecated in Unknown on line 1 in Unknown on line 0
[08-Sep-2021 03:51:35 UTC] PHP Deprecated:  Comments starting with '#' are deprecated in Unknown on line 1 in Unknown on line 0
[08-Sep-2021 03:52:51 UTC] PHP Deprecated:  Comments starting with '#' are deprecated in Unknown on line 1 in Unknown on line 0
[08-Sep-2021 03:53:39 UTC] PHP Deprecated:  Comments starting with '#' are deprecated in Unknown on line 1 in Unknown on line 0

php-fpm进程管理

1.查看php-fpm配置文件

[root@antong ~]# cat /usr/local/php-fpm/etc/php-fpm.d/www.conf                 
[www]
listen = /tmp/php-fcgi.sock
listen.mode = 666
user = php-fpm
group = php-fpm
pm = dynamic        //动态进程管理，也可以是static，static会启动最大进程
pm.max_children = 50     //最大子进程数，ps aux可以查看
pm.start_servers = 20    //启动服务时会启动的进程数
pm.min_spare_servers = 5  //定义在空闲时段，子进程数的最少数量，如果达到这个数值时，php-fpm服务会自动派生新的子进程
pm.max_spare_servers = 35  //定义在空闲时段，子进程数的最大值，如果高于这个数值就开始清理空闲的子进程
pm.max_requests = 500   //定义一个子进程最多处理的请求数，也就是说在一个php-fpm的子进程最多可以处理这么多请求，当达到这个数值时，它会自动退出
rlimit_files = 1024
request_slowlog_timeout = 1
slowlog = /usr/local/php-fpm/var/log/www-slow.log
php_admin_value[open_basedir]=/data/wwwroot/test.com:/tmp/