为了避免因多站点使用同一个pool时,因为一个站点故障导致pool出问题,进而影响使用同一个pool的其他站点的正常运行,我们有必要对每一个站点设置一个单独的pool。
编辑php-fpm配置文件:
[root@host etc]# vim /usr/local/php-fpm/etc/php-fpm.conf
[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
……
[zhouqun.com] //添加新的pool
listen = /tmp/zhouqun.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@host etc]# /usr/local/php-fpm/sbin/php-fpm -t
[12-Sep-2017 23:26:57] NOTICE: configuration file /usr/local/php-fpm/etc/php-fpm.conf test is successful
[root@host etc]# /etc/init.d/php-fpm reload
Reload service php-fpm done
[root@host etc]# ps aux |grep php-fpm
php-fpm 6222 0.0 0.4 226640 4716 ? S 16:10 0:00 php-fpm: pool www
php-fpm 6223 0.0 0.4 226640 4712 ? S 16:10 0:00 php-fpm: pool zhouqun.com
[root@host vhost]# vim /usr/local/nginx/conf/vhost/aaa.com.conf
location ~ \.php$
{
include fastcgi_params;
fastcgi_pass unix:/tmp/zhouqun.sock; //把fastcgi_pass地址改为和php-fpm.conf中一样的地址就可以
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /data/wwwroot/default$fastcgi_script_name;
}
为了便于管理,可以将php-fpm中的每个pool单独进行管理。进行如下操作,添加php-fpm子配置文件:
[root@host vhost]# 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 //添加
#在全局变量版块添加参数“include = etc/php-fpm.d/*.conf”。然后可以清除php-fpm配置文件中其他参数,再到php-fpm.d目录下进行单独设置。
[root@host vhost]# cd /usr/local/php-fpm/etc/
[root@host etc]# mkdir php-fpm.d
[root@host etc]# cd php-fpm.d/
[root@host php-fpm.d]# vim 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@host php-fpm.d]# vim zhouqun.conf
[zhouqun.com]
listen = /tmp/zhouqun.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@host php-fpm.d]# /usr/local/php-fpm/sbin/php-fpm -t
[16-Aug-2017 16:49:17] NOTICE: configuration file /usr/local/php-fpm/etc/php-fpm.conf test is successful
[root@host php-fpm.d]# /etc/init.d/php-fpm reload
Reload service php-fpm done
查看php-fpm进程信息还是使用ps命令。
php网站莫名的访问很慢,可以通过慢执行日志找到症结所在,所以满日志非常重要,php网站强烈推荐使用LNMP架构搭建。
[root@host php-fpm.d]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf
……
request_slowlog_timeout = 1 //当请求超过1秒开始记录日志
slowlog = /usr/local/php-fpm/var/log/www-slow.log //日志存放地址
检测并重加载
[root@host php-fpm.d]# /usr/local/php-fpm/sbin/php-fpm -t
[root@host php-fpm.d]# /etc/init.d/php-fpm reload
在使用www pool的站点添加文件:
[root@host php-fpm.d]# vim /data/wwwroot/test.com/sleep.php //创建一个.php文件,故意让它休眠2秒,让它运行缓慢
<?php
echo "test slow log";
sleep(2);
echo "done";
?>
[root@host php-fpm.d]# curl -x127.0.0.1:80 test.com/sleep.php
test slow log done
[root@host php-fpm.d]# tail /usr/local/php-fpm/var/log/www-slow.log
[12-Sep-2017 23:42:23] [pool www] pid 4236
script_filename = /data/wwwroot/test.com/sleep.php
[0x00007fe027r0e2f5] sleep() /data/wwwroot/test.com/sleep.php:3 //显示文件的第三行导致的访问慢,因为第三行就是sleep命令
在php-fpm服务中,当一台服务器跑多个网站时,用open_basedir限定各个站点所能访问的服务器上的目录的范围,可以针对每个pool设定open _ basedir。
[root@host ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf
……
php_admin_value[open_basedir]=/data/wwwroot/test.com:/tmp/ //修改
[root@host php-fpm.d]# vim /data/wwwroot/test.com/1.php
<?php
echo "This is a test php of open_basedir";
[root@host php-fpm.d]# curl -x127.0.0.1:80 test.com/1.php
This is a test php of open_basedir
php-fpm中pool配置参数解析:
[root@host php-fpm.d]# vim www.conf
[www]
listen = /tmp/php-fcgi.sock
listen.mode = 666
user = php-fpm
group = php-fpm
pm = dynamic
#设置进程启动方式(dynamic表示动态,static表示静态)
#只有此处设置为dynamic,下面的配置才生效
pm.max_children = 50 //最多可启动的子进程数量
pm.start_servers = 20 //设定初始启动的进程数量
pm.min_spare_servers = 5 //表示php-fpm空闲时最少要有几个子进程
pm.max_spare_servers = 35 //表示php-fpm空闲时最多要有几个子进程
pm.max_requests = 500 //表示一个子进程最多可接受多少个请求
rlimit_files = 1024 //表示每个子进程打开的多少个文件句柄
request_slowlog_timeout = 1 //当请求超过1秒开始记录日志
slowlog = /usr/local/php-fpm/var/log/www-slow.log //日志存放地址
php_admin_value[open_basedir]=/data/wwwroot/test.com:/tmp/