PHP的pool(配置pool的两种方法)
法1:直接编辑php-fpm.conf配置文件
[root@DasonCheng ~]# 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 = 192.168.60.11:9000
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
[aming] //添加这一部分,直接复制www,修改名字和sock即可!
listen = /tmp/aming.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
法2:增加php-fpm目录并添加编辑.conf文件(先删掉php-fpm.conf的pool)
[root@DasonCheng ~]#vim /usr/local/php/etc/php-fpm.conf
include = etc/php-fpm.d/*.conf //在[global]部分增加这一行
……
[root@DasonCheng ~]#mkdir /usr/local/php/etc/php-fpm.d/
[root@DasonCheng ~]#cd /usr/local/php/etc/php-fpm.d/
[root@DasonCheng ~]#vim www.conf //内容如下
[www]
listen = /tmp/www.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
……
继续编辑配置文件
[root@DasonCheng ~]#vim aming.conf //内容如下
[aming]
listen = /tmp/aming.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
……
/usr/local/php/sbin/php-fpm –t
/etc/init.d/php-fpm restart
测试结果:
[root@DasonCheng ~]# /usr/local/php-fpm/sbin/php-fpm -t
[root@DasonCheng ~]# /etc/init.d/php-fpm reload
……
php-fpm 3471 0.0 0.4 228756 4740 ? S 08:59 0:00 php-fpm: pool aming
php-fpm 3472 0.0 0.4 228756 4740 ? S 08:59 0:00 php-fpm: pool aming
php-fpm 3473 0.0 0.4 228756 4740 ? S 08:59 0:00 php-fpm: pool aming
php-fpm 3474 0.0 0.4 228756 4736 ? S 08:59 0:00 php-fpm: pool www
php-fpm 3475 0.0 0.4 228756 4736 ? S 08:59 0:00 php-fpm: pool www
php-fpm 3476 0.0 0.4 228756 4736 ? S 08:59 0:00 php-fpm: pool www
……
OK!
引用是啥子
这就是引用
12.22 php-fpm慢执行日志
vim /usr/local/php-fpm/etc/php-fpm.d/www.conf//加入如下内容
request_slowlog_timeout = 1
slowlog = /usr/local/php-fpm/var/log/www-slow.log
配置nginx的虚拟主机test.com.conf,把unix:/tmp/php-fcgi.sock改为unix:/tmp/www.sock
重新加载nginx服务
vim /data/wwwroot/test.com/sleep.php//写入如下内容
<?php echo “test slow log”;sleep(2);echo “done”;?>
curl -x127.0.0.1:80 test.com/sleep.php
cat /usr/local/php-fpm/var/log/www-slow.log
500 internet server error 表示:语法错误!
有错误怎么办? 查看日志呗 -_-
1、编辑pool加入慢执行日志请求:
[root@DasonCheng ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf
request_slowlog_timeout = 1
slowlog = /usr/local/php-fpm/var/log/www-slow.log
注意:vhost/test.conf虚拟主机配置文件:php编译部分,需要和pool池内容一致!
2、增加sleep慢页面:
[root@DasonCheng ~]# vim /data/wwwroot/test.com/sleep.php
<?php
echo "test slow log";
sleep(2);
echo "done";
?>
测试:
[root@DasonCheng ~]# curl -x127.0.0.1:80 test.com/sleep.php //这里停顿了2秒;
test slow logdone[root@DasonCheng ~]#
查看日志:
[root@DasonCheng ~]# cat /usr/local/php-fpm/var/log/www-slow.log
[17-Aug-2017 10:08:59] [pool www] pid 3762
script_filename = /data/wwwroot/test.com/sleep.php
[0x00007f857d7052e0] sleep() /data/wwwroot/test.com/sleep.php:3 //显示了这个页面的第三行,导致慢日志!
另一种测试:在浏览器访问页面的时候及时反馈报错!(线上是需要Off的)
[root@DasonCheng ~]# vim /usr/local/php-fpm/etc/php.ini
; Production Value: Off
; http://php.net/display-errors
display_errors = On //开启这个错误日志;
……
[root@DasonCheng ~]# /usr/local/php-fpm/sbin/php-fpm -t
[17-Aug-2017 10:14:40] NOTICE: configuration file /usr/local/php-fpm/etc/php-fpm.conf test is successful
[root@DasonCheng ~]# /etc/init.d/php-fpm reload
Reload service php-fpm done
[root@DasonCheng ~]# curl -x127.0.0.1:80 test.com/sleep.php //直接报页面语法错误:
<br />
<b>Parse error</b>: syntax error, unexpected ';' (T_STRING), expecting ',' or ';' in <b>/data/wwwroot/test.com/sleep.php</b> on line <b>4</b><br />
12.23 php定义open_basedir
open_basedir 作用:将用户可操作的文件限制在某目录下;
vim /usr/local/php-fpm/etc/php-fpm.d/aming.conf//加入如下内容
php_admin_value[open_basedir]=/data/wwwroot/aming.com:/tmp/
创建测试php脚本,进行测试
再次更改aming.conf,修改路径,再次测试
配置错误日志!!
再次测试
查看错误日志
1、编辑.conf配置文件:
[root@DasonCheng ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf
……
php_admin_value[open_basedir]=/data/wwwroot/aming.com:/tmp/ //加入这一行;路径故意写错了
2、创建测试脚本:
[root@DasonCheng ~]# vim /data/wwwroot/test.com/1.php
<?php
echo "test ok!";
?>
3、测试:(先重新加载)
[root@DasonCheng ~]# /usr/local/php-fpm/sbin/php-fpm -t
[17-Aug-2017 10:43:00] NOTICE: configuration file /usr/local/php-fpm/etc/php-fpm.conf test is successful
[root@DasonCheng ~]# /etc/init.d/php-fpm reload
Reload service php-fpm done
[root@DasonCheng ~]# curl -x127.0.0.1:80 test.com/1.php
//open_basedir路径定义错误 报错了,我们接下来配置一些日志!
No input file specified.
[root@DasonCheng ~]# curl -x127.0.0.1:80 test.com/1.php -i
HTTP/1.1 404 Not Found
Server: nginx/1.12.1
Date: Thu, 17 Aug 2017 02:43:53 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/5.6.30
No input file specified.
[root@DasonCheng ~]#
4、配置错误日志:
display_errors = Off
……
log_errors = On //保证log_errors是on开启状态;1
……
;error_log = php_errors.log
; Log errors to syslog (Event Log on Windows).
;error_log = syslog
error_log=/usr/local/php-fpm/var/log/php_errors.log //定义错误日志文件;2
……
; http://php.net/error-reporting
;error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT //注释掉这行;
error_reporting = E_ALL //定义reporting日志级别!3
……
重新加载
[root@DasonCheng ~]# /usr/local/php-fpm/sbin/php-fpm -t
[17-Aug-2017 10:54:20] NOTICE: configuration file /usr/local/php-fpm/etc/php-fpm.conf test is successful
[root@DasonCheng ~]# /etc/init.d/php-fpm reload
Reload service php-fpm done
[root@DasonCheng ~]# ll /usr/local/php-fpm/var/log/
总用量 16
-rw-r--r--. 1 root root 256 8月 17 10:54 php_errors.log
-rw-------. 1 root root 8107 8月 17 10:54 php-fpm.log
-rw-------. 1 root root 640 8月 17 10:19 www-slow.log
[root@DasonCheng ~]# chmod 777 /usr/local/php-fpm/var/log/php_errors.log
//重新加载的时候已经自动创建了php_errors.log但权限不够,我们赋予777;
5、查看错误日志:
[root@DasonCheng ~]# curl -x127.0.0.1:80 test.com/1.php
No input file specified.
[root@DasonCheng ~]# cat /usr/local/php-fpm/var/log/php_errors.log
[17-Aug-2017 02:54:20 UTC] PHP Deprecated: Comments starting with '#' are deprecated in Unknown on line 1 in Unknown on line 0
[17-Aug-2017 02:54:26 UTC] PHP Deprecated: Comments starting with '#' are deprecated in Unknown on line 1 in Unknown on line 0
[17-Aug-2017 03:02:35 UTC] PHP Warning: Unknown: open_basedir restriction in effect. File(/data/wwwroot/test.com/1.php) is not within the allowed path(s): (/data/wwwroot/aming.com:/tmp/) in Unknown on line 0
//貌似是路径的问题,我们将aming.com修改为test.com!
[17-Aug-2017 03:02:35 UTC] PHP Warning: Unknown: failed to open stream: Operation not permitted in Unknown on line 0
[root@DasonCheng ~]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf
……
php_admin_value[open_basedir]=/data/wwwroot/test.com:/tmp/
[root@DasonCheng ~]# /etc/init.d/php-fpm reload //重新加载;
[root@DasonCheng ~]# curl -x127.0.0.1:80 test.com/1.php
test ok![root@DasonCheng ~]#
OK!访问成功!
12.24 php-fpm进程管理
pm = dynamic //动态进程管理,也可以是static
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。