PHP-FPM on highload tips

最新推荐文章于 2021-03-10 00:27:04 发布

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本文提供了一系列优化高负载网站使用PHP-FPM的FastCGI的建议，包括模块编译、增加子进程数量、使用SOCKET、提高最大打开文件数限制、设置PHP-FPM的open file description限制以及使用代码加速器。

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When you running a highload website with PHP-FPM via FastCGI, the
following tips may be useful to you : )

1. Compile PHP's modules as less as possible, the simple the best
(fast);

2. Increas PHP FastCGI child number to 100 and even more. Sometime,
200 is OK! ( On 4GB memory server);

3. Using SOCKET PHP FastCGI, and put into /dev/shm on Linux;

4. Increase Linux "max open files", using the following command (must
be root):
# echo 'ulimit -HSn 65536' >> /etc/profile
# echo 'ulimit -HSn 65536 >> /etc/rc.local
# source /etc/profile

5. Increase PHP-FPM open file description rlimit:
# vi /path/to/php-fpm.conf
Find "<value name="rlimit_files">1024</value>"
Change 1024 to 4096 or higher number.
Restart PHP-FPM.

6. Using PHP code accelerator, e.g eAccelerator, XCache. And set
"cache_dir" to /dev/shm on Linux.