What does php-fpm mean?
PHP-FPM (FastCGI Process Manager: FastCGI Process Manager) is a PHPFastCGI manager. For PHP before PHP 5.3.3, it is a patch package designed to integrate FastCGI process management into PHP packages. If you are using PHP before PHP 5.3.3, you must patch it to your PHP source code, and you can use it after compiling and installing PHP.
Compared with Spawn-FCGI, PHP-FPM has better control in CPU and memory, and the former is easy to crash and must be monitored with crontab, while PHP-FPM does not have such troubles.
PHP-FPM provides a better PHP process management method, which can effectively control memory and processes, and can smoothly reload PHP configuration. It has more advantages than spawn-fcgi, so it is officially included by PHP.
Recommended: "PHP Tutorial"
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