FastCGI Process Manager (FPM) is an alternative PHP FastCGI implementation with some additional features useful for heavy-loaded sites. These features include adaptive process spawning, advanced process management, and the ability to start workers with different uid/gid/chroot/environment. FPM is particularly suited for sites experiencing high traffic, providing a robust way to manage PHP processes efficiently. It enhances performance, handling, and the management of PHP requests, making it a valuable tool in scalable web hosting environments.
