How To set max_children for PHP-FPM
[Total Available RAM] - [Reserved RAM] - [10% buffer] = [Available RAM for PHP] ...Results: [Available RAM for PHP] / [Average Process Size] = [max_children] ...pm.max_children = [max_children] ...pm.start_servers = [25% of max_children] ...pm.min_spare_servers = [25% of max_children] ...pm.max_spare_servers = [75% of max_children]