File path: /etc/php-fpm.d/www.conf

pm = dynamic
pm.max_children = 32
pm.start_servers = 8
pm.min_spare_servers = 8
pm.max_spare_servers = 16
Copy the code

The calculation rule is pm.start_servers = pm.min_spare_servers = CPU cores

pm.max_spare_servers = cores x 2

pm.max_children = cores x 4