update worker base on system

php-fpm-tuning.sh

#!/bin/bash

# Get the total system memory in MB
total_memory=$(awk '/MemTotal/ {print $2}' /proc/meminfo)

# Calculate the amount of memory to use for PHP-FPM workers
memory_per_worker=$((total_memory / 8 / 1024))

# Get the number of CPU cores
cpu_cores=$(grep -c ^processor /proc/cpuinfo)

# Set the number of PHP-FPM workers to the number of CPU cores
worker_processes=$cpu_cores

# Update the www.conf file with the calculated values
sed -i "s/^pm.max_children.*/pm.max_children = $worker_processes/" /etc/php/7.4/fpm/pool.d/www.conf
sed -i "s/^pm.start_servers.*/pm.start_servers = $((worker_processes / 2))/" /etc/php/7.4/fpm/pool.d/www.conf
sed -i "s/^pm.min_spare_servers.*/pm.min_spare_servers = $((worker_processes / 4))/" /etc/php/7.4/fpm/pool.d/www.conf
sed -i "s/^pm.max_spare_servers.*/pm.max_spare_servers = $((worker_processes / 2))/" /etc/php/7.4/fpm/pool.d/www.conf
sed -i "s/^pm.max_requests.*/pm.max_requests = 500/" /etc/php/7.4/fpm/pool.d/www.conf
sed -i "s/^php_admin_value\[memory_limit\].*/php_admin_value[memory_limit] = ${memory_per_worker}M/" /etc/php/7.4/fpm/pool.d/www.conf

# Restart the PHP-FPM service to apply the changes
systemctl restart php7.4-fpm