Nginx-php-multi-pool

nginx.conf

upstream php-pools {
    server 203.128.86.100:9000;
    server 203.199.86.101:9000;
    server 203.199.86.102:9000;
    server 203.199.86.103:9000;
}

server {
    listen 8080;
    server_name patrickz.iiwnz.com;
    root /app;
    
    location ~ \.php$ {
        fastcgi_pass phppool;
        fastcgi_index index.php;
        include fastcgi.conf;
    }
}

php-fpm

#php-fpm.d/www.conf

[www]
user = daemon
group = daemon
###########################
listen = 9000
###########################
pm = ondemand
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3