[PHP-FPM] Fix fastcgi timeouts

data/conf/phpfpm/php-fpm.d/pools.conf

@@ -18,9 +18,9 @@ user = www-data
 group = www-data
 pm = dynamic
 pm.max_children = 50
-pm.start_servers = 2
-pm.min_spare_servers = 2
-pm.max_spare_servers = 4
+pm.start_servers = 10
+pm.min_spare_servers = 10
+pm.max_spare_servers = 15
 listen = [::]:9002
 access.log = /proc/self/fd/2
 clear_env = no