December 3, 2018 Alan Seiden
In my experience doing performance audits, I often point out that while PHP for IBM i comes perfectly configured for small applications, it must often be tuned to handle large workloads. When applications must accommodate hundreds or thousands of users, or use AJAX technology, two easy changes should be considered for PHP and Apache configurations.
1. PHP_FCGI_CHILDREN Setting In fastcgi.conf
On IBM i, Zend Server installs a configuration file called fastcgi.conf. Among other settings, it includes PHP_FCGI_CHILDREN, which determines how many PHP jobs run when its Apache server is started. The file — /www/zendphp7/conf/fastcgi.conf (Zend Server 9 or higher) or …Read more