TYPO3 is an enterprise content management system, so it is thread safe—meaning two instances of the script can be executed simultaneously, and they will run in parallel without interfering with each other. Therefore, Apache can be set up with
mod_fcgid and PHP processes will be allowed to run in parallel.
This setup is not recommended if you have a server with only one or two core processor.
Shell> apt-get install libapache2-mod-fcgid apache2-mpm-worker php5-cgi Shell> a2enmod actions Shell> a2enmod fcgid
<IfModule mod_fcgid.c> AddHandler fcgid-script .fcgi SocketPath /var/lib/apache2/fcgid/sock ...