PHP Tuning
OPCache
Konfiguration in /etc/php5/apache2/php.ini:
opcache php 5.5.x settings, as of
; http://www.hostingadvice.com/how-to/enable-php-5-5-opcache-ubuntu-14-04/
opcache.enable=1
opcache.memory_consumption=256
opcache.max_accelerated_files=4000
opcache_revalidate_freq = 240
Visualisierung/Monitoring: wget https://raw.github.com/rlerdorf/opcache-status/master/opcache.php