linux

As Irakli already discussed, the Alternative PHP Cache (APC) is an op-code pre-compiler and a cache system that can boost the performance of a PHP application up to 10 times. Op-code caches are very effective for a Drupal website, since Drupal deals with large number of source files and time spent in parsing them significantly affects performance.

However, if you don’t have XAMPP and need to install it on CentOS, you can follow this guide to get around some of the problems that happen with the default server settings.