Because Drupal Commons 3.x is a Drupal 7 distribution that includes several additional Acquia-identified or developed modules, the best resource for hardware and software requirements is the System requirements page on drupal.org.
Additional PHP requirements
Drupal Commons has the following additional PHP requirements:
- The GD graphics library must be available.
- Your environment's
php.inifile requires the following PHP settings:
max_execution_time- Greater than or equal to 120 seconds
memory_limit- Greater than or equal to 128MB (190MB recommended)
mod_rewrite- Must be enabled
apc.shm_size- Greater than or equal to 96MB (only required if using APC)
Installing Drupal Commons
After you've confirmed that your server meets the hardware, software, and PHP requirements for Drupal Commons, visit Installing Drupal Commons for information about how to download and install Drupal Commons in your environment.