Memory size exhausted when trying to run Cron manually On my Drupal 6 website, when I run cron manually the following error message shows up:

Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 4181580 bytes) in /dirname/includes/database.mysql-common.inc on line 34

Cron is set to run every night automatically, but for a few days it was not running, so I tried it manually.

For Drupal, where should I increase memory? Should it be in settings.php, php.ini for php, or somewhere else? I'm using AWS RDS &amp; EC2 instances.

I have this in the settings.php file:

ini_set('memory_limit', '128M');


Some help would be much appreciated.
All you need to do is increase your PHP Memory Limit from 128M to 265M

In settings.php:

ini_set('memory_limit', '256M')


For more info/other ways to change it, see Changing PHP memory limits