Conditions:**

We configured Zabbix to send all events to a custom php script dealing with all notifications. Thus there are a lots' of action linked to our problems.

Steps to reproduce:

1. configure your account to display ~150 rows on the same page
2. Navigate to problem.view

Result:

White page/error 500/out of memory

Analyze:
see memory profile.png - it seems CAlert::get is leading to very large memory consumption.

Workaround/solution:

within include/actions.inc.php, function getEventsAction, when calling API::Alert()->get(), I added a new options: 'time_from' => time()-86400 .

This limit the number of Action it fetch and make everyting working again.

The best solution would probably be to fetch max n actions of each event where n would be configurable somewhere.

Bottom line:

Thanks for all your great work!