Too many email notifications: The threshold of Apache & PHP-FPM memory usage has been exceeded

Symptoms

• Email notifications are received too often with the following message:

  The threshold of Apache & PHP-FPM memory usage has been exceeded

• The Monitoring section shows plenty of free or cached memory available.

Cause

Apache & PHP-FPM threshold is set too low.

Solution

1. Log into Plesk.
2. Go to Monitoring > Settings > Thresholds.
3. Set a higher percentage/size under Apache & PHP-FPM memory usage.
4. Click Apply.

Alternatively Monitoring email notifications can be turned off altogether.

Additional information

Plesk documentation: Monitoring