RSS Feed/News Alert pruning leads to memory exhaustion on a busy forum

[ENXF NET]

On a busy forum with a very busy alert table -around 8m records- hourly cron task fails due to memory exhaustion. The responsible part of the task is the alert pruning. The memory usage easily exceeds 256 MB which is the limit I use which is not low. I was able to overcome this only by using @Xon's Alert Improvements add-on which has a solution for this.

Continue reading...