Bug Alert pruning leads to memory exhaustion on a busy forum

There is a bug in this version
M

MilkyMeda

Guest
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.

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