Deleting completed reminders used massive amounts of RAM and CPU

Originator:jon.baumgartner
Number:rdar://34953671 Date Originated:10/12/2017
Status: Resolved:
Product:Reminders Product Version:4.0 (441.11)
Classification:Serious Bug Reproducible:Always
 
Wanted to clean out old completed reminders. Doing so caused Reminders to become non responsive for half an hour or more, using 99% of the CPU, and consuming upwards of 12 GBs of RAM. After completing, it only released a portion of this memory. It is now the next day, and Reminders is still showing memory use of 7.35 GBs.

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