Auto drafts has a maximum limit of 100 drafts.
Once the limit of 100 drafts is reached, the oldest auto draft will get purged automatically, to allow the new draft to be created, this process ensures the maximum limit of 100 auto drafts.
Once the auto draft count reaches 100, it never goes below 100 due to the cyclical nature.
Capacity dashboard has an alarm for Distributed Firewall auto drafts, this alarm has a threshold of 70%, so once there is 70 or more auto drafts, it will trigger as an alert.
Once it reaches 100% (100 auto drafts), it will trigger an ERROR.