Hi, I have updated it with some additional stackoverflow links, you can see many people have struggled with similar issues over time.
Think about it. They’re sending you data. You’re processing that data. If you don’t delete that data then it’s going to persist especially if you don’t do anything about it. Here’s a suggestion - do something about it! Clear unnecessary data immediately after it’s not needed so you don’t have to rely on python/django’s crappy garbage collection.