Remove old records in mongodb based on Month

Question

I am trying to delete Older records present in my collection .

I have a collection named \"user_track\" , which consists of data in this format shown below

Answer 1

Mongo has a TTL feature on collections, I think this is a nice solution to such cases:

https://docs.mongodb.com/manual/tutorial/expire-data/

Basically something like:

db.log_events.createIndex( { "createdAt": 1 }, { expireAfterSeconds: 3600 } )