You need to insert 1,000 documents into @MongoDB. You can either call insertMany() with the default session, which provides per-document ACID guarantees, or run it in a transaction so the entire batch is all-or-nothing. Which approach is faster?
https://dev.to/franckpachot/mongodb-transaction-performance-4dc7
🌱 TL;DR: it's the same. Choose the consistency boundaries based on your application, not myths or guesses.