Explanation of the Last 3 Bytes
- The final 3 BSON Object ID are created by a static counter which is increased incrementally to 64 bits.
- This counter makes sure that the values are unique through the provision of a uniquely generated ID for all identified entities.
- However, the counter’s localized reach gives APIs the ability to offer variation to the website visitors.
- Each time this code is run, the counter value is increased and the new ID is unique.
What are the Possibility of Duplicate Mongo ObjectId’s in Two Different Collections?
MongoDB’s BSON Object IDs are important for uniquely identifying documents within collections. While these IDs are designed to be unique within a collection there is often confusion about their uniqueness across different collections.
In this article, we will learn about the factors that determine the Probability of duplicate MongoDB Object IDs being generated in two different collections.