Backup optimizations always involve costs. However, currently, we only have access to the number of GB we are consuming. I'm not able to tell which snapshots are full or incremental. Also, when Continuous Backup is enabled, I can't see how much I'm spending on oplogs and snapshots.

Without that information, I can't figure out if it would be better to reduce the Point-in-Time window, delete old snapshots, or change the snapshot policy.

I went through these documentation, but I still miss the actual sizes of snapshots and logs to make the correct decision.
- https://support.mongodb.com/article/000021504
- https://support.mongodb.com/article/000021099