matchy

Not LSM, all BTrees, but the rest is correct.

MongoDB has full ACID support in the Database.

can’t compare to Mongo as I have had somewhat limited experience with it

Doesn’t seem to stop most people here.

Amazon doesn’t offer hosted MongoDB service - it’s some other documentDB with sort of compatible API. How can you compare them directly ?

AGPL hasn’t really been tested in court so it’s not clear whether it would be enough to stop someone from running your software as a service.