[vhanda]

I do remember the author of LMDB [0] porting some parts of sqlite to use lmdb instead, and then talking about the results. A quick googling doesn't seem to give me a result though.

[0] - http://www.lmdb.tech/doc/

[acrispino]

https://github.com/LMDB/sqlightning

https://github.com/LumoSQL/LumoSQL