[gavinray]

Well, I eat my shorts.

Isn't LMBD closer to an embedded key-value store than an RDBMS, though? Also there's a section in the paper that mentions it's single-writer.

[hyc_symas]

Yes, LMDB is an embedded key/value store but it can be used as the backing store of any other DB model you care for. E.g. as a backend to MySQL, or SQLite, or OpenLDAP, or whatever.