> ...creating the equivalent of a WAL-like system or oplog to protect against sudden failure & loss of in-memory data is a pretty easy part to solve That's a p

> ...creating the equivalent of a WAL-like system or oplog to protect against sudden failure & loss of in-memory data is a pretty easy part to solve That's a pretty bold claim. Judging by the number of applications (including "real" databases) which fail to get this right, I'd have to say it's probably harder than you think. Besides, SQLite has done that work already, and has done so very thoroughly. I would definitely trust SQLite over something home-grown.