Do You Even Need a Database? - DB Pro Blog

We built the same HTTP server in Go, Bun, and Rust using two storage strategies: read the file on every request, or load everything into memory. Then we ran real benchmarks. The results are more interesting than you'd expect.

At some point, don't you just end up making a low-quality, poorly-tested reinvention of SQLite by doing this and adding features?
Probably more like a low-quality, poorly-tested reinvention of BerkeleyDB.