https://github.com/slatedb/slatedb will, I expect, use this at some point. Object backed DB, which is open source.
Yes! I’m actively working on it, in fact. We’re waiting on the next release of the Rust `object_store` crate, which will bring support for S3’s native conditional puts.
If you want to follow along: https://github.com/slatedb/slatedb/issues/164