Piotr Sarna

In certain terms this crate already is production-ready, because it's known to be used in production environments (including dogfooding at ScyllaDB by using https://github.com/piodul/cql-stress for tests, coming soon). But if...

This server is only used for incoming data. Most Internet service providers block ports used for sending email to avoid spam and abuse, so sending mail is not part of...

@wyfo feel free to post a PR which adds a corresponding paragraph in CONTRIBUTING.md. As long as default `cargo fmt` is fine with your proposal, I am too (: @piodul?

Sounds great, nightly isn't an issue for CI indeed, we can add another job that does validation on a nightly toolchain. A paragraph in CONTRIBUTING.md can't hurt either way, but...

FYI: I successfully rekeyed a libsql-server database offline with the steps above, to verify that the idea makes sense

This operation has the same space amplification as VACUUM, which we already do periodically, so it's no worse. What we can definitely add is a validation, which refuses to rekey...