I'm not at all associated with the Cockroach folks, but I'm pretty sure they actually do use MVCC, and the description they gave in this post is a simplificatio

I'm not at all associated with the Cockroach folks, but I'm pretty sure they actually do use MVCC, and the description they gave in this post is a simplification of the actual implementation. At least, there are a bunch of references to MVCC in their codebase: https://github.com/cockroachdb/cockroach/tree/master/storage/engine https://github.com/cockroachdb/cockroach/tree/master/storage...