It's a complex tradeoff. It depends on the specific workload which scheme is better. There's no clear winner. This is why it's being introduced as a pluggable c

It's a complex tradeoff. It depends on the specific workload which scheme is better. There's no clear winner. This is why it's being introduced as a pluggable choice vs a wholesale change. Andy Pavlo's class has a lot of good general information on the topic: https://15721.courses.cs.cmu.edu/spring2020/slides/03-mvcc1.pdf https://15721.courses.cs.cmu.edu/spring2020/slides/03-mvcc1....