Umbra: A Disk-Based System with In-Memory Performance, CIDR'20

https://db.in.tum.de/~freitag/papers/p29-neumann-cidr20.pdf

Yep, and the work on https://www.cs.cit.tum.de/dis/research/leanstore/ that preceded it.

And CedarDB https://cedardb.com/ the more commercialized product that is following up on some of this research, including employing many of the key researchers.