You may be interested in a paper written by the Ceph team: "File Systems Unfit as Distributed Storage Backends: Lessons from 10 Years of Ceph Evolution" https:

You may be interested in a paper written by the Ceph team: "File Systems Unfit as Distributed Storage Backends: Lessons from 10 Years of Ceph Evolution" https://www.pdl.cmu.edu/PDL-FTP/Storage/ceph-exp-sosp19.pdf https://www.pdl.cmu.edu/PDL-FTP/Storage/ceph-exp-sosp19.pdf There are definitely some significant benefits you can get from managing your own storage, rather than using a filesystem.