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by tene 2161 days ago
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

There are definitely some significant benefits you can get from managing your own storage, rather than using a filesystem.