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I would also think, OSes that tend to emphasize their primary file systems as 'the distributed memory', like DragonFly BSD -- would benefit significantly.

I am speculating, of course, but the whole Hammer 2 design of DF BSD emphasizes cross-machine 'database-like' file system, with built-in transparent state snapshots, state-branches, etc. [1].

So with this new type of persistent storage, DF's Hammer2 could erase the difference between 'persistent state' and in-memory-only state.

Therefore eliminating the need for reconciliations, application-specific backups, and application-specific distributed architectures.

[1] http://apollo.backplane.com/DFlyMisc/hammer2.txt




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