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I feel like the author is making a huge omission by not talking about the properties of multi-raft sharded DBs coupled with the TrueTime-like APIs from cloud providers in 2018. He links to a post from the CEO of CockroachDB written in early 2016, and Amazon launched their TimeSync service in 2017.

It's likely that Spencer would have something different to say about the matter today.

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> I feel like the author is making a huge omission by not talking about the properties of multi-raft sharded DBs coupled with the TrueTime-like APIs from cloud providers in 2018.

I mean this is all fine and dandy if it works (plus, how do know that it actually works in all the edge cases?), but that's a HUGE amount of complexity. IMO you really need to have a very good reason to even consider anything this complex.

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