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I don’t know why the author is surprised that Postgres offers stronger guarantees than serializability in practice. Serializability per se allows anomalies that

I don’t know why the author is surprised that Postgres offers stronger guarantees than serializability in practice. Serializability per se allows anomalies that would be disastrous in practice: http://dbmsmusings.blogspot.com/2019/06/correctness-anomalies-under.html http://dbmsmusings.blogspot.com/2019/06/correctness-anomalie....

aphyr 6y ago
It's not particularly surprising, but it is noteworthy. Other systems I've tested have offered serializability but not strict serializability: for instance, CockroachDB.