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by AaronFriel 2767 days ago
Hyperdex Warp - I'm not sure if it's still available - which purports to provide serializability over multi-key transactions. In the HyperDex model that means over all defined spaces in the cluster. That's a stronger guarantee than DynamoDB provides, which is still susceptible to phantom reads. The DynamoDB team ought to be aware of it, because it's one of the first hits for "multi-key transactions" and the paper is an important one for designing transactions on KVS.

https://arxiv.org/pdf/1509.07815.pdf