I think AWS will need to update their documentation to communicate this. Will a snapshot isolation fix introduce a performance regression in latency or throughput? Or, maybe they stand by what they have as being strong enough. Either way, they'll need to say something.
I agree, but I have a feeling this isn't a small fix. Sounds like someone picked a mechanism that seemed to be equivalent but is not. Swapping that will require a lot of time and testing.
there is no trivial fix for this without breaking performance.
roughly, there is no free lunch in distributed systems, and AWS made a tradeoff to relax consistency guarantees for that specific setup, and didn't really advertise that
It looks like a bug, but the problem is the documentation does not detail what guarantees are offered in this scenario, but would love if somebody could point me where it does...
