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A comment on You Cannot Have Exactly-Once Delivery. Parent comment

Re:You Cannot Have Exactly-Once Delivery by sokoloff on Wednesday March 01, 2023 @02:30PM (#34987097)
Not exactly. If you have a business problem where you’re thinking “But I really, really need the effect of exactly-once; what can I do?”, GP’s post has the answer.
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Re:You Cannot Have Exactly-Once Delivery by fsckboy on Wednesday March 01, 2023 @02:40PM (#34987222)
OP's idea should be

idempotence + at least once

idempotence isn't necessarily commutative.

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