"Send multiple times from D to Q and deduplicate with a UUID" (idempotency) is w... | Hacker News

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mrkeen 63 days ago | parent | context | favorite | on: Postgres transactions are a distributed systems su...

"Send multiple times from D to Q and deduplicate with a UUID" (idempotency) is well short of "insert into both D and Q or neither" (atomicity)

jayd16 63 days ago [–]

What are you saying here? I'm pointing out that you need to be ok with the lack of exactly once transaction between O and Q. Maybe you're agreeing and simply saying that's a fine?

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