The best you can do is two-phase commit. | Hacker News

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		coops on March 26, 2015 \| parent \| context \| favorite \| on: You Cannot Have Exactly-Once Delivery The best you can do is two-phase commit.

dyladan on March 26, 2015 [–]

I would caution that a two-phase commit is not always the best you can do. A two-phase commit is blocking and in event of failure during processing it can cause a deadlock. A three-phase commit offers the same level of guarantee but without blocking.

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