Multiple ChoiceHard 45s
Compensating transaction design
In a saga, what must a compensating action be to be safe under retries?
Options
- 1Synchronous and blocking so the saga waits for it to fully complete
- 2Idempotent, so repeated invocations do not over-compensate
- 3Stateful and order-dependent so it relies on prior observed state
- 4Guaranteed never to fail under any circumstances at all
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