Event-driven systems are good at moving work asynchronously, but they introduce an uncomfortable property: you rarely control how many times an event gets delivered. A webhook can be retried. A queue can redeliver a message when a worker crashes. Two workers can process the same message concurrently. The difficult part is not detecting duplicate... Weiterlesen
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Preventing Duplicate Side Effects in Event-Driven Systems
Event-driven systems are good at moving work asynchronously, but they introduce an uncomfortable property: you rarely control how many times an event gets delivered. A webhook can be retried. A queue can redeliver a message when a worker…
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