build1 publisher
A pod restart between charging and committing the offset bills the customer twice
Kafka promises at-least-once delivery, so a consumer that dies after the payment call but before the commit replays the event on restart. A dev.to tutorial puts the guard in a database primary key, keyed on an event ID the producer sets.
Publishers:dev.to
Reality
- Evidence60
- Adoption
- Insufficient
- Hype gap+20
- Incentives25
- Confidence55