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Kafka's exactly-once transaction ends where your consumer calls the payment gateway
A dev.to post argues that processing.guarantee=exactly_once_v2 charges coordination overhead to every message and still leaves external side effects for you to deduplicate by hand. The five-line alternative it offers has a gap of its own.
Publishers:dev.to
Reality
- Evidence45
- Adoption
- Insufficient
- Hype gap+25
- Incentives40
- Confidence45