Top Architect

Jan 31, 2023 · Backend Development

Solving Kafka Message Duplication with Idempotent Producer, Transactions, and Consumer Idempotence

This article explains why message duplication occurs in Kafka pipelines, describes the three delivery semantics, and provides three practical solutions—Kafka idempotent producer, Kafka transactions, and consumer‑side idempotence—along with configuration tips and code examples.