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Preventing Duplicate Events in Kafka with Idempotent and Transactional Producers

Learn how Kafka’s idempotent and transactional producer APIs eliminate duplicate records caused by retries, and how to configure them safely for exactly‑once semantics in production pipelines.

apachekafka apache-kafkaTasadduq Burneyowner29.3K rep · 13 Nov 2025, 19:46 UTC