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Exactly-once Stream Processing with Kafka Streams

Kafka Summit SF 2017 | Systems Track

In this talk, we present the recent additions to Kafka to achieve exactly-once semantics within its Streams API for stream processing use cases. This is achieved by leveraging the underlying idempotent and transactional client features. The main focus will be the specific semantics that Kafka distributed transactions enable in Streams and the underlying mechanics to let Streams scale efficiently.

Guozhang Wang Guozhang Wang
Engineer, Confluent