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Kafka Consumer Delivery Semantics

Sylvester Daniel continues a series on Apache Kafka:
This defines how offsets are committed to Kafka — by default is set to true. When this property is set to true, you may also want to set how frequent offsets should be committed using

By default, is set to 5,000ms (5 seconds). When is set to true, consumer delivery semantics is “At most once, and commits are async.

Click through for more information on what this means, as well as several other important settings.