This article is a continuation of Part 1 - Kafka Technical Overview, Part 2 - Kafka Producer Overview and Part 3 - Kafka Producer Delivery Semantics articles. Let's look into Kafka consumer group, consumer, and protocol used in detail.
Consumer Role
Like a Kafka Producer that optimizes writes to Kafka, a Consumer is used for optimal consumption of Kafka data. The primary role of a Kafka consumer is to take Kafka connection and consumer properties to read records from the appropriate Kafka broker. Complexities of concurrent application consumption, offset management, delivery semantics, and a lot more are taken care of by Consumer APIs.
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