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Advanced Spring Boot 4: Event-Driven Architecture (Kafka) · Lesson

Batch Consumption and Acknowledgment Modes

Learn to consume Kafka records in batches and choose the right acknowledgment mode to balance throughput, latency, and delivery guarantees.

Why Batch Consumption

By default a @KafkaListener processes one record at a time. For high-throughput pipelines, processing records in batches reduces overhead and lets you bulk-write to databases.

Enabling Batch Mode

Set batch-listener to true on the container factory, or configure it in properties.

spring:
  kafka:
    listener:
      type: batch

All lessons in this course

  1. Building Kafka Listener Containers
  2. Consumer Group Management
  3. Deserialization and Message Conversion
  4. Batch Consumption and Acknowledgment Modes
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