What is Apache Kafka used for in data processing?

Updated May 15, 2026

Short answer

Kafka is a distributed streaming platform for real-time data pipelines.

Deep explanation

It enables publish-subscribe messaging, fault tolerance, and scalable streaming. Producers send data to topics, and consumers process it in real time.

Real-world example

Real-time log processing in large-scale web applications.

Common mistakes

  • Misconfiguring partitions and consumer groups.

Follow-up questions

  • What is a Kafka topic?
  • What are consumer groups?

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