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Spring Boot With Kafka Communication

In this article, we will be looking into how we can publish and subscribe to a Kafka topic. 

Introduction

Kafka over the years has gained a lot in popularity for its high throughput and real-time asynchronous messaging. It's considered a de facto standard for streaming of events and provides fault-tolerant storage that is stable, reliable, and scalable.

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Apache Flink With Kafka – Consumer and Producer

Overview

Apache Flink provides various connectors to integrate with other systems. In this article, I will share an example of consuming records from Kafka through FlinkKafkaConsumer and producing records to Kafka using FlinkKafkaProducer.

Setup

I installed Kafka locally and created two Topics, TOPIC-IN and TOPIC-OUT.