What are Kafka consumers and how do they work?

What are Kafka consumers and how do they work?

Kafka consumers are applications that read data from Kafka topics. They subscribe to one or more topics and process the messages.

How do I set up a Kafka consumer in my application?

To set up a Kafka consumer, you need to include the Kafka client library in your project, configure the consumer properties, and then create a consumer instance.

What programming languages can I use to create a Kafka consumer?

You can create Kafka consumers in various programming languages, including Java, Python, Go, and Node.js, among others.

Can you explain the difference between a consumer group and a single consumer?

A consumer group is a group of consumers that work together to read messages from a topic, allowing for load balancing. A single consumer reads messages independently.