?? Introduction to Apache Kafka and Local Setup Guide ??

What is Apache Kafka?

Apache Kafka is a distributed streaming platform that enables you to publish, subscribe to, store, and process streams of records in real-time. It is designed for high-throughput and fault-tolerant data streams, making it ideal for building real-time data pipelines and streaming applications. Kafka ensures that data is synchronized with the producer, which is why it is used in real-time data platforms like LinkedIn, Instagram, and others.

Kafka is used in streaming platforms like LinkedIn and Instagram for real-time data processing and managing high-throughput data streams.

Key Components of Kafka

1. Producer: Applications that publish (write) records to Kafka topics.

2. Consumer: Applications that subscribe to (read) records from Kafka topics.

3. Topic: A category or feed name to which records are sent.

4. Partition: A division of a topic for parallel processing.

5. Broker: A Kafka server that stores data and serves clients.

6. Zookeeper: A service that manages and coordinates Kafka brokers.

Setting Up Kafka Locally on Windows:

If you have Kafka installed on your Windows machine, follow these steps to get Kafka up and running:

1. Verify Java Installation:

- Open Command Prompt and run: java -version

2. Configure Kafka and Zookeeper:

- Navigate to Kafka directory C:\kafka.

- Ensure config/zookeeper.properties and config/server.properties are configured correctly.

3. Start Zookeeper:

- Run: .\bin\windows\zookeeper-server-start.bat .\config\zookeeper.properties

4. Start Kafka Broker:

- Run: .\bin\windows\kafka-server-start.bat .\config\server.properties

5. Create a Kafka Topic:

- Run: .\bin\windows\kafka-topics.bat --create --topic test--bootstrap-server localhost:9092 --partitions 1 --replication-factor 1

6. Verify the Topic Creation:

- Run: .\bin\windows\kafka-topics.bat --list --bootstrap-server localhost:9092

7. Produce Messages to the Topic:

- Run: .\bin\windows\kafka-console-producer.bat --topic test --bootstrap-server localhost:9092

- Type any messages and press Enter to be viewed at the Consumer terminal.

8. Consume Messages from the Topic:

- Run: .\bin\windows\kafka-console-consumer.bat --topic test --from-beginning --bootstrap-server localhost:9092

9. Stopping Zookeeper and Kafka:

- Press Ctrl+C in the respective Command Prompt windows.

This setup provides a local Kafka environment suitable for development and testing. For more complex setups or production environments, additional configurations are necessary.

Additionally, I have added a screenshot of my Kafka setup below. Happy Kafka-ing! ??

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