Basic Concepts Apache Kafka:

1. Start Zookeeper

C:\ApacheKafka\kafka_2.12-3.5.0>bin\windows\zookeeper-server-start.bat config\zookeeper.properties

2. Start Kafka Server

C:\ApacheKafka\kafka_2.12-3.5.0>bin\windows\kafka-server-start.bat config\server.properties

3. How Topic Created?

C:\ApacheKafka\kafka_2.12-3.5.0>bin\windows\kafka-topics.bat --create --topic employee-topic --bootstrap-server localhost:9092

Created topic employee-topic.

4. How to produce the message ?

C:\ApacheKafka\kafka_2.12-3.5.0>bin\windows\kafka-console-producer.bat --topic employee-topic --bootstrap-server localhost:9092

5. How to consume the Message ?

C:\ApacheKafka\kafka_2.12-3.5.0>bin\windows\kafka-console-consumer.bat --topic employee-topic --from-beginning --bootstrap-server localhost:9092