Modern Big Data Processing with Hadoop

Generate messages to verify the producer and consumer

Perform the following steps to generate messages to verify the producer and consumer:

1. Send messages to Kafka my-first-topic:

bin/kafka-console-producer --broker-list localhost:9092 --topic my-first-topictest1test2test3

2. Start consumer to consume messages
3. Open another terminal and enter the following command:

$ bin/kafka-console-consumer --bootstrap-server localhost:9092 --topic my-first-topic --from-beginningtest3test2test1

4. Go to the producer terminal and enter another message:

test4

5. Verify the consumer terminal to check whether you can see the message test4