Which command is used to produce messages to a Kafka topic named 'my-first-topic'?

Which command is used to produce messages to a Kafka topic named 'my-first-topic'?

• A. bin/kafka-console-producer.sh --broker-list localhost:9092 --topic my-first-topic --producer-property acks=all > message 1 > message 2 > ^C
• B. bin/kafka-console-producer.sh --bootstrap-server localhost:9092 --topic my-first-topic --producer-property acks=all
• C. bin/kafka-console-consumer.sh --broker-list localhost:9092 --topic my-first-topic
• D. bin/kafka-topics.sh --zookeeper localhost:2181 --topic my-first-topic --create

Answer: (A)

Producing messages to a Kafka topic is done with the console producer. This tool connects to a Kafka broker and sends every line you type as a separate message to the specified topic. The command in question runs the console producer script, points it to the broker with the broker-list option, and specifies the target topic. It also sets a producer property like acks=all to ensure that the broker acknowledges the write after all in-sync replicas have received it. After launching this command, you provide the actual messages (for example, typing “message 1” and “message 2”) and end the session with Ctrl-C so those messages are sent to the topic. The other options are for reading messages, or for creating topics, rather than publishing messages, so they don’t accomplish the task of producing to the topic.

Producing messages to a Kafka topic is done with the console producer. This tool connects to a Kafka broker and sends every line you type as a separate message to the specified topic. The command in question runs the console producer script, points it to the broker with the broker-list option, and specifies the target topic. It also sets a producer property like acks=all to ensure that the broker acknowledges the write after all in-sync replicas have received it. After launching this command, you provide the actual messages (for example, typing “message 1” and “message 2”) and end the session with Ctrl-C so those messages are sent to the topic. The other options are for reading messages, or for creating topics, rather than publishing messages, so they don’t accomplish the task of producing to the topic.