How to use kafka

This article focuses on "how to use kafka". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn how to use kafka.

Start zookeeper

Zookeeper-server-start.bat D:\ tcm\ soft\ kafka_2.11-2.3.1\ config\ zookeeper.properties

Start kafka

Kafka-server-start.bat D:\ tcm\ soft\ kafka_2.11-2.3.1\ config\ server.properties

Enter the windows command directory through cmd

D:\ tcm\ soft\ kafka_2.11-2.3.1\ bin\ windows

Create a theme

Create a theme called "test" that contains only one partition and only one copy:

Kafka-topics.bat-create-zookeeper localhost:2181-replication-factor 1-partitions 1-topic test

View topic

Run the list topic command:

Kafka-topics.bat-list-zookeeper localhost:2181

Message production sends some messages

Kafka comes with a command-line client that takes input from a file or standard input and sends it as a message to the Kafka cluster. By default, each line is sent as a separate message

Kafka-console-producer.bat-broker-list localhost:9092-topic test

Message consumer

Kafka also has a command line consumer that dumps messages to standard output

Kafka-console-consumer.bat-bootstrap-server localhost:9092-topic test-from-beginning

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