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Id: tutorials-produce-consume title: Produce and consume messages sidebar_label: “Produce and consume messages” description: Learn how to produce and consume messages in Pulsar.

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In this tutorial, we will:

• Configure the Pulsar client
• Create a subscription
• Create a producer
• Send test messages
• Verify the results

Prerequisites

• Set up a tenant
• Create a namespace
• Create a topic

Produce and consume messages

To produce and consume messages, complete the following steps.

1. In the ${PULSAR_HOME}/conf/client.conf file, replace webServiceUrl and brokerServiceUrl with your service URL.

2. Create a subscription to consume messages from apache/pulsar/test-topic.

   bin/pulsar-client consume -s sub apache/pulsar/test-topic  -n 0
   

3. In a new terminal, create a producer and send 10 messages to test-topic.

   bin/pulsar-client produce apache/pulsar/test-topic  -m "---------hello apache pulsar-------" -n 10
   

4. Verify the results.

   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   ----- got message -----
   ---------hello apache pulsar-------
   
   Output from the producer side shows the messages have been produced successfully:
   18:15:15.489 [main] INFO  org.apache.pulsar.client.cli.PulsarClientTool - 10 messages successfully produced.
   

Related Topics

• Manage clusters