Determining topic data structure
You can use the Apache Pulsar™ pulsar-client command line client to examine the structure of Pulsar messages for a topic.
To show Apache Pulsar messages:
bin/pulsar-client consume topic_name -s "subscription_name"where
- topic_name
-
Name of the Pulsar topic receiving the messages.
- subscription_name
-
Arbitrary name for the consumer subscription.
You’ll see the message data when a message is received:
----- got message -----
key:[My key], properties:[], content:My contentin this case:
-
Key: My key
-
Content: My content
