HOW DATA PROCESSES IN PUB/SUB

 HOW DATA PROCESSES IN PUB/SUB

 

Create a topic:

 

1.    In the google cloud console, navigate to the Pub/Sub topic page.

2.    Click create  topic and enter a unique name.


 

Subscribe to the Topic:


 1.    Once the Pub/Sub topic is made, add a subscriber to this. For this navigate to Create subscriptions.




2.    Name the created subscription and select one of the options as push or pull and click the create button.


Publish a message to the topic:

 

To publish a message to the topic. For the topic that we just created, click on the Publish a message button and subsequently enter any message in the message field and then finally, publish it with the help of the add an attribute button.


Pull the data published:

 

Finally, execute the

gcloud pubsub subscriptions pull –auto-ack [SUBSCRIPTION_NAME]

command to pull the data from the subscription.

The output should then display the message published as follows.


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