Learn how to scale Spring Boot microservices

  • 3 minutes

Spring Boot microservices and gateways running inside Azure Spring Apps can be scaled vertically or horizontally:

  • Vertical scaling means you increase (or decrease) the CPU and RAM of a given service.
  • Horizontal scaling means you can add (or remove) nodes for a given service.

Scaling the "todo-service" microservice

  1. Go to the Azure portal.
  2. Go to the overview page of your Azure Spring Apps cluster and select Apps in the menu.
  3. Select the todo-service application.
  4. Select Scale up in the left hand-side menu. You can now scale your service vertically, for example you can give it 2 CPUs and 4 GB of RAM. Screenshot of the dialog box to scale your application.
  5. Select Scale out in the left hand-side menu. You can also scale your service horizontally. For example, you can select your service and use Manual scale to have 2 instances of your service.