What does the term scaling up and scaling out mean? Scaling up, or vertical scaling means to increase the memory, storage, or compute power on an existing virtual machine. For example, you can add additional memory to a web or database server to make it run faster. The reverse is referred to as Scaling down.
Scaling out, or horizontal scaling means to add extra virtual machines to power your application. For example, you might create many virtual machines configured in exactly the same way and use a load balancer to distribute work across them.
Note: The Cloud is elastic and scaling up and down is possible.
To Scale Up, that is to increase the memory, storage, or compute power on an existing virtual machine, follow these steps below.
To Scale-Out which means to means to add additional virtual machines to power your application. Follow these steps.
– Click on Scale-Out (App Service Plan) under settings
– Click on the scale Out (App Service plan as shown below) and follow the steps
See link for more info: http://bit.ly/39Xe1Yi