Benefits of Autoscaling: ASGs in Action
Explore how Autoscaling Groups (ASGs) in AWS provide self-healing capabilities for your application by automatically replacing unhealthy EC2 instances. This lesson demonstrates checking instance health, terminating instances, and observing how ASGs maintain desired capacity to ensure continuous operation.
We'll cover the following...
We'll cover the following...
Now that our ASG is up and running, let’s see how it behaves.
One main advantage of an ASG compared to manually created instances is its self-healing capability. If one of the instances of the ASG is unhealthy, the ASG will start a new instance automatically to replace the unhealthy one. To see it in action, let’s terminate one of our instances and check how the ASG reacts.
Check the current status
Before we do anything with our instances, let’s first ...