AWS - Auto Scaling

 

We can scale up or scale down the resources through Auto scaling in AWS.

Auto scaling is classified as 3 parts:

* Auto Scaling group

* Launch Configuration/Template

* Scaling Policies 

Auto Scaling group : We can define a minimum and maximum require resources through Auto scaling group.

Launch Configuration/Template - Defined a AMI and other require resource parameter for the EC2 instance.

Scaling Polices: It is classified as 3 types:

* Manual - We can update the minimum and maximum resource requirement by manually or through CLI,

* Scheduling : We an schedule the desire resource requirement through crontab.

* Dynamic - It will increase the resource based on metrics.