Auto Scaling - Amazon Compute Services - Glossary

Oct 31, 2013 8:56:58 AM Flux7 Labs Compute

Auto Scaling allows scaling of Amazon EC2. This feature of Amazon EC2 allows automatic allocation or removal of resources based on the actual needs at any given time. The number of instances increases during demand hikes and reduces when the demand falls.

Auto Scaling comes as part of the Amazon CloudWatch service. It’s applicability is significant in applications that has usage variability on an hourly, daily or weekly basis.


1. When demand increases, scales out amazon EC2 instances.

2. When demand subsides, shuts down unused Ec2 instances.

3. Dynamic Scaling based on CloudWatch metrics

4. Replace unhealthy or not in reach instances to maintain a higher availability of applications

5. Notifications via Amazon SNS - Simple Notification Service on any auto-scaling actions made


Auto Scaling is a feature of Amazon CloudWatch and comes at no additional costs.

Written by Flux7 Labs

Flux7 is the only Sherpa on the DevOps journey that assesses, designs, and teaches while implementing a holistic solution for its enterprise customers, thus giving its clients the skills needed to manage and expand on the technology moving forward. Not a reseller or an MSP, Flux7 recommendations are 100% focused on customer requirements and creating the most efficient infrastructure possible that automates operations, streamlines and enhances development, and supports specific business goals.

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