O'Reilly logo

Microservices: Building Scalable Software by David Gonzalez, Rajesh RV, Sourabh Sharma

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Understanding the concept of autoscaling

Autoscaling is an approach to automatically scaling out instances based on the resource usage to meet the SLAs by replicating the services to be scaled.

The system automatically detects an increase in traffic, spins up additional instances, and makes them available for traffic handling. Similarly, when the traffic volumes go down, the system automatically detects and reduces the number of instances by taking active instances back from the service:

Understanding the concept of autoscaling

As shown in the preceding diagram, autoscaling is done, generally, using a set of reserve machines.

As many of the cloud subscriptions are based on a pay-as-you-go ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required