Auto Scaling is an Amazon EC2 service that allows you to scale the number of running EC2 instances up or down automatically according to conditions you can define. You can use Auto Scaling for applications and workloads that have peaks with hourly, daily or monthly variability. Auto Scaling works without any downtime and can be finely configured through Amazon CloudWatch. An auto scaler features can be integrated within your code, using the related Auto Scaling API set.
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