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Learning AWS - Second Edition by Amit Shah, Aurobindo Sarkar

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Using Auto Scaling

Auto Scaling scale your compute instances to the extent required otherwise scale down, automatically. Auto Scaling aligns your deployed infrastructure to the demand at any given point in time. You can define launch configurations for your EC2 instances and then set up appropriate auto scaling groups for them. This helps automate the process of saving money by turning off unused instances during scale down. You can set parameters, such as the minimum and maximum number of instances, to meet your functional and nonfunctional requirements while controlling your overall costs.

It can take a few minutes for your new instances to come online during a scale-up. So, make sure that you account for this lag while establishing your ...

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