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DevOps Automation Cookbook by Michael Duffy

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Creating your first EC2 host

The basic unit of an IAAS platform is a compute unit and on AWS it is comprised of EC2 (Elastic Compute) instances. An EC2 instance is a highly configurable server, which is able to cater to almost any conceivable usage; from CPU hungry analysis platforms to IO bound database instances. As noted in the introduction, you should keep in mind that these are generally contended, and you should factor that into application design.

Tip

Within the creation process of an EC2 instance, you have the option to create a dedicated instance. This allows you to remove some of the contention constrains and allows security conscious users to ensure that they are not physically sharing equipment. This is a particular concern for users ...

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