Understanding right-sizing
As has been mentioned, and emphasized many times since Chapter 1, Understanding Cloud Bills, cloud computing is not about overprovisioning, and right-sizing is probably the most important aspect of controlling cloud resources and costs. The impact is not simply saving money: in many cases, there is a balance between performance and spending and, more specifically, between meeting your internal customer service-level agreements (SLAs) efficiently. You need to find this balance to keep both your application managers and cost controllers happy. Let's dig into this further by dividing the scope of application—where the first step to right-sizing starts, of course—from your infrastructure-as-a-service (IaaS) resources.
Right-sizing is the process of continuously finding the right balance between resources' performance (RAM, storage, CPU cores) and the lowest possible cost for those resources. This means performing an assessment of your...