Summary

In this chapter, we learned how to understand the reservation process and calculate whether it is worth reserving, what decisions are required before making a reservation order, and how to successfully track your reservation usage.

We also learned how to make proper changes and cancelations when the usage is too far from the optimum (which should ideally be around 99.99%). This will provide the best possible impact on your reservation and make this operation a clear and structured process that you can share with your finance controller. This is critical, especially in companies where you need to chargeback cloud costs and have a dedicated financial controller dealing with cloud costs.

Once you are done with right-sizing, cleaning up, and reservations, the only other way of saving money is to optimize your applications, for them to consume fewer resources and spend less. This is the main topic of the next chapter: having learned how to optimize your infrastructure&apos...