Deployment configurations and the profile of SQL requests made by clients will differ based on your use case. This means there is no one size fits all set of tuning parameters for MySQL. Use the information in this learning path to help you tune MySQL for your use case.
Application tuning allows you to gain performance without scaling your deployment up (bigger machines) or out (more machines). You have the option to use the gained performance or trade it for cost savings by reducing the total compute resources provisioned. Requirements vary based on the use case.