Having the tools to scale your architecture but lacking the data to understand when to use them is like having the keys to your dream car but not knowing how to drive it. You need the information to back up your scaling decisions. You need to understand when your inbound traffic is too big for a single server, or when your database processor is screaming in pain asking for a sibling to help take the load off.
In this chapter I’m going to cover some of the most common tools that will enable you to both monitor different key aspects of your platform and react to those results by ...
