How to Scale Your Web Servers

The book is providing kind of like a formal structure here. So when we're talking about scalability, specifically scalability, we're basically studying what we can do with our resources in order to improve our performance. And those performance numbers basically, they measure how well your response, your system is responding. But today, the point that Joe's making is that we wouldn't just look at that one number because what does that one number mean, right? Right.