Chapter 9Metrics and Performance Expectations

We’re coming to the end of the road in our adoption journey, but there’s still some work to do. After you have decided how to deploy your application, it’s time to shift your focus to keeping things running quickly and uniformly. That task will take you into gathering metrics for performance analysis. Before we dive into tools, let’s talk a bit about why we need to do so.

Maybe you chose Elixir precisely because you were facing performance issues or battling scalability challenges. There are many reasons those things are important.

First, consider the impact of uniformly strong performance on your customers. If you are building a web application, performance directly impacts the user experience ...

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