Metrics is a Java library which gives you unparalleled insight into what your code does in production. Metrics provides a powerful toolkit of ways to measure the behavior of critical components in your production environment.

What server does Dropwizard use?

The dropwizard-core module provides you with everything you’ll need for most of your applications. It includes: Jetty, a high-performance HTTP server. Jersey, a full-featured RESTful web framework.

What is difference between Dropwizard and spring boot?

A main difference between both frameworks is dependency injection support. As some of you know, Spring’s core comes with it’s built in dependency injection support while with Dropwizard this doesn’t come out of the box and you’ll have to choose one of the community integrations that support it.