Spring Boot Metrics with @Timed and @Counted Annotations
Introduction
Monitoring an application’s performance, behavior, and health is essential for modern software systems. In a Spring Boot application, gathering metrics data becomes a trivial task, thanks to the built-in support and various libraries and frameworks. This post will focus on how you can use @Timed
and @Counted
annotations in your Spring Boot application to collect valuable metrics.
Introduction to Metrics in Spring Boot
Spring Boot has drastically simplified the way Java developers can create stand-alone, production-grade Spring-based applications. One of the cornerstones of Spring Boot is its extensive set of production-ready features, including the ability to collect application metrics through its Actuator module. In the age of microservices and distributed applications, having real-time metrics can be a lifesaver when diagnosing issues or understanding application behavior.
What Are Metrics?
Before diving into specific annotations like @Timed
and @Counted
, let's take a moment to discuss what metrics are. Metrics are quantifiable measurements that provide a view into the performance, behavior, and health of an application. They can include a wide range of data points, from CPU and memory…