Hands-On Reactive Programming in Spring 5

Micrometer

Starting with Spring Boot 2.0, Spring Framework changed the default library used for metrics gathering. This was previously Dropwizard Metrics (https://metrics.dropwizard.io), but now it is a brand new library called Micrometer (https://micrometer.io). Micrometer is a standalone library with a minimal list of dependencies. This is developed as a separate project, but it targets Spring Framework as its primary consumer. The library provides a facade over clients for the most popular monitoring systems. Micrometer gives a vendor-neutral monitoring API in the same way that SLF4J gives such an API for logging. At the moment, Micrometer integrates well with Prometheus, Influx, Netflix Atlas, and a dozen other monitoring systems. It ...