Every program manager loves metrics. In fact, a popular company (Netflix) is so well known in this arena that people describe it as a metrics-gathering company that happens to stream video.
When it comes to Spring Boot, metrics are a prime piece of Spring Boot Actuator functionality. If we visit /application/metrics, we can see a list of metrics:
{ "names": [ "jvm.buffer.memory.used", "jvm.memory.used", "jvm.buffer.count", "logback.events", "process.uptime", "jvm.memory.committed", "http.server.requests", "jvm.buffer.total.capacity", "jvm.memory.max", "process.starttime" ] }
This lists all sorts of stuff--memory, garbage collection, heap versus nonheap, threads, and more. That's nice, but what's usually needed is ...
