Earlier in this chapter, we learned about the monitoring capabilities that are provided by Spring Boot. We saw examples of writing custom
HealthIndicators implementations, creating
Metrics, and using
CounterService to emit data. The simple Spring Boot Admin Web framework gave us some nice graphical UI to visualize the data, but all of these metrics were in-the-moment, with no long-term retention and historical access. Not being able to observe the trends, detect the deviations from the baseline, and compare today with last week is not a very good strategy, especially for an enterprise complex system. We all want to be able to have access to the time series data going weeks, ...