As we already mentioned in the introduction, Kiali is integrated with Grafana and provides some very useful dashboards out of the box. In general, they are focused on application-level performance metrics such as requests per second, response times, and fault percentages for processing requests. They are, as we will see shortly, very useful on an application level. But if we want to understand the usage of the underlying hardware resources, we need more detailed metrics, for example, Java VM-related metrics.
Grafana has an active community that, among other things, shares reusable dashboards. We will try out a dashboard from the community that's tailored for getting a lot of valuable Java VM-related metrics from a Spring Boot 2 application such as our microservices. Finally, we will see how we can build our...
