Summary
In this chapter, we explored the foundations that modern observability is built on. This will serve as easy reference and support for future chapters in this book and your own projects. First, we looked at the common log formats and their examples, which will assist us in Chapter 4, Looking at Logs with Grafana Loki. Then, we took a closer look at metrics, their differing types, some example protocols, and best practices to consider when designing metric-based observability. What we covered here will help with Chapter 5, Monitoring with Metrics Using Grafana Mimir and Prometheus. We then moved on to traces and spans, where we looked at current protocols and some best practices to consider when building an efficient and effective trace-based observability platform. This section lays the groundwork for Chapter 6, Tracing Technicalities with Grafana Tempo. After looking at the telemetry of observability, we learned about application instrumentation, which we will see more of in...