Summary

In this chapter, we explored the basics of OpenTelemetry, how to instrument your applications and infrastructure, and how to export that telemetry into backend visualization and analysis tools such as Jaeger and Prometheus. We also extended the benefits of metrics by integrating alerting rules to proactively notify us when an application is operating outside of expected behavioral parameters. With the application of what you have learned, you will never be caught blind during a support call. You will have the data to diagnose and resolve issues in your complex system. Better yet, you will know about these problems before issues are raised by your customers.

We also established some relatively simple metrics, traces, and alerts. With this knowledge, you will be able to implement your own traces, metrics, and alerts to empower you and your team to react quickly and efficiently to failures in production.

In the next chapter, we will discuss how to automate workflows with...