Understanding Telemetry, Reliability, and Metrics in OpenTelemetry

This chapter explores telemetry, reliability, and metrics within OpenTelemetry, focusing on the importance of system functionality and correct server verification. It delves into the significance of metrics like CPU utilization and error rates, explaining SLIs, SLOs, distributed tracing, and the concept of baggage for context. The chapter discusses tracing operations, challenges in distributed systems, and the value of detailed tracing in diagnosing issues, concluding with a visualization of tracing through a waterfall view and setting the stage for upcoming features of open telemetry.