level 12 / observability
Observability
Logs, metrics, traces, OpenTelemetry — debugging failures like a production engineer.
The Three Pillars of Observability
Understand logs, metrics, and traces — and how test engineers use them to debug production failures.
OpenTelemetry for Test Engineers
Understand OpenTelemetry's role in test observability — instrumenting apps and asserting telemetry in tests.
Grafana, Kibana, Datadog & Splunk
Navigate the major observability platforms test engineers encounter in production environments.
Root Cause Analysis
Apply structured root cause analysis to production failures using observability data.