Level 4: Reliability, security & cloud · L4.2 Observability
Metrics, logs and traces
Match each telemetry signal to the question it answers.
12 min · Pro
What you take away
- Metrics detect that something is wrong, traces localise it to a service, logs explain what happened to one request.
And 3 more inside the class, in Pro.
How the class is laid out
- The problem
- The simple version
- Each signal answers a different question
- Cost: cardinality, not traffic
- Check your understanding