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Observability and Reliability
- Authors
- Name
- Lucian Oprea
- @LucianDSA_
00:30:00
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Observability Foundations
⏷ 1. What is the difference between monitoring and observability?
⏷ 2. How do logs, metrics, and traces complement one another?
⏷ 3. How should telemetry be correlated across a distributed request?
⏷ 4. What problem does OpenTelemetry solve, and what does it not provide?
⏷ 5. How do the four golden signals, RED, and USE guide instrumentation?
Service Levels and Alert Quality
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⏷ 6. How do SLIs, SLOs, and SLAs differ?
⏷ 7. How do you choose meaningful SLIs for a user journey?
⏷ 8. What is an error budget, and how should it influence engineering decisions?
⏷ 9. Why are multi-window, multi-burn-rate alerts better than static thresholds?
⏷ 10. What causes metric cardinality explosion, and how do you prevent it?
Telemetry Design and Diagnosis
⏷ 11. How do head sampling and tail sampling trade off cost against diagnostic value?
⏷ 12. How do you design dashboards for detection, diagnosis, and capacity planning?
⏷ 13. How should an engineer diagnose a production incident using telemetry?
Reliability and Incident Operations
⏷ 14. How do graceful degradation and capacity controls improve reliability?
⏷ 15. How should incident response and blameless postmortems improve the system?
Everyday Observability Concepts
⏷ 16. What is the difference between liveness, readiness, and dependency health?
⏷ 17. Why are structured logs better than unstructured text?
⏷ 18. Why are latency percentiles more useful than an average?
⏷ 19. What are traces and spans?
⏷ 20. When should a signal page a human versus create a ticket?
Instrumentation and Diagnostic Techniques
⏷ 21. How do you plan instrumentation for a new service?
⏷ 22. How should log levels be used?
⏷ 23. How do synthetic monitoring and real-user monitoring differ?
⏷ 24. When is continuous profiling useful?
⏷ 25. What does an OpenTelemetry Collector pipeline do?
⏷ 26. Why should deployments be visible in telemetry?
Operating the Telemetry Platform
⏷ 27. How do you make the telemetry pipeline reliable?
⏷ 28. How do you protect sensitive data in telemetry?
⏷ 29. How do you control observability cost in a multi-tenant platform?
⏷ 30. How do you validate that resilience controls really work?