AdvancedTechnical
5 min
Distributed Tracing Deep Dive
TracingObservabilityMicroservices
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Interview Question
Explain how you would design and implement distributed tracing in a microservices environment. How do you ensure minimal performance overhead?
Key Points to Cover
- Instrument services with OpenTelemetry or similar SDKs
- Propagate trace context across service boundaries
- Sample traces to reduce overhead while preserving coverage
- Correlate traces with logs and metrics for root cause analysis
Evaluation Rubric
Explains correct instrumentation30% weight
Handles trace context propagation30% weight
Balances tracing with overhead20% weight
Uses traces for actionable insights20% weight
Hints
- 💡Focus on context propagation and sampling strategies.
Potential Follow-up Questions
- ❓How do you integrate tracing with service meshes?
- ❓What challenges arise in multi-language environments?
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