Interview prompt
Problem context
A marketplace has 180 services and several fan-out paths. Flash demand plus a degraded database causes retries, queue growth, and pool exhaustion. Teams independently tune timeouts and circuit breakers, so local protections sometimes amplify global failure. Define an architecture and governance model for graceful system-wide degradation.
Skills being evaluated
systems thinkingoverload controlpolicy governancecross-team reliability
The full reasoning guide is part of Pro
The scenario and evaluation focus above remain public. Pro unlocks the structured answer, trade-off analysis, follow-up probes, common weak answers, rubric, related reasoning, and any architecture diagram.
Sign in to continueWhat the full guide covers
Clarify the decision
Establish scale assumptions
Functional and non-functional requirements
High-level architecture
Data model and flow
Consistency and transaction boundaries
Failure modes and recovery
Security and privacy
Observability and SLOs
Capacity and cost
Alternatives and trade-offs
Evolution and migration
What Staff and Principal candidates should emphasize