🔒 Paid
API Gateway Saturation
A recent API gateway deploy is under growing live traffic, and the gateway's own request queue and CPU are climbing even though the service fleet behind it responds quickly whenever it is actually reached. The gateway enforces authentication and authorization on every request, and that enforcement must remain in place — the business cannot accept trading away request-level identity checks for throughput. Diagnose what is actually consuming the gateway's own capacity as traffic grows, and bring it back to a durable, sustainable state without weakening what the gateway is supposed to protect.
- Difficulty
- Senior
- Expected Time
- ~16 min
- Category
- API & Traffic
Skills
- Diagnosing gateway-side bottlenecks distinct from backend capacity
- Recognizing when scaling the wrong tier leaves the real constraint untouched
- Evaluating security-tradeoff mitigations versus genuine root-cause fixes
- Reasoning about per-request overhead sources at an edge/gateway tier
System Architecture
- Clients
- API Gateway
- Service Fleet
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