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Circuit Breaker State Machine

Watch a caller count failures, open locally, fail fast, test recovery with half-open probes, and close only after the dependency behaves again.

Checkout APIAmsterdam callerCaller worker slots free: 26 / 32deadline budget: 800 msCircuit breakerCLOSEDPass-through trafficDependency p95: 45 msWindow: 12 calls, 0 failed, 1 slowCooldown: idleHalf-open probes: noneTrip when failures >= 50% or slow calls >= 60% once 10 calls existokokokokokokslowokRecent window / probe outcomesDependencyFraud scoringFraud service healthy in FrankfurtBackend still sees controlled caller trafficsuccessslowfailedrejected locallyhalf-open probe
Step 1 / 6Healthy traffic keeps the breaker closed

Requests pass through normally because the dependency is answering quickly and the recent window does not look dangerous.

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