Circuit Breaker

resilience

Prevent cascading failures by opening the circuit after failures

Type: pattern

Principles

States: Closed, Open, Half-OpenConfigurable failure thresholdAutomatic recoveryFallback responses

When to use

Calls to external services, microservices, third-party APIs

When not to use

Very reliable services, simple systems

Pros and Cons

Ventajas

+ Prevents cascading failures
+ Fail fast
+ Allows service recovery
+ Graceful degradation

Desventajas

- Configuration requires tuning
- Can cause false positives

Related Technologies

Related Patterns