Circuit Breaker Design Pattern Tutorial With Example For Microservice Developers

Circuit Breaker pattern allows developers to prevent cascading failures in microservices architecture. For example, this pattern works the same as the electric circuit breakers at your home. The electric circuit breaker at your home will automatically turn off and protect your electric devices in case of abnormal behavior in the power supply. Similarly, the proxy used in the circuit breaker pattern literally works as an electric circuit breaker.

The Circuit Breaker pattern prevents an application from performing an operation that is likely to fail. An application can combine this pattern by using the Retry pattern to invoke an operation through a circuit breaker. With the circuit breaker pattern, you can define a threshold value for the number of failures between 2 microservices.
Implementing service breaker is easy. you need to wrap the external service calls in a circuit breaker object which monitors the target service for failures. When there is an issue with dependent services, the circuit breaker trips.

The Circuit Breaker architecture pattern can provide great benefits for fault tolerant design.

** Topics Covered **
1. Welcome to Circuit Breaker Tutorial
2. Agenda of this video
3. Introduction to Circuit Breaker design pattern
4. Real world examples of Circuit Breaker design pattern
5. Usage of Circuit Breaker design pattern
6. Advantages of Circuit Breaker design pattern
7. Summary of Circuit Breaker design pattern
8. Next video on Blue-Green Deployment design pattern

#circuitbreaker #microservicedesignpatterns #circuitbreakers

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