Circuit Breakers with Resilience4j
Integrate Resilience4j to implement circuit breaker patterns, preventing cascading failures in your microservices.
Microservices & Resilience
In a microservices architecture, many small services work together. While powerful, this interconnectedness can be a weakness.
If one service becomes slow or unresponsive, requests can pile up, leading to other services waiting, which then slows them down too. This is called a cascading failure and can bring down your entire system!
What's a Circuit Breaker?
Think of an electrical circuit breaker in your home. If there's an overload, it 'trips' to prevent damage.
In software, a Circuit Breaker pattern does the same. It stops continuous calls to a failing service, giving that service time to recover and preventing the failure from spreading.
Instead of hammering a broken service, the circuit breaker 'fails fast' by immediately returning an error or a fallback response.
All lessons in this course
- Circuit Breakers with Resilience4j
- Retries & Timeouts Configuration
- Error Handling & Fallbacks
- Bulkheads & Rate Limiting for Resilience