Thread by @CodeWithStu

In the spirit of getting 1% better each day, let's look at some common patterns, starting with the circuit breaker pattern!

#dotnet #devops #programming

The circuit breaker pattern is a design pattern used to improve the resilience and stability of distributed systems. It helps prevent cascading failures by breaking the connection between a client and a service when it becomes unresponsive or fails.

In a circuit breaker pattern, the client sends requests to a circuit breaker, which monitors the response from the service. If the service becomes unresponsive or fails, the circuit breaker trips and returns an error to the client instead of forwarding the request to the service

A circuit breaker has three states: closed, open, and half-open. When the circuit breaker is closed, it allows requests to pass through to the service. When it is open, it blocks requests and returns an error to the client.

When it is half-open, it allows a limited number of requests to pass through to the service to test if it has recovered. The circuit breaker pattern can be implemented using various tools and technologies, such as Hystrix or Polly.

This helps improve the resilience and stability of distributed systems by breaking the connection between a client and a service when the service becomes unresponsive or fails and allowing the service to recover before allowing requests to pass through again.

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