Microservices based applications feature a huge amount of distributed components. These components interact with each other during the request processing. As the number of interactions over the network increases, the possibility of an abnormal behavior of a service may also increase. In that case, we need to have some handy techniques that can prevent or minimize this abnormal behavior. Here, we are talking about none other than a fault-tolerance mechanism. The circuit breaker is fault-tolerance technique that monitors and detects when a service is behaving abnormally. It temporarily rejects those calls until the service becomes healthy again. Netflix Hystrix is an open source library which provides this solution. Hence, we are going to learn 'How to implement Hystrix Circuit Breaker in
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