The role of springcloud breaker?

• When a service call another service reasons or due to network problems for their own reasons, the caller will wait for a response when the caller more service requests to these resources led to more requests waiting knock-on effect (avalanche effect) occur
• Breaker has fully open state: a certain number of times within a period of time and can not be called multiple times to monitor signs of recovery breaker is not fully open then the next request would not have to request the service
• Half-open: there are signs of recovery breaker will be part of the request sent to the service within a short time, turn off the circuit breaker when the normal call
• Off: When the service has been in a normal state can normally call