Architectural Patterns
by Anupama Murali, Pethuru Raj, Harihara Subramanian J, Pethuru Raj Chelliah
Health check API pattern
The health check has been an important part of the IT industry. All kinds of software and hardware systems are being regularly checked for their health. It is the same with microservices. Services are running, but sometimes, they are unable to handle service requests due to various reasons. In these circumstances, the service monitoring system has to generate an alert and send it to the operational team to act upon in real time. The load balancer also understands any failed service instances and accordingly routes requests to the live services in order to guarantee business continuity. The service registry also has to take note of the failing instances so that any client service is given the access details of functioning ...
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