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How to fix Eureka taking too long to deregister instances

If you use Ribbon and Eureka in your Spring Boot application, you’ll notice that the default configuration is not optimal. Eureka takes too long time to notice that a service went down unexpectedly and in the meantime, your load balancer, Ribbon, will try to connect to the dead one. On the other hand, the official Eureka documentation discourages changing the leaseRenewalIntervalInSeconds parameter so, what can we do here? This post answers that question.

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