OpenTelemetry is a standard for tracing across multiple components. Let's see how to set it up. Tracking a request's flow across different components in distributed systems is essential. With the rise of microservices, their importance has risen to critical levels. Some proprietary tools for tracking have been used already: Jaeger and Zipkin naturally come to mind. Observability is built on...
While Reactive Programming is very different from the usual Imperative way, there's no denying it fits "the Cloud", as every bit of resource is used to its fullest. Let's see how to migrate from the latter to the former using a Spring Boot web app as an example.
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