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Migrating a Traditional Spring Boot App to the Reactive Model

Online

From Wikipedia, Reactive Programming is “a declarative programming paradigm concerned with data streams and the propagation of change.”

The programming model is complex to master. It requires a lot of experience to feel comfortable with it. However, there’s no denying that it fits the cloud ecosystem perfectly. Since on-premises infrastructure is oversized, running a program that executes a couple of additional CPU cycles won’t change anything. On the other hand, you will pay for them if you host the same program on third-party infrastructure. Depending on the number of those cycles, and the number of nodes the program runs on, it can make a huge difference in your monthly bill.

In this talk, I’d like to demo how you can migrate a traditional sample Spring Boot application to the Reactive model one step at a time.

Nicolas Fränkel is a Developer Advocate with 15+ years experience consulting for many different customers, in a wide range of contexts (such as telecoms, banking, insurances, large retail and public sector). Usually working on Java/Java EE and Spring technologies, but with focused interests like Rich Internet Applications, Testing, CI/CD and DevOps. Currently working for Hazelcast. Also, double as a trainer and triples as a book author.


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