Migrating from Imperative to Reactive
The Reactive Programming model is complex to master. It requires a lot of experience to feel comfortable with its API. 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 demo-based talk, I’ll show how to migrate a traditional Spring Boot application that uses WebMVC, Spring Data JPA, and Spring Cache to its Reactive equivalent in a step-by-step process.
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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