# Java Reactive Programming - Effective Usage in a Real World Application

DevFeed: [Java Reactive Programming - Effective Usage in a Real World Application](<https://devfeed.tech/articles/java-reactive-programming-effective-usage-in-a-real-world-application-28008.md>)

Original publisher: [Read original article](<https://tech.trivago.com/post/2021-03-16-java-reactive-programming-real-world/>)

Author: Stefan Nothaas Java Software; Backend Engineer

Published: 2021-03-16T00:00:00Z

Content type: article

Language: en

Sources: [Trivago](<https://devfeed.tech/sources/trivago.md>)

Topics: [Java](<https://devfeed.tech/topics/java.md>), [reactive](<https://devfeed.tech/topics/reactive.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [Back end](<https://devfeed.tech/topics/backend.md>), [Microservice](<https://devfeed.tech/topics/microservice.md>), [Kafka](<https://devfeed.tech/topics/kafka.md>), [API](<https://devfeed.tech/topics/api.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [backend](<https://devfeed.tech/tags/backend.md>), [backpressure](<https://devfeed.tech/tags/backpressure.md>), [blocking](<https://devfeed.tech/tags/blocking.md>), [java](<https://devfeed.tech/tags/java.md>), [kafka](<https://devfeed.tech/tags/kafka.md>), [reactive](<https://devfeed.tech/tags/reactive.md>), [reactive-programming](<https://devfeed.tech/tags/reactive-programming.md>), [services](<https://devfeed.tech/tags/services.md>)

## AI overview

This article explains how trivago's search backend team applied reactive programming in Java to a production microservice. It covers handling blocking I/O, backpressure, varying loads, message and error propagation, and implementation challenges.

## Source excerpt

This article presents how trivago's search backend team used reactive programming in Java effectively when designing and implementing one of our many Java backend services. Compared to tradi...