Quarkus supports imperative as well as reactive programming styles. In this article, I compare access times to Postgres from Java-based microservices developed with Quarkus. For synchronous invocations Panache is used, for asynchronous access Vert.x Axle.

I’ve created a sample application that comes with the cloud-native-starter project. The ‘articles’ microservice accesses the database running in Kubernetes. To keep the scenario simple, only one REST API is tested which reads articles from Postgres.

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