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Nov 2019
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Quarkus is a cloud-native, container-first framework by Red Hat for writing Java applications. It has a very fast startup time (tens of milliseconds) and has low memory utilization which makes it a good candidate for FaaS or frequent scaling up and down in a container orchestrator. Like Micronaut, Quarkus achieves this by using ahead-of-time compilation techniques to do dependency injection at compile time and avoid the runtime costs of reflection. It also works well with GraalVM's Native Image which further reduces startup time. Quarkus supports both imperative and reactive models. Along with Micronaut and Helidon, Quarkus is leading the charge on the new generation of Java frameworks which attempt to address startup performance and memory without sacrificing developer effectiveness. It's gained a lot of community attention and is worth keeping an eye on.