Microservices have become a buzzword when we talk about creating a scalable application. But is that enough? The simple answer is no. As with any software architecture decision, it has a trade-off and several challenges. Lucky for us Java developers, there is a combination of two tools to make our life easier: Microstream and MicroProfile. This article will cover combining Microstream and Helidon to create a microservice application that is easily stable and ultra-fast.