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If you love GraalVM, and very small app sizes, and get a nice dependency injection framework to break your code up into testable modules, be sure to check out

If you love GraalVM, and very small app sizes, and get a nice dependency injection framework to break your code up into testable modules, be sure to check out https://quarkus.io https://quarkus.io . Be sure to scroll down to the memory and start time benchmarks :)

flakiness 5y ago
Cool! I vaguely remember about Microanus framework being in the similar area, there are also a couple more others (I don't remember the name.) How do these Graal native-ish frameworks compare? Or more broadly, what does the scene look like today?
- lf-non 5y ago
  Micronaut (from Grails developers) was an early Graal adopter and is very actively developed and has a growing ecosystem around it. However, Quarkus has many distinguishing features beyond a nice dependency injection framework. First of all it is a Microprofile implementation - Microprofile is a collaborative effort among many large companies to adapt and evolve pieces of enterprise java stack to microservices. So large parts of your application would depend on Microprofile API rather than APIs specific to a particular framework like Quarkus and will be portable across Microprofile implementations (like Helidon or OpenLiberty) - for smaller individual services the benefits are minimal but it is a major advantage for larger corporations putting in decade long investments. Also, Quarkus is built atop vert.x which provides a non blocking event-loop and actor(-like) framework for JVM. Developers can choose to not bother with vert.x at all and use the MP apis exclusively but for people who like the actor-oriented programming model can choose to take advantage of it (perhaps for specific use cases). Lastly, as can be expected because it is by Redhat, there is out of the box integration with Hibernate. Regarding the scene, Spring is also pushing into the Graal ecosystem with native features - but they are still a bit late to party. They do have a huge ecosystem to support and can't afford breaking changes so it is understandable that good spring support for Graal is an evolving multi-year effort. But it does mean that early adopters like Micronaut and Quarkus have an edge. Also, irrespective of how well mainstream adoption for Graal pans out, I am quite happy about the growing initiative to move start-time work to build time which improves start times for non-graal deployments too.
  - flakiness 5y ago
    I overlooked this reply but thanks a lot for the thorough explanation!

flakiness 5y ago

Cool! I vaguely remember about Microanus framework being in the similar area, there are also a couple more others (I don't remember the name.) How do these Graal native-ish frameworks compare? Or more broadly, what does the scene look like today?

lf-non 5y ago
Micronaut (from Grails developers) was an early Graal adopter and is very actively developed and has a growing ecosystem around it. However, Quarkus has many distinguishing features beyond a nice dependency injection framework. First of all it is a Microprofile implementation - Microprofile is a collaborative effort among many large companies to adapt and evolve pieces of enterprise java stack to microservices. So large parts of your application would depend on Microprofile API rather than APIs specific to a particular framework like Quarkus and will be portable across Microprofile implementations (like Helidon or OpenLiberty) - for smaller individual services the benefits are minimal but it is a major advantage for larger corporations putting in decade long investments. Also, Quarkus is built atop vert.x which provides a non blocking event-loop and actor(-like) framework for JVM. Developers can choose to not bother with vert.x at all and use the MP apis exclusively but for people who like the actor-oriented programming model can choose to take advantage of it (perhaps for specific use cases). Lastly, as can be expected because it is by Redhat, there is out of the box integration with Hibernate. Regarding the scene, Spring is also pushing into the Graal ecosystem with native features - but they are still a bit late to party. They do have a huge ecosystem to support and can't afford breaking changes so it is understandable that good spring support for Graal is an evolving multi-year effort. But it does mean that early adopters like Micronaut and Quarkus have an edge. Also, irrespective of how well mainstream adoption for Graal pans out, I am quite happy about the growing initiative to move start-time work to build time which improves start times for non-graal deployments too.
- flakiness 5y ago
  I overlooked this reply but thanks a lot for the thorough explanation!