GraalVM: a game changer for Java and Serverless? — TL;DR; Java Functions compiled into a native executable using GraalVM reduces cold start times and memory footprint by order of magnitude compared to running on JVM. Native Java Functions performs equal to or better than Go functions in terms of execution time and memory used. Native Java Functions executable runs from…

Embrace the JPMS power with MicroProfile.io applications — Update Sample application migrated to use JDK 11. MicroProfile.io Eclipse MicroProfile project is growing fast, it has a lot of supporters and compatible implementations. I see it as a new way to package enterprise Java Enterprise applications that already leverage of existing Java Specifications (JSRs) and want to be compatible with different…

How to create a minimal and optimized Docker image using module system step-by-step — In previous post I described a series of benefits of upgrading to Java 10 and by leveraging of new Java Module System you could: Create a minimal JRE image for your application. Decrease application memory footprint. Optimize application startup time. Upgrade to Java 10 now! Why not? How to migrate to module system step-by-stepmedium.com

How to migrate to module system step-by-step — Update: Jump to Java 11 It’s time! Migrating to Java 11 Why you should migrate to next Java now!medium.com TL;DR; Describes the benefits of upgrading the application to module system. Migration can be done incrementally: run, compile, modularize. Full source code and upcoming posts are available at the bottom. After the release of Java 9 and now 10, there is a lot of open questions on how to migrate applications…

Remember: New Open Source JVM optimized for Cloud and Microservices Goal Run a Java microservice application inside Docker with OpenJ9 JVM implementation. Project Description Sample SpringBoot 2 microservice with a simple REST resource implementation. Docker image is using OpenJ9 JVM with optimized settings for Docker. We are using a 128m max heap size…

Finally a new Open Source competitor for the well known HotSpot Java Virtual Machine arrived in the wild. Meet Eclipse OpenJ9! TL;DR; New OpenJDK JVM runtime implementation (replaces HotSpot). Has a 2x smaller memory footprint and starts 2x faster than HotSpot. Not released yet; Pre-packaged builds and Docker images are available. Eclipse OpenJ9 …