Open J9’s Balanced GC policy is a region based, generational collector, which aims to provide a bound on worst case pause times, by eliminating the need for frequent global garbage collections. A more detailed description of how Balanced GC policy works, along with some of its advantages over the Gencon GC policy, can be found…
Tomcat startup time is reduced by ~30% by enabling the Shared Class Cache (SCC) in the Docker images. In my earlier blog , I measured the Performance of Tomcat with Tradelite7 Application without using any docker images and we saw the boost of Startup time with default Shared Cache in OpenJ9. In this article, let’s…
Containers are increasingly becoming the preferred way of deploying applications. They facilitate consistency between development and operations, allow for an easy way to build layers for reuse, and make it very easy for users to try out an application without having to deal with setting up all the prerequisites. However, just because applications have moved…
JIT as a Service (JITaaS) is a fascinating feature that is being developed for the OpenJ9 JVM. The design separates the JIT compilation process from the JVM, enabling distributed JIT compilation, which provides many advantages. This post provides a simple method to try out JITaaS, based on docker containers. So let’s get started! You can…
