Best Practices: Java Memory Arguments for Containers In this article, we will discuss the possible JVM arguments that can be used to specify the Java heap size and the best option to choose. by Join the DZone community and get the full member experience.Join For Free When running your Java application in physical servers, you would have been using ‘-Xmx’ JVM argument to specify the Java heap size. If you are porting your application to Containers, you might be wondering how to configure Java heap size in the container’s world? Are there any best practices? In this article, we will discuss the possible JVM arguments that can be used to specify the Java heap size and the best option to choose.