I am happy to inform you that I published recently an update to the existing refcard on Java Performance Optimization which is now available from DZone. The updated material now better reflects the Java 8 features and provides a dedicated section and guidelines about the JVM Metaspace.
I recommend that you download your FREE copy today.
http://refcardz.dzone.com/refcardz/java-performance-optimization
For now, find below a small snippet:
“By default, the Metaspace memory space is unbounded and will use the available process and/or OS native memory available for dynamic expansions. The memory space is divided into chunks...