The JBoss Data Virtualization Sizing Architecture Tool is a simple web application that has around 10 - 15 questions.  After all questions are answered and submitted, corresponding recommendations for Data Virtualization will be presented.  The recommendations include: 
- How many servers are need, with how many cores?
 
- How much memory/JVM size for each node?
 
- Suggestions of configuration changes for any performance improvement.
 
Follow the 
link, Sign on with your Red Hat account and click start to enter the responses to the questions to get a recommendation.