After logging into Retain Server, click thelink in the upper right of the interface. Among other stats, you'll see the tomcat Memory statistics.
NOTE:The page file guide is included here as a courtesy. It is your responsibility to find the proper procedures and documentation from your chosen operating system vendor. The entire responsibility for installation, care, and maintenance of the operating system lies with the customer. We do not provide any kind of support for the operating system.
In some environments, tomcat runs out of resources and crashes. Increasing the page file might solve this issue. In some cases doubling the page file is sufficient, in other cases increasing it to 64GB is sufficient.