For performance reason, the wrapper java init and max memory would need to be modified by PAM admin.
In PAM 4.3 and early versions, you can do that according to
https://knowledge.broadcom.com/external/article?articleId=48681
For PAM 4.4, this techdoc provides the steps.
Release : 4.4
Product: CA Process Automation Base
For PAM 4.4, please use these two parameters
wrapper.java.additional.4
wrapper.java.additional.5
in file PAM-directory\wildfly\standalone\bin\c2osvcw.conf . For example
wrapper.java.additional.4=-Xms4096M
wrapper.java.additional.5=-Xmx8192M
Once this file is modified, PAM would need to be re-started.