You would like to know which tables are involved in the "Audit Trim" operation (Database Trimming).
In the documentation only the "Archive Tables" ( "_AR" tables, involved in the Archive Trim task) are described.
Environment
Release : 9.0
Component : AuthMinder(Arcot WebFort)
Resolution
If you put the arcotuds.log in DEBUG mode, you will see the list of tables getting printed and how much data is archived from those but here is the list: