When setting the HEAPSIZE option in the /home/tdm/.tdm/conf/fdm/global_options.txt file, the Docker version of TDM Portal fails to load this option, and uses the default heaps size instead.
TDM Portal Docker - all supported releases
The HEAPSIZE option is used by the Java framework and not by FDM itself/
Simply put, it cannot be implemented and will never work in the local options, or global options file. This is also the reason why you won't find this option listed among the masking options in the TDM documentation.
This has been corrected in TDM Portal 4.11.154.0, for both the Windows version and Docker version.
The patches have also been uploaded to the Test Data Manager (TDM) Support Patches page.
After installing the new release, you will need: to edit: