If you do not set the MaximumUserSandboxSize parameter, the default maximum size is 100 MB on a 32-bit system, and 500 MB on a 64-bit system.
Parameter type: optional, dynamic
To specify a maximum amount of memory allocation for personal workspaces or sandboxes, add the following line to Tm1s.cfg:
MaximumUserSandboxSize=n
where n represents the amount of memory in MB to be allocated.