To get a quick overview of the memory consumtion of processes it may be helpful if system stats would also collect the output of: 'smem -c "name pss" -tk'. That command should give a rough estimate of real memory footprints. smem would need to be moved to maintained for that.
This issue has been filed against UCS 4.4. UCS 4.4 is out of general maintenance and components may have vastly changed in later releases. Thus, this issue is now being closed. If this issue still occurs in newer versions, please use "Clone this bug" or reopen this issue. In this case please provide detailed information on how this issue is affecting you.