Usage: STATS 1 [<server>]
Memory statistics - On windows systems ConferenceRoom can give certain memory statistics for the Operating System, including: Memory Load, Free Physical Memory, Page file in use, Configured Working Set Size, Working Set Size, Process Pagefile Use, Process Paged Pool Use and Process NonPaged Pool Use Statistics.
/stats 1 arena.*
Note: this will only work if CR is running on a windows system.