Debugging source of unusually high RAM usage/allocation

Hi guys, I seem to be having an issue with the RAM allocation on my system. This only occurs when playing the game "Wildstar". It may be on their end, since the game is in beta, but I would like to figure out what's causing the odd displaying of memory usage in my case. In the Task Manage, while playing the game - memory usage is shown as ~95-98% total, while Wildstar itself is using...