Making sense of inactive RAM
A few users have noticed that over time the amount of free RAM on their systems seems to go down, even if the active RAM size has not changed much. When looking at the "System Memory" pie chart in Activity Monitor, its apparent that the "Inactive" memory segment seems to be growing. The question is whether or not this will affect performance, and what can be done about it?
http://reviews.cnet.com/8301-13727_7-20006694-263.html?part=rss&tag=feed&subj=MacFixIt