Right now, I have 1217 files, all with today's date. I get about 1900 visitors a day, with 50,000 page views. Does that add up?
Yeah, if you haven't ever checked it, then it sounds like it's cleaning it out as it should be. The length of time they stay in there depends on the garbage collection settings.
The majority are always search engines, because they almost always generate a new session each time they visit. We're going to look into some way of if it's a search engine then it just won't generate a session at all.
