Well, with the Squid example, it's that paging out to disk wasn't even really a consideration. What if your system simply has lots of ram and no swap? THat so

Well, with the Squid example, it's that paging out to disk wasn't even really a consideration. What if your system simply has lots of ram and no swap? THat sort of takes care of things right there, doesn't it, and let the OS file caching mechanism do it's thing. After all - if you are swapping, you'er taking a huge performance hit.