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Mountain Lion grade
Authored by: lowbatteries on Aug 01, '12 01:29:51PM

Free RAM is wasted RAM. Ideally, free RAM should be as low as possible, to make everything you use snappier.

See http://support.apple.com/kb/HT1342?viewlocale=en_US - "inactive" ram is available to apps just like "free" ram is, but has the added benefit that it might hold data you'll use again shortly. So freeing it up has no benefit.



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Mountain Lion grade
Authored by: Robert McMahan on Aug 02, '12 10:26:16AM

"Free RAM is wasted RAM. Ideally, free RAM should be as low as possible, to make everything you use snappier."

That may be true in some cases but certainly not all. If i'm sitting here with 14 MB of free RAM and a spinning beach ball while the system is paging large chunks of data in/out, it is definitely not snappier.



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