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Memory normally refers to RAM. Temporary, high-speed storage used to keep frequently accessed information available for use and helps keep the computer running smoothly

16 votes

What scale or measure does Mavericks' and Yosemite's "memory pressure" adhere to?

Memory pressure is defined by two counters Mach keeps internally: vm_page_free_count: How many pages of RAM are presently free vm_page_free_target: How many pages of RAM, at a minimum, should optimally …
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