Monday, October 2, 2017

memory - Why does Windows 7 use the page file when there's free physical RAM?

I am using Windows 7 64 bit with 8G ram. After some use, I feel Windows is getting sluggish. The drive is thrashing. When I look at the resource monitor and disk activity, I see a few instances of use of the page file (c:\pagefile.sys). I check the physical memory and I see about 2.3G available memory and 700M free memroy.


Why doesn't Windows use more of the free memory and less of the page file? Does it need to leave some x amount of free ram, how much would that be? Is it a percentage of physical ram?


My plan is get more ram and an SSD for the main drive. Meanwhile I am suffering from slow performance.

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