Is there any satisfying explanation of where all my RAM is? What is gobbling it up, and why is it leaving no trace?ĮDIT: Here's a picture of the graphical RAM use, as user whs asked for:ĮDIT 2: In response to James' response, here's a picture of the nonpaged processes in poolmon.exe, sorted by size: I see this all the time, on personal computers, laptops, and now servers: the total RAM usage reported by system tools only accounts for about 1/4 of the RAM usage I observe. This says 7.6GB of physical memory is in use. Now here's a screenshot of task manager's Performance tab: I get similar numbers by adding up RAM usage in Task Manager when "Show processes from all users" is enabled. If you right-click the image and open in a new tab, and view the numbers, you'll notice that the Working Set (which doesn't include nonphysical virtual memory) add up to about 1.7GB.
Here's an extreme example I noticed today in Resource Monitor on a server: I just can't figure out where it's being used!
POOLMON TOOL WINDOWS
I have noticed this on many different Windows machine, on many different occasions: the RAM usage reported by Task Manager or Resource Monitor often seems to add up to an amount which is significantly lower than the actual amount in use.įor example, many times on my laptop or my desktop, I have seen something like 7GB in use, and yet the total of the Working RAM Set is more like 3GB.
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