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Windows 7: What's eating my ram?

27 Oct 2014   #1

Windows 7 Professional 64bit
What's eating my ram?

I was just wondering if you could tell me what is eating my ram. I don't quite get how much is 1000kb on a scale.

When im doing nothing, and have a few background apps open my ram is at 40%

Attached Images
What's eating my ram?-capture.png 
My System SpecsSystem Spec
27 Oct 2014   #2

W7 Pro SP1 64bit

There are plenty of online calculators that can help you visualize what 1000KB is; here is one:

Convert Computer Memory | Calculate Data Allowance | MB to GB | Online Converter

I don't see any problems with the RAM usage shown in your screenshot. You might want to click on the button named "Show processes from all users" and then sort the info by the memory column.

You might also want to look at the tab named Performance and click on the button named "Resource Monitor...". Once that window appears, select the tab named Memory.
My System SpecsSystem Spec
27 Oct 2014   #3

Windows 7 Pro 64 bit

Adding up the memory usage items in the list will never equal total usage. There are 3 primary reasons for this.

1. By default Task Manager will only show processes running under your own user account and a few others. The screenshot shows that there are 50 processes running but only 15 are shown. You need to click the "Show processes from all users" button to see then all.

2. The "Memory (Private Working Set)" column which is shown by default does not account for the full memory usage of the process. It was never meant to. Typically the full usage of a process will be significantly or in some cases much higher. You need the "Working Set (Memory)" column for that. But even then there are complications.

3. There are major users of memory that are not processes. They include the Non paged pool, the resident portion of the Paged pool, and the file cache. Task Manager will tell you nothing of most of this.

Fulling accounting for memory usage in a modern OS is very difficult.

The initial memory usage of individual processes as shown at bootup is by no means a constant value. Depending on a variety of factors this can vary by a factor of 100 or even more. This usage may seem high but that is only because there is currently no better use for the memory. If memory is needed for other processes this will automatically be trimmed back, drastically if necessary.

Memory management in a modern OS is VERY complex. To reach even my level of understanding has required much study. And I make no claims of being an expert.

I see nothing unusual in the screenshot.
My System SpecsSystem Spec


 What's eating my ram?

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