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Windows 7: Help finding limits for page file


03 Aug 2013   #1

Windows 7 Professional 64bit
 
 
Help finding limits for page file

I have a HTPC running Win 7, 64 bit with 8GB ram. The pagefile on my SSD is sitting at 8GB and I really don't want to give up that much space since I figure it's not needed. I was reading articles about setting the pagefile according to the peak commit charge. I can't seem to find it under task manager \ performance as the articles suggest. Am I reading a Vista article and the suggestion doesn't apply to Win 7?
If not, any suggestions on what I should look for to find min\max levels for the page file? Thanks for any help.

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03 Aug 2013   #2

Windows 7 Home Premium 32 bit
 
 

Windows Task Manager does not show peak commit charge. Obtaining this value with Windows 7 isn't particularly easy with system tools. I would just set the pagefile to 1 GB minimum (or more if you can spare the disk space), and 8 GB max. 1 GB should be enough but the 8 GB max is just in case. The pagefile will never grow unless the lower value is insufficient.
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04 Aug 2013   #3

Windows 7 Professional 64bit
 
 

Thanks for the reply. So should it always be sitting at 8gb? When I look at the file, it always says 8gb and doesn't seem to change.
My System SpecsSystem Spec
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04 Aug 2013   #4

Windows 7 Home Premium 32 bit
 
 

As long as the initial size of the pagefile is sufficient to for the commit charge it will never be resized. That will be true even if the pagefile is system managed. Only if the commit charge is to high for the present size of the pagefile will it be resized.

The commit limit is approximately the size of the pagefile plus most of RAM. If the commit size is reached and the pagefile cannot be resized then bad things happen. Such as an application or even a system failure. A 1 or 2 GB pagefile is almost certainly going to be enough but the expansion to 8 GB is nice to have , just in case.

There is no performance penalty in having a larger than necessary pagefile.
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05 Aug 2013   #5

Windows 7 Professional 64bit
 
 

Thanks for the replies!
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29 Sep 2013   #6

 
 

I know this sounds wrong but I get best performance with no page file at all - zero on all drives. I've got one computer with 4GB and one with 16GB and I run all kinds of graphic and rendering apps and it really does better without a pagefile.
My System SpecsSystem Spec
29 Sep 2013   #7
4wd

W8+8.1, W7 ult+hp, XP
 
 

Try with Initial size 200 MB, Maximum whatever you want, chances are you'll never see it go above the initial.

You can monitor the actual size (c:\pagefile.sys) using a good file manager (FreeCommander), or tick 'Show hidden files...' and untick 'Hide protected operating...' in Windows Explorer.


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29 Sep 2013   #8

Win 7 Ultimate 64 bit
 
 

When I tried to reduce the maximum size of my page file (which I don't need since, with 32GB of RAM, it is highly unlikely I will ever need virtual memory) to only 200MB (a number I just pulled out of the air), Windows advised me I needed at least 800MB to ensure receiving notifications so I just set it at 800MB.
My System SpecsSystem Spec
29 Sep 2013   #9
4wd

W8+8.1, W7 ult+hp, XP
 
 

Quote:
Windows advised me I needed at least 800MB
On the particular pc I'm using now the recommended min. is 200MB. I guess the size changes according to how much ram is fitted ?


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29 Sep 2013   #10

Win 7 Ultimate 64 bit
 
 

Quote   Quote: Originally Posted by 4wd View Post
Quote:
Windows advised me I needed at least 800MB
On the particular pc I'm using now the recommended min. is 200MB. I guess the size changes according to how much ram is fitted ?
Could be. I have a measly 32GB of RAM. I know the hyberfil.sys file is huge (24GB) because of the amount of RAM I have. I can't reduce it (I may even need to increase it someday) or disable hibernate because my UPS uses hibernate to safely shut my machine without losing any work in progress and not saved yet down in if there is a power outage for more than five minutes (a conservative setting to protect against multiple outages occurring within a short period of time; it has happened).
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 Help finding limits for page file




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