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Page Filing

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November 26, 2010 5:28:18 PM

Would there be any problems with turing off/disabling the page file function in windows 7 on a system that has 4GB of RAM but never uses more than 3.2GB of it?

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a b G Storage
November 26, 2010 8:35:41 PM

Most likely not. It depends though. Just try it and if its unstable, boot into safemode and re-enable the pagefile.
a c 209 $ Windows 7
a c 415 G Storage
November 26, 2010 9:13:56 PM

That would give you only 800MB (about 20%) free RAM under maximum usage. That in and of itself isn't a problem, but I'd be concerned that it wouldn't take that much extra usage to hit the limit. And without a pagefile it's a hard limit that will cause your system to start seizing up.

I'd personally be more comfortable with a 50% or larger safety margin.
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a b G Storage
November 27, 2010 1:15:19 AM

I think the OS "preemptively" swaps some RAM out when a certain "threshold" usage is reached. Moreover, when disabled completely, the system might just crash. Therefore I wouldn't disable it completely unless you have even more RAM. Even I keep a small 512MB swap on my 8GB machine, worst case scenario: it won't be used.

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a c 209 $ Windows 7
a c 415 G Storage
November 27, 2010 3:50:16 PM
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I have the pagefile disabled completely and the system works perfectly well without it. There's no need for a pagefile if you have enough RAM. I have 12GB of RAM and rarely use more than half of it.

But the penalty for running out of memory is severe - without a pagefile there's no place to "swap" RAM to - when you run out, you're basically hosed. The system will stop working until you shut down enough programs to free up some memory. (Windows 7 is actually pretty robust - in my experience it doesn't crash, it just stops until you kill something).

That's why I think a 20% safety margin might be cutting it a little close.
a b G Storage
November 27, 2010 3:54:36 PM

^Same. I have 6GB of ram and the system idles at about 950MB usage and even if I have plenty of apps open, usage doesn't go over 3GB really...so I have pagefile disabled and the system works fine, never had any crash or issues. Since I have a tiny 80GB SSD, a giant 6GB pagefile is a space hogger for me.
November 27, 2010 5:11:49 PM

Best answer selected by phoenixlight.
November 27, 2010 5:12:25 PM

Ok thanks for the replies, I think that I'll keep the page file enabled until I get more RAM.
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