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Page File Usage - 879mb

SuperPhly

n00b
Joined
Nov 20, 2003
Messages
36
OK, I have a XP Pro system that has currently 512mb of ram. It's a nice system. Athlon 2500, Radeon 9500, etc I'm only running bearshare (which is using 260-something megs of ram), and a bunch (maybe 15) that use around 5-10. Total ram usage should be around 320mb MAX. Well today when I get home from work, my system is DOG slow and sluggish. Like programs had been put to run from the hard drive. No, my system doesn't hibernate or sleep or any of that gay shit.

So I go to the windows task manager and low and behold my page file USAGE is at like 879mb. Which means that my ram must be full, and then an EXTRA 879mb. Where does this come from, and where the hell do I find out where it is.

I did mess with my pagefile settings in the registry a few months back, but from what I was told the settings were minimal changes, nothign as drastic as what I'm experiencing now.
 
OK, I have a XP Pro system that has currently 512mb of ram. It's a nice system. Athlon 2500, Radeon 9500, etc I'm only running bearshare (which is using 260-something megs of ram), and a bunch (maybe 15) that use around 5-10. Total ram usage should be around 320mb MAX. Well today when I get home from work, my system is DOG slow and sluggish. Like programs had been put to run from the hard drive. No, my system doesn't hibernate or sleep or any of that gay shit.

Windows will page out applications if they've been unused for long periods of time. This includes segments of the OS. The VM system is tuned to be very preemptive and expect large loads from user(s) and their applications, hence the willingness to shift things to disk regularly.

So I go to the windows task manager and low and behold my page file USAGE is at like 879mb. Which means that my ram must be full, and then an EXTRA 879mb. Where does this come from, and where the hell do I find out where it is.

That is a false assumption. When programs request memory from windows it will give them space in virtual memory. Very little of what they actually request is used, and will reside in real memory when called on. The rest is pagefile consumption. It is not uncommon to see a few hundred megs of the pagefile use right after boot.
 
So is there any way to turn the stuff off? I mean every app I have running I use fairly frequently. I hate having to come home and have to reload everything from disk after being at work all day. I wish I could just tell XP to leave everything in ram until I run out, then start swapping the oldest stuff....


Any clues?
 
Allthough he could acually set his pagefile to be the same size i.e 768-768,then there would be no page file issues i suppose.Xp wouldnot go crazy with the pageing in and out of the pagefile?
 
Originally posted by SuperPhly
So is there any way to turn the stuff off? I mean every app I have running I use fairly frequently. I hate having to come home and have to reload everything from disk after being at work all day. I wish I could just tell XP to leave everything in ram until I run out, then start swapping the oldest stuff....


Any clues?
There's no real fix for this. It's simply the way that Windows' VM manager works (move to swap as much as possible). Other OSs use different approaches, like Linux, which doesn't even touch the swap space until physical RAM is stuffed.

Suffice it to say that I like Linux's approach a lot more.
 
Try look at the columns "Memory Usage" and "Virtual Memory Size" in Task Manager and see which of your apps are hogging the memory.

Close and relaunch those apps should clear it up. But then again a full reboot probably won't hurt either. :)
 
In the end it's just something you put up with. Relaunching apps and rebooting doesn't do a whole lot since the memory use comes right back.
 
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