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Windows 7: How to tell W7 that extra memory is for page file only

15 Mar 2011   #1
robilong

Windows 7 Enterprise 64 bit
 
 
How to tell W7 that extra memory is for page file only

or no virtual memory at all.

Probably the most asked question, which I hope I'm asking from a different angle :-)

In one sentence, it should be very logical, when 8 GB RAM is sufficient + adding 8 GB RAM extra= no need for slow HDD swapping.

That is, I have on my W7x64 PC 8 GB of RAM and virtual memory rotating on HD disk. Everything is fine, or for a Windows 7 at least, while I'm suffering of some impatience always, when W7 swaps Lightroom catalog to and from HDD...

But when I add another 8 GB of fresh memory, how to tell windows 7, that no need to use slow HDD as instead there is another 8 GB of extra memory, which Windows could eat or at least to move it's page file to this extra RAM memory?


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15 Mar 2011   #2
tomaskucinskas

Windows 7 Ultimate x64
 
 

Start > right click on Computer > Properties > on left column advanced system settings > popup will open ant click on settings from performance (first button) another popup will open and when advanced tab and change button and select no paging file > set ok, ok, ok and restart.

Hope it helps.
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15 Mar 2011   #3
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

The LAST thing you want to do is start messing with these settings. This isn't Windows XP you are dealing with, so don't "tweak" it as such. Windows 7 is much smarter with your memory, so it will use what you throw at it. All OSes still using virtual memory, even if you think you have it disabled, so it was even debatable 10 years ago when Windows XP was released.

There's no reason to disable paging in Windows 7, and it will not give you any kind of performance increase. The best tweaking advice for Windows 7, for 18 months now...has been to leave it alone....

...unless of course you don't like stability.
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15 Mar 2011   #4
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

If you delete the page file, I guarantee your system will crash. You can try the minimum settings which is 200MB (I believe). But some programs need the pagefile even if you have acres of free space.

BTW: If you have a pagefile smaller than your RAM, you will not get any dump in the event of a BSOD. It is in the pagefile space where the system stores that dump.
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16 Mar 2011   #5
unifex

Windows 7 Ultimate (x64)
 
 

Well, there is one possibility - if you actually go for 16 GB RAM (which seems a bit too much at the moment), you can use RAM-disk software (a free one you can find here) to create a virtual drive made out of RAM and place your pagefile on it.

There are opposing views (you can find them if you search the Forums on page file and RAM disk) on whether this makes any sense: on one hand, you gain in speed since your RAM is obviously faster than your hard drive; on the other hand, you're sort of wasting your RAM.

My personal experience with it was mixed. If I put the IE9 or FF cache on the RAM disk, then parts of web pages load instantly, but then you notice the delay with other parts (of the same page). Windows tmp folder did not work at all on RAM disk. Not sure why. In my SSD setup I moved it away from the SSD, but to a regular hard drive. If I put it on RAM disk, the system then created various temp folders across the system somehow.
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16 Mar 2011   #6
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

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16 Mar 2011   #7
unifex

Windows 7 Ultimate (x64)
 
 

Bill, here's my typical workload. Of course, I am not editing any video at the moment, but even then (with 90% CPU load) I've never seen more that 3GB used memory. So, if the OP is thinking to go to 16GB ... well, I don't know what he's doing with his PC, but the possibility of memory overload seems rather remote to me. Of course, some programs actually need the page file no matter how much RAM is installed, for these placing the page file on a RAM disk might work just fine. Until some app will come up that will need all 16 GB. For now I am unaware of any such app.


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16 Mar 2011   #8
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

Quote   Quote: Originally Posted by unifex View Post
Bill, here's my typical workload. Of course, I am not editing any video at the moment, but even then (with 90% CPU load) I've never seen more that 3GB used memory. So, if the OP is thinking to go to 16GB ... well, I don't know what he's doing with his PC, but the possibility of memory overload seems rather remote to me. Of course, some programs actually need the page file no matter how much RAM is installed, for these placing the page file on a RAM disk might work just fine. Until some app will come up that will need all 16 GB. For now I am unaware of any such app.
Lol...I cant think of anything to do with 16 gig RAM either. I guess its about being future-proof. My ancient desktop started out with 64mb and most of my machines now have 4 gig- thats like 60 times over. So futureproofness is difficult to predict.

But my only point was no purpose is served by getting rid of the pf completely- whats a couple of 100 mb on giant sized disks?
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16 Mar 2011   #9
robilong

Windows 7 Enterprise 64 bit
 
 

Actually rather controversial if not to say absurd! HDD is times slower then DDR3. When we have 8GB of DDR memory and Windows suggests 1.5 times of it virtual memory, which is sooo muuuuch slower, why can't we add for this purposes more DDR3 memory???
Or even worse, when we add memory and have 16GB, the suggested virtual memory amount is also increased, as a result by adding memory we degrade our PC from other end (by pushing it to use more slower HDD memory).
I use a lot of imaging software, which likes to expand in memory and Windows doesn't let to stop it with physical RAM. Therefore my workflow is rather often interrupted by unexpected HDD page file swapping, which IMO doesn't have any justification except poor programming. Memory is cheep nowadays but still not waste.
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16 Mar 2011   #10
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

Quote   Quote: Originally Posted by robilong View Post
Actually rather controversial if not to say absurd! HDD is times slower then DDR3. When we have 8GB of DDR memory and Windows suggests 1.5 times of it virtual memory, which is sooo muuuuch slower, why can't we add for this purposes more DDR3 memory???
Or even worse, when we add memory and have 16GB, the suggested virtual memory amount is also increased, as a result by adding memory we degrade our PC from other end (by pushing it to use more slower HDD memory).
I use a lot of imaging software, which likes to expand in memory and Windows doesn't let to stop it with physical RAM. Therefore my workflow is rather often interrupted by unexpected HDD page file swapping, which IMO doesn't have any justification except poor programming. Memory is cheep nowadays but still not waste.
You'll mostly get cautious advice in this matter but there're many people out there who dont use a paging file particularly when they have 8 gigs or more of RAM. Its upto you, if it works, go ahead. If it doesnt, go back to a paging file.

You can read more here. Page also contains several good links.

windows server 2008 - Any benefit or detriment from removing a pagefile on an 8GB RAM machine? - Server Fault
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 How to tell W7 that extra memory is for page file only




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