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

16 Mar 2011   #11
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

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???
I said it once in this thread, and it's been said countless times since Windows 7's release. It isn't XP, so please don't sell yourself short by assuming it works exactly like Windows XP.

What you are doing, is akin to arguing that cars are still powered by horses in front of them, not realizing the technology has changed quite a bit. Do yourself a favor and do some readon on the subject before calling other viewpoints absurd.

Windows 7 is not Windows XP, and should be left alone to tweak and optimize itself. Yes, that's the exact opposite of what one would do with XP...but that's just one of many reasons why Windows 7 is the most superior Windows desktop OS ever released.


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16 Mar 2011   #12
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

With 16GBs of RAM, the Ramdisk idea may make a certain sense. The controversy stems from the fact that the space that you take away for the Ramdisk will not be available for caching, thus working against you from that aspect. But if you take e.g. 4GBs away for the Ramdisk from a total RAM of 16GB, there is still ample space for caching that will probably never all be used.

Best is to observe your RAM usage behavior in Resource Monitor. There is also a graph on the bottom right of that page which shows you the recent history of hard page faults.
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16 Mar 2011   #13
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

Definitely, and with 16 GB of memory, you won't be paging much and it won't be happening that often....but you need to always allow the OS the ability to do so. There's no need and certainly no benefit to disabling virtual memory.
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16 Mar 2011   #14
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

I think the whole discussion regarding the pagefile is kind of behind us. In previous times when RAM was scarce and paging happened a lot, attention to the pagefile was popular (although most tweaks were useless).

But with recent systems that come with at least 4GB of RAM, the whole subject is really irrelevant. There is so little paging going on, that it does not matter where the pagefile resides. The overall performance impct will be minimal even with the slowest device.

The main use for the pagefile is for the few processes that use it for whatever reason. They propably use the pagemanager as a subroutine because that was the easiest way to implement a certain function. That you find very often in the system (e.g. the partition shrink process using the defrag service).

The other use of the pagefile (as I said before) is for storing a memory dump in case of a BSOD.

So if you are not short in diskspace (like e.g. on a smaller SSD), I would just leavee it up to the system to manage. Deleting the hiberfile is a less consequential option - especially with 16GB of RAM.
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16 Mar 2011   #15
snahl

Windows 7 Professional
 
 

to 'robilong':
Quote:
...I'm suffering of some impatience always, when Windows 7 swaps Lightroom catalog to and from HDD...
Well the answer to your question is not really Windows 7 related.
Check your pagefile when using Lightroom and you will find little activity there.
Lightroom (LR) itself does what you think is swapping, because LR is constantly reading from and writing to the catalog ...\Lightroom 3 Catalog Previews.lrdata\
So even a RAM-Disk won't help to increase LR processing, unless your machine is always on and your LR-catalog resides on that RAM-Disk. Not very a advisable solution at all.

What you can do is to create a RAID1 on two identical disks connected the fastest controller you can get a hold off.
This is the simplest solution to increase LR processing speed.

I am using LR that way and I find it quite responsive with at catalog of 100'000 plus images.
Speaking of LR, in the catalog settings, deselect the option of deleting thumbnails after 30-days. This measure of course increases needs for disk space but that commodity is cheap and LR will not have to recreate thumbnails when they were not used for more than 30-days.
My 5-pennies of LR experience.
Good luck.
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17 Mar 2011   #16
robilong

Windows 7 Enterprise 64 bit
 
 

Thanks for replies. Obviously I must work with my problem longer. It started from the fact that upgrading old XP Pro PC to new hardware with 8GB RAM and W7x64 didn't changed "wait times" during what the HDD red light is furiously blinking. That's most disturbing with Lightroom (today ver 3.3), that I can't browse photos fast and also I can't edit photos when I want but I must wait until W7 and PC agree with each other, that I can do it now.
And all my web searches ended with warning, that playing with page file is dangerous...

And in other hand adding into W7x64 PC extra DDR3 memory for page file instead of slow HDD, should be a most obvious conclusion now, when memory doesn't cost much.
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17 Mar 2011   #17
logicearth

Windows 10 Pro (x64)
 
 

Lets get this out of the way. Your problem is not Windows, is not the pagefile, is not the amount of RAM, not anything related to hardware or Windows. Your problem is Lightroom. Any setting or alteration in Windows will not fix your problem with Lightroom. That is all there is to it.

Lightroom is moving its catalog to and from the HDD, not Windows, not to the pagefile.
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17 Mar 2011   #18
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by logicearth View Post
Lets get this out of the way. Your problem is not Windows, is not the pagefile, is not the amount of RAM, not anything related to hardware or Windows. Your problem is Lightroom. Any setting or alteration in Windows will not fix your problem with Lightroom. That is all there is to it.

Lightroom is moving its catalog to and from the HDD, not Windows, not to the pagefile.
Absolutely right. If you used "normal" tools, you would not have that problem. And Btw: rather than adding more RAM, I would consider an SSD - or even better: a Revo drive.
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17 Mar 2011   #19
snahl

Windows 7 Professional
 
 

Quote:
...upgrading old XP Pro PC
You need to make sure your disks used to upgrade from XP to Win7 are properly aligned.

Quote:
...the HDD red light is furiously blinking
This is a possible reason that your disks are NOT properly aligned and thus all software (OS and programs, not only LR) has to work a lot harder to retrieve data off the disk(s).

My suggestion:
Clear your drives fully with 'diskpart.exe' using the 'clean' option.
Then make a proper clean install of windows 7.

Also, carefully read and follow the many great tutorials available in this forum.

Then when Windows7 is up and running properly AND you still have problems with LR, then it's time to move to a forum that is LR related.

Personally I do NOT recommend the use of a SSD to store your LR catalog. Yes it's very fast, but the many writes LR preforms constantly is also a burden to the SDD and may decrease the great performance of your SSD soon and dramatically.

Good luck.
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17 Mar 2011   #20
Layback Bear

Windows 10 Pro. 64/ version 1709
 
 

robilong please keep in mind that the people here give advice only to help others. I think it is plain to see that most agree on what to do with page filing. I also agree to let Windows 7 handle the page filing and the ram. Mr Bill and Microsoft have finely given us a Operating System that does the job correctly. IMHO I would not change things just to try to get one program to work better. As has been said before; it's the program and not the Operating System. Just a thought. Many have tried as the next step to install a 3rd part program to (tune up ram, operating system and the like). I have found no such program that works. Most do more damage than good.
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 How to tell W7 that extra memory is for page file only




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