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Swapfile size and location

By Jonny2x4 ·
Hello,

I am having trouble finding out the right pagefile size and location. I have read this thread: http://techrepublic.com.com/5100-10879_11-5728295.html?tag=search as well as many other articles about the pagefile including Microsofts article about it.

Now I am currently working on a Windows 2000 Pro machine with 196 MB of RAM and 1 HDD of 8GB. The pagefile on the partition where Windows is installed has a minimum and maximum value of 32MB. I have created a seperate partition for the pagefile which is about 1GB. The minimum and maximum values of this pagefile are about 1GB.
I am using 2 pagefiles because Microsoft recommends to leave a pagefile on the system partition and have a seperate partition for another pagefile. The same minimum and maximum value should prevent the file become fragmented. The system monitor shows that on full load the computer uses little over 300MB of pagefile. Since I can spare 1GB for the pagefile are these settings right or should I set the maximum pagefile to be more around the 300MB range?

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by Jonny2x4 In reply to Swapfile size and locatio ...

Sorry, but I'm working late and got the numbers mixed up. Actually the pagefile is no larger then 35MB. The pagefile is using all the space availeble on the system partition (32MB) and hardly any on the seperate partition I assigned for it.

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by TheChas In reply to Swapfile size and locatio ...

What you have set up is in line with my recommendations on page file settings.

I would recommend 1 change to your settings though.

The page file on the system (C:) drive should be at least as large as your installed system RAM.
If the system drive page file is smaller than the amount of system RAM, Windows will not be able to complete a memory dump should the system crash.

A very good article on the page file is posted at www.aumha.org

Chas

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by HAL 9000 Moderator In reply to Swapfile size and locatio ...

The standard Page file size is 1.5 to 2 times the actual RAM in the computer that is the default size so with 196 MEG of RAM that should be somewhere around the 300 MEG minimum to 400 MEG max as a default size which you can increase and alter where it resides which HDD or Partition but with only 1 HDD installed you will actually be getting slower performance with multiple partitions as the read write heads will be working overtime jumping all over the platters attempting to keep up with the rest of the computer. You can set up the Page File by going into the control panel and opening System on Y2K if I remember correctly and the open performance and change the location ans size of the page file but you have to remember to click on apply or the changes will not be installed.

Col

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by B_Pope In reply to Swapfile size and locatio ...

As HAL 9000 mentioned putting your pagefile on a seperate partition on the same drive will cause a performance hit, so unless you have a 2nd HD leave it on the OS partition.

As far as size goes, I'm going to agree with HAL 9000 on 400MB, since you say the load has been just over 300MB, but I'd also make it a fixed size (put the same value in Initial & Maximum boxes) if you get any out of memory warnings then raise it in 50MB intervals.

If you change the memory dump to a small Memory Dump (64KB) in "Startup and Recovery" you'll never need to worry about making your pagefile at least 1MB larger than your installed RAM. I'd actually recommend changing it because a Complete Memory Dump has never been needed or required, all the information needed is contained within a small memory dump.

Creating a pagefile based on RAM size was needed in 95 days & earlier, but has no bearing on todays OS's, with 2GB of installed RAM I only run a 500MB fixed pagefile, it makes no sense to make the pagefile 2GB or 3GB in size, why would you page everything out to the slow pagefile when you have all that RAM?. On my system with 500MB of RAM the pagefile is still only set at 500MB fixed. I could run it at 300MB since it's only ever paging between 150MB to 200MB, but I'm used to setting the pagefile at 500MB so I don't bother changing it.

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