Mark Minasi's Reader Forum - Swap space and Memory page size

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Swap space and Memory page size

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Posted - 09/09/2002 : 09:12:43 AM

Hi,

We all know that in order to increase performance, the Windows pagefile (Swap space)
is best put on a separate disk different from the OS related files.

That seems logical.
So I was asking myself, what should be the most optimal cluster/bloksize for this swap space file.
Usually I reserve a separate partition of 4 Gbyte on my servers that come with 2 Gbyte of memory.
I think that windows uses 4 Kbyte memory pages but it swaps out more than just one page.

So my question is...
Should I format the Swap partition with 64k blocks or just 4K ?

Thanks for any feedback ;-)

adegutis
Administrator

USA
2405 Posts
Status: offline

Posted - 09/09/2002 : 09:38:37 AM

quote:
So my question is...
Should I format the Swap partition with 64k blocks or just 4K ?

A very wise NT/2000/XP guru who has written multiple books on these OSes, has a monthly newsletter and runs this forum once told me, and I quote:

"Clusters gotta be 4K. Or NTFS breaks BAD. On defragging in particular. Default is 4K in my experience but it wouldn't hurt to specify the cluster size when you format. This overrides everything else -- don't mess with it. Besides, the on-disk caching that exists in 100 percent of modern drives really makes this a non-issue.

Al

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