Re: Do I need a Page File?
- From: "Ken Blake, MVP" <kblake@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 24 Nov 2005 13:34:28 -0700
boe wrote:
> I have 2 GIGs of ram. I don't think I've ever seen my task manager
> tell me I was using more than 1 GIG of RAM. I'd like to avoid it
> ever being touched. Can I do that or does Windows XP really need the
> page file to run?
Yes.
Note two important points:
1. Windows preallocates things to memory, before it even needs them; in many
cases some of those preallocations are never used. Some of those
preallocations are made in the page file. If there is no page file, all
those allocations which will never be used have to made in real memory. The
result is that getting rid of the page files means that you will never be
able to use all of your real memory.
2. There is no possible benefit to getting rid of the page file. If Windows
never needs to use it, then it won't (don't mix up allocation to it with use
of it). Having it there so it's available if you need it can only help you.
It never hurts you.
For more information, read this article by the late Alex Nichol, MVP:
"Virtual Memory in Windows XP" http://www.aumha.org/win5/a/xpvm.htm
--
Ken Blake - Microsoft MVP Windows: Shell/User
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