Re: Page File Question
- From: Dennis McCunney <Dennis.McCunney@xxxxxxxxxxxxxxx>
- Date: Thu, 26 Apr 2007 20:24:38 -0400
WGD wrote:
Why am I showing that 500-700mB is being consumed for Page File stuff when
(virtually) nothing* is going on and I have 2G Ram sitting there? I
understood PF space is another way of saying Virtual Memory, i.e. swap space
when RAM is choked.
As you say, Windows is a Virtual Memory system. Total memory is
installed RAM + page file size. When there isn't enough RAM to satisfy
a request for allocated memory, Windows swaps some memory pages not
accessed recently to the page file to clear space in RAM. Windows keeps
track of what pages are whwere, so it's transparent to you and your
applications.
But Windows has to *have* a page file. You can specify the size, or you
can let Windows manage it, but one must exist. In a default install,
Windows manages things, and grows and shrinks the page file dynamically
to handle the load.
WayneD
* right now, OE-only is open plus whatever else XP does in the background.
Doesn't matter. There must be a page file.
One trick folks have do to boost performance is to specify the page file
size as a fixed amount. This forces Windows to preallocate the file,
and eliminates grow/shrink activity. Another, if you have more than one
physical drive, is to specify that the page file be physically located
on another drive, so that disk access to the page file is seperate from
disk access to the Windows drive. (If you do this, the drive with the
page file should be at least as fast as the boot drive, and located on a
different IDE connector.)
Since 500MB-700MB is a small faction of current hard drive sizes, why do
you *care*?
______
Dennis
.
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