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Hello,
I have a database that's over 6 Gig, for performance I would like to
load the entire app into ram. and run it there, or at least load the
enitre system onto a RAM disk. Currently the application does not
support SMP, and cannot be distributed--yet. Currently we are having to
deal with the limitations of Microsoft, and their memory system.
With 32 bits you can address upto 4 Gig of RAM, not large enough for my
needs. (I have heard Intel has some ways of paging memory upto 64 Gig
on a P3 or P4, but I do not know the details, I believe that big mem
options allow Linux to access this, but it is not supported my MS.)
Is there a maximum process size smaller than the maximum amount of
addressable memory? (In the MS world I see the app in question crater
when it trys to access more than a Gig.) In 32 bit mode do I have
access to all 4 Gig of RAM?
What effect does enabling 64 bit mode have, when dealing with a 64 bit
proc, and apps? Do I need to worry about process size so long as it is
less than my physical memory size?
Thanks
Rob
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