> From: Andrew Miehs [mailto:[EMAIL PROTECTED]
> 32bit OSes can not use more than 4GB RAM. What you are probably
> referring
> to is PAE, and there the kernel splits the 'extra' memory into
> chunks, and
> can give each process part of this chunk - a single process however,
> under
> linux can not use more than 2GB (or 3GB) of RAM (depending on how the
> kernel was compiled)
Let's be clear about the distinction between "OS" and "process managed
by OS":
- The OS as a whole can manage > 4 Gbytes of physical memory using PAE;
- On some OSs (Linux, perhaps?), a user process cannot be allocated > 4
Gbytes of RAM;
- On other OSs (Windows), a user process *can* be allocated > 4 Gbytes
of RAM. Microsoft SQL Server (2000 Enterprise and up) use the
facilities built into Windows 2000 and up to allocate PAE memory to the
sinle SQL Server process.
- Peter
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