This took me a long time to find. I don’t really know why… Perhaps I’m a little thick…
Anyway, I wanted to find something that would unequivocally tell me that I can have an SGA of 32GB (or some other very large number) using oracle 10G 64 bit with windows 64bit OS. I could not find it anywhere, until… I found it on a blog… Doh.
Let me know if you know where I can get it from the horses mouth (so to speak).
| General Memory Limits | 32-bit | 64-bit |
| Total Virtual Address Space | 4 GB | 16 TB |
| Virtual Address Space per 32-bit process | 2GB (3 GB if system is booted with /3gb switch) | 4GB if compiled with /LARGEADDRESSAWARE 2GB otherwise |
| Virtual Address Space per 64-bit process | Not applicable | 8 TB |
| Paged Pool | 470 MB | 128 GB |
| Non-Paged Pool | 256 MB | 128 GB |
| System Cache | 1 GB | 1 TB |
| Physical Memory and CPU Limits | 32-bit | 64-bit |
| Windows Compute Cluster Server 2003 | NA | 32 GB / 1-4 CPUs |
| Windows Server 2003 Standard Edition | 4 GB / 1-4 CPUs | 32 GB / 1-4 CPUs |
| Windows Server 2003 Enterprise Edition | 64 GB / 1-8 CPUs | 1 TB / 1-8 CPUs |
| Windows Server 2003 Datacenter Edition | 64 GB / 1-32 CPUs | 1 TB / 1-64 CPUs |
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