[CentOS] Centos Virtual Machine 32 bit with 8 GB ram ?

Laurent Wandrebeck l.wandrebeck at gmail.com
Tue Sep 14 09:58:15 EDT 2010

On Tue, 14 Sep 2010 16:45:50 +0300
Roland RoLaNd <r_o_l_a_n_d at hotmail.com> wrote:

> Thanks for your feedback..
> So if i set my VM to 8 GB, each proccess would use a max of 3 GB (even with PAE  installed and selected on boot)?
PAE allows a 32 bits host to see more than 4GB of ram. but each process
is still limited to ~3gb. To dive a bit more into technical details,
PAE is like EMS in DOS time. In EMS, you saw the whole ram, but
couldn't allocate more than 64KB per process. With PAE, the same, with
a limit of 4GB-OS stuff per process, so it gives something like 3GB.
Hope I'm clear.
Laurent Wandrebeck
GPG fingerprint/Empreinte GPG: F5CA 37A4 6D03 A90C 7A1D  2A62 54E6 EF2C
D17C F64C
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