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

Rudi Ahlers Rudi at SoftDux.com
Tue Sep 14 10:01:13 EDT 2010


On Tue, Sep 14, 2010 at 3:58 PM, Laurent Wandrebeck
<l.wandrebeck at gmail.com> wrote:
> 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
>
> _______________________________________________



Even so, most machines today performs multiple tasks, so 3GB limit per
process isn't really that big an issue, unless you render graphics
with a mono-threaded application.

On servers you generally have more than one process running so the
whole experience will sitll be a good one with 4GB+ RAM, upto 32GB if
memory serves me right?



-- 
Kind Regards
Rudi Ahlers
SoftDux

Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
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Cell: 082 554 7532


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