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Memory on RHEL 3.0

Memory on RHEL 3.0

2005-05-08       - By Karasik, Vitaly

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Reply:     1     2  


 -- --Original Message-- --
> From: redhat-list-bounces@(protected)
> [mailto:redhat-list-bounces@(protected)] On Behalf Of Yard, John
> Sent: Friday, May 06, 2005 10:15 PM
> To: General Red Hat Linux discussion list
> Subject: Memory on RHEL 3.0
>
>
> I have 2 RHEL 3.0 systems 32 bit systems, one has 12G of
> physical memory, the other has 6G.
> The systems are at the same rpm levels , with the same app
> running ( Sun LDAP ), configured identically.
>
> Yet when I do vmstat the memory free is approximately the same .
> ( Also see free memory in meminfo below ). Am I running into
> a 32bit memory usage limitation ? Is there a better way to
> configure the system to use the 12G I have available, even
> though this is 32 bit ?

It's OK, see for more:
"Understanding Virtual Memory"
[http://www.redhat.com/magazine/001nov04/features/vm/] article from RH
Magazine may be a good start point for learning Virtual Memory
Management in linux kernel.

"Linux Memory Management or 'Why is there no free RAM?"
[http://forums.gentoo.org/viewtopic.php?t=175419] provides VM in linux
overview and answers the famous question " 'Why is there no free RAM?"

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