I believe I found your explanation on RH memory.
On 7/4/06, Simon Ball <sball cromwells co uk> wrote:
What's happening here is that the large transfer is
mostly
ending up in the disk cache in ram. The disk cache will take
up ram,
but be relinquished when other things need it (ie. it's as
good as
free memory, over 800meg of it in your case). The reason
none of your
swap is being used is because you do not in any way need it.
Having
zero swap usage is a very good thing, using swap instead of
ram is a
sign your machine is under-speced for the job.
http:
//forums.gentoo.org/viewtopic.php?t=175419 provides a
reasonably concise overview of the problem here.
simon
However, the memory is not released when I want to write
DVDs unless
I reboot the system.
On Sep 5, 2006, at 12:02 PM, Simon Ball wrote:
> Two things...
>
> 1. This is chronically off topic
>
> 2. Search the archives for the list and you'll find a
long
> explanation from myself and various others on how linux
memory
> works, and why this is probably not actually a problem.
>
> Hope it helps, but I suspect the Taroon list would help
you more.
>
> Simon
>
>
> ----- Original Message -----
> From: Margaret Doll <Margaret_Doll brown.edu>
> To: Red Hat Network Users List <rhn-usersredhat.com>
> Sent: Tuesday, September 5, 2006 3:29:51 PM GMT+0000
> Subject: Re: [rhn-users] Memory utilization 100%
>
>
>
>
> On Sep 5, 2006 , at 9:49 AM, Rajkrishna David wrote:
>
>
>
> Hi,
>
> We are running RedHat AS3 Update6 on Dell Intel(R)
Xeon(TM) CPU
> 2.80GHz (Dual) with 8GB RAM.
>
> Even with minimum services running, the memory
utilization reaches
> 100% in 2 or 3 days. Can anyone please advise us on
this ASAP as
> this is a production environment.
>
>
>
> Thanks in advance
>
> I am having the same problem on a production web server
running RH
> E3 Update 6. I never have to reboot to continue the
normal service,
> but if I want to burn cds or dvds I have to reboot to
get enough
> memory free.
>
>
>
>
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>
> --
> Simon Elliston Ball
> Infrastructure Manager
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