Thnak you for answer.
We can NOT use X86_64 due to application NOT support 64 bits.
If I take some RAM out of server (for example take out 32 GB RAM and left 32 GB RAM on server), will problem fix?
Thanks.
--- 10/11/24 (ä)ïJohn R Pierce <pierce@xxxxxxxxxxxx> åéï
> åäè: John R Pierce <pierce@xxxxxxxxxxxx>
> äæ: Re: CENTOS 5.5 X86 continue get "out of memory" error?????
> æäè: "CentOS mailing list" <centos@xxxxxxxxxx>
> åæ: "mcclnx mcc" <mcclnx@xxxxxxxxxxxx>
> ææ: 2010å11æ24æ,ä,äå7:13
> On 11/24/10 3:59 PM, mcclnx mcc
> wrote:
> > we just installed CENTOS 5.5 X86 (32 bits) on DELL
> server. After installed we also apply lated O.S.
> patches.
> >
> > This server have 64 GB RAM and run
> "2.6.18-194.26.1.el5PAE #1 SMP ". when I doing "cp",
> "mv". "ftp", .... it continue "kill" my process and
> pop up "out of memory" on /var/log/messages:
> >
> > ...
> >
> > any one know why?
> >
> > Is CENTOS X86 5..5 really NOT stable version?
>
> no, using 32 bit PAE with 64GB of memory means your page
> tables are
> using ALL of the available 1GB kernel address space
> available.
> the 32 bit kernel chokes itself under these extreme
> conditions.ÂÂÂthis
> is an architectural feature of the Intel x86, the
> "solution" is 64 bit
> mode where the page tables and kernel and a user process
> don't all have
> to fit into 4GB of address space.
>
>
>
>
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