[CentOS] CENTOS 5.5 X86 continue get "out of memory" error?????

mcclnx mcc mcclnx at yahoo.com.tw
Wed Nov 24 19:27:13 EST 2010


Thank you for answer.

This server used to run under CENTOS 3.9 X86 and No problem.  Due to application can not use CENTOS 3.9 we need upgrade to CENTOS 4 or 5.

If I re-install it and use CENTOS 4.8 X86, will problem gone or not?
 
Thanks

--- 10/11/24 (三),John R Pierce <pierce at hogranch.com> 寫道:

> 寄件者: John R Pierce <pierce at hogranch.com>
> 主旨: Re: [CentOS] CENTOS 5.5 X86 continue get "out of memory" error?????
> 收件者: "CentOS mailing list" <centos at centos.org>
> 副本: "mcclnx mcc" <mcclnx at yahoo.com.tw>
> 日期: 2010年11月24日,三,下午7:13
> 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.   this 
> 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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