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

mcclnx mcc mcclnx at yahoo.com.tw
Wed Nov 24 19:23:10 EST 2010


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 (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.
> 
> 
> 
> 


      


More information about the CentOS mailing list