[CentOS] CENTOS 5.5 X86 continue get "out of memory" error?????
Robert Heller
heller at deepsoft.com
Thu Nov 25 00:39:05 UTC 2010
At Thu, 25 Nov 2010 08:23:10 +0800 (CST) CentOS mailing list <centos at centos.org> wrote:
>
> Thnak you for answer.
>
> We can NOT use X86_64 due to application NOT support 64 bits.
You can run 32-bit applications with a 64-bit kernel. CentOS / RHEL
installs the 32-bit shared libraries along with the 64-bit libraries.
You can also install xen (or kvm) and run 32-bit slave (virtual)
processes, with reasonable amounts of memory.
>
> 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¸)ï¼John R Pierce <pierce at hogranch.com> 寫éï¼
>
> > å¯ä»¶è
: John R Pierce <pierce at hogranch.com>
> > 主æ¨: Re: [CentOS] CENTOS 5.5 X86 continue get "out of memory" error?????
> > æ¶ä»¶è
: "CentOS mailing list" <centos at centos.org>
> > å¯æ¬: "mcclnx mcc" <mcclnx at yahoo.com.tw>
> > æ¥æ: 2010å¹´11æ24æ¥,ä¸,ä¸å7:13
> > 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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--
Robert Heller -- 978-544-6933 / heller at deepsoft.com
Deepwoods Software -- http://www.deepsoft.com/
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