At Thu, 25 Nov 2010 08:23:10 +0800 (CST) CentOS mailing list <centos@xxxxxxxxxx> 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¸?)ï¼?John R Pierce <pierce@xxxxxxxxxxxx> 寫é??ï¼? > > > å¯?件è??: John R Pierce <pierce@xxxxxxxxxxxx> > > 主æ?¨: Re: CENTOS 5.5 X86 continue get "out of memory" error????? > > æ?¶ä»¶è??: "CentOS mailing list" <centos@xxxxxxxxxx> > > å?¯æ?¬: "mcclnx mcc" <mcclnx@xxxxxxxxxxxx> > > æ?¥æ??: 2010å¹´11æ??24æ?¥,ä¸?,ä¸?å??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. > > > > > > > > > > > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos > > -- Robert Heller -- 978-544-6933 / heller@xxxxxxxxxxxx Deepwoods Software -- http://www.deepsoft.com/ () ascii ribbon campaign -- against html e-mail /\ www.asciiribbon.org -- against proprietary attachments
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