[GE users] Virtual Memory Ceiling on SGI Altix

Ron Chen ron_chen_123 at yahoo.com
Thu Apr 8 02:38:01 BST 2004


Hi,

There are no pre-compiled binaries for IA64. The
binary that you've downloaded have to be the x86
version.

Can you try to build SGE from source? SGE compiles on
IA64 Linux natively and runs on fine.

 -Ron

--- Tim <tim_mueller at hotmail.com> wrote:
> Hi,
> 
> I'm trying to use SGE EE on an SGI Altix with 12
> Itanium processors, 24 GB of memory, running 64-bit
> Linux (kernel 2.4.21-sgi230r7). I am using the
> pre-compiled IA64 binaries downloaded from
> sunsource.net. I need to have a very large limit for
> virtual memory (ideally unlimited).  However, when I
> submit a job to the Grid Engine queue, the queue
> refuses to set any resource limit above 4 GB. 
> 
> This is not a limit of the operating system; my code
> will run fine from the command line if I set the
> limits to "unlimited". I have also successfully set
> the virtual memory limit to 32 GB from the command
> line. To get the same results in the queue, I have
> tried using ulimit commands in my batch script and
> setting the process limits via qmon.  No matter what
> I do, if I ask for a limit of INFINTY (or any limit
> above 4GB) the queue sets a hard limit of 4GB.
> 
> My guess is that this might have something to do
> with setrlimit vs setrlimit64, but I'm pretty lost.
> I thought the below issue might be similar:
> 
>
http://gridengine.sunsource.net/issues/show_bug.cgi?id=521
> 
> I'd appreciate any help.
> 
> Thanks,
> Tim 


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