ulimit of programs run by mpiexec?

[Garrick Staples]

On Wed, Apr 26, 2006 at 06:35:03PM -0400, Aquarijen alleged:
> Hi,
> I am the admin of a cluster and we use mpiexec and so far, other than
> this one problem, we love it!  I am having a preoblem though...
> How do I change the ulimit of the programs I run using mpiexec or how
> do I source the environment?  PBS seems to realize the correct ulimit
> that I have set in my .bashrc, but the programs launched from mpiexec
> within pbs do not. Let me see if I can explain better

Processes spawn through TM don't necessarily use a shell, much less a
login shell, so mpiexec would have to do something silly like spawn
'$SHELL -l -c $command'.

The ulimit problem should be solved within PBS by setting default or max
memory limits at the server or queue.


-- 
Garrick Staples, Linux/HPCC Administrator
University of Southern California
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