[torqueusers] Memory allocation issues

Garrick Staples garrick at usc.edu
Mon Aug 13 11:54:50 MDT 2007


On Sun, Aug 12, 2007 at 11:42:09PM -0400, Aaron Knister alleged:
> I'm having problems with my users crashing compute nodes due to code 
> bugs and poor coding. Even when they request -l mem=xyz they can still 
> oversubscribe a node and crash it due to memory over subscription. Other 
> users are becoming frustrated because there are frequently 2 or 3 jobs 
> on a compute node and any given time. Is there a way to effectively jail 
> in a process and subset of processes so that they cannot use more than a 
> given amount of memory?

The "mem" resource doesn't set ulimits.  You want the pmem, vmem, or pvmem
(described in the pbs_resources manpage).
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