[torqueusers] Max mem

Åke Sandgren ake.sandgren at hpc2n.umu.se
Wed Mar 22 00:03:22 MST 2006

On Tue, 2006-03-21 at 18:34 +0100, etienne gondet wrote:
>     My understanding is :
> the right PBS card to limit real memory use and have the job killed if
> going over this limit is
> pvmem and not pmem or mem
> But pvmem only control static and heap memory so if you use
> particularly a fortran compiler in 
> automatic mode for local array  on an application using local array or
> automatic array (dimensionned 
> through an integer argument in a sub routine) you won't control all
> the memory.
> And there is no way to control both stack, heap and static with one
> PBS card.

Not true on Linux from 2.0.0 at least (actually since 1.2.0p6 or so).
The Linux version takes pvmem and puts it into RLIMIT_AS (ulimit -v)
which controls the total available virtual memory for a process which
includes all of the above and then some.

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