[GE users] rlimit openmpi IB error

dougalb dougal.lists at gmail.com
Wed May 27 07:02:26 BST 2009


Hi,

Normally I set the execd_params H_MEMORYLOCKED=<mem in node>G. Have
not had an issues since.

e.g. H_MEMORYLOCKED=48G

-Dougal

On Tue, May 26, 2009 at 11:21 PM, hargitai <joseph.hargitai at nyu.edu> wrote:
> Running jobs with 16 cores per node. Quadcore/quadsocket nodes - perhaps too has something to do with the memory usage.
>
>
> Originally the global SGE setting
>
> execd_params H_MEMORYLOCKED=infinity
> plus restarting sge demons on nodes helped.
> (i wonder if an actual number would be better)
>
> In addition I set
>
> * soft memlock unlimited
> * hard memlock unlimited
>
> in /etc/security/limits.conf
>
> I'll try the list suggested
> ulimit - l unlimited in the actual sge startup scripts on nodes.
>
> -
> Reuti
> Did you request/set any limits with SGE's h_vmem/h_stack resource
> request?
> -
>
> no limits or requests set.
>
> Anyway, the errors keep creeping back.
>
> j
>
>
>
>
> j
>
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