[GE users] rlimit openmpi IB error

hargitai joseph.hargitai at nyu.edu
Tue May 26 22:21:50 BST 2009

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. 

Did you request/set any limits with SGE's h_vmem/h_stack resource

no limits or requests set. 

Anyway, the errors keep creeping back. 




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