Hi,
The user can run "ulimit -v VALUE" on the frontend. However, when I
put that command in a slurm script, it says that operation is not
permitted by the user!

[hamid@rocks7 case1_source2]$ ulimit -v 82089600
[hamid@rocks7 case1_source2]$ cat slurm_script.sh
#!/bin/bash
#SBATCH --job-name=hvacSteadyFoam
#SBATCH --output=hvac.log
#SBATCH --ntasks=32
#SBATCH --time=100:00:00
#SBATCH --mem=64000M
ulimit -v 82089600
ulimit -a
mpirun hvacSteadyFoam -parallel
[hamid@rocks7 case1_source2]$ sbatch slurm_script.sh
Submitted batch job 50
[hamid@rocks7 case1_source2]$ cat hvacSteadyFoam.log
/var/spool/slurmd/job00050/slurm_script: line 11: ulimit: virtual
memory: cannot modify limit: Operation not permitted
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 256712
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) 65536000
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 4096
virtual memory          (kbytes, -v) 72089600
file locks                      (-x) unlimited
[hamid@rocks7 case1_source2]$




Any idea?


Regards,
Mahmood

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