[slurm-users] Memory allocation error

Mahmood Naderan mahmood.nt at gmail.com
Tue Mar 13 23:44:58 MDT 2018

Excuse me, but it doesn't work. I set --mem to 2GB and I put free
command in the script. I don't know why it failed.

[mahmood at rocks7 ~]$ sbatch sl.sh
Submitted batch job 19
[mahmood at rocks7 ~]$ squeue
             JOBID PARTITION     NAME     USER ST       TIME  NODES
[mahmood at rocks7 ~]$ cat test.out
              total        used        free      shared  buff/cache   available
Mem:           7.6G        127M        6.8G        8.5M        729M        7.3G
Swap:          2.4G          0B        2.4G
galloc:  could not allocate memory.: Cannot allocate memory
[mahmood at rocks7 ~]$ head -n 4 test.gjf
# mp2/gen pseudo=read opt freq

[mahmood at rocks7 ~]$ cat sl.sh
#SBATCH --output=test.out
#SBATCH --job-name=ga-test
#SBATCH --nodelist=compute-0-1
#SBATCH --ntasks=1
#SBATCH --cpus-per-task=2
#SBATCH --mem=2GB
free -mh
g09 test.gjf
[mahmood at rocks7 ~]$

On Tue, Mar 13, 2018 at 4:20 PM, Christopher Samuel <chris at csamuel.org> wrote:
> You've not requested any memory in your batch job and I guess your
> default limit is too low.
> To get the 1GB (and a little head room) try:
> #SBATCH --mem=1100M
> That's a per node limit, so for MPI jobs (which Gaussian is not)
> you'll need a different parameter.
> All the best,
> Chris
> --
>  Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC

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