Seems like you aren't specifying a --mem option, so the default would be to ask for a whole-node’s worth of RAM thus you would use the whole node for each job.
Hope this is useful! Merlin -- Merlin Hartley Computer Officer MRC Mitochondrial Biology Unit University of Cambridge Cambridge, CB2 0XY United Kingdom > On 14 Feb 2019, at 02:21, Wang, Liaoyuan <wan...@alfred.edu > <mailto:wan...@alfred.edu>> wrote: > > Dear there, > > I wrote an analytic program to analyze my data. The analysis costs around > twenty days to analyze all data for one species. When I submit my job to the > cluster, it always request one node instead of one CPU. I am wondering how I > can ONLY request one CPU using “sbatch” command? Below is my batch file. Any > comments and help would be highly appreciated. > > Appreciatively, > Leon > ================================================ > #!/bin/sh > > #SBATCH --ntasks=1 > #SBATCH --cpus-per-task=1 > #SBATCH -t 45-00:00:00 > #SBATCH -J 9625%j > #SBATCH -o 9625.out > #SBATCH -e 9625.err > > /home/scripts/wcnqn.auto.pl > =========================================== > Where wcnqn.auto.pl is my program. 9625 denotes the species number. -- Merlin Hartley Computer Officer MRC Mitochondrial Biology Unit University of Cambridge Cambridge, CB2 0XY United Kingdom
