On all nodes we have: $ cat /etc/security/limits.conf
* soft memlock unlimited * hard memlock unlimited ############# jobfile ############### #!/bin/bash #SBATCH -o job-%N-%j.out #SBATCH -J testlimits #SBATCH --nodes=1 whoami echo hostname echo ulimit -a echo ulimit -l unlimited echo ulimit -a ulimit -s unlimited echo ulimit -a ############################# $ sbatch job.sh Submitted batch job 1723 $ cat job-lbs02-1723.out software lbs02 core file size (blocks, -c) 0 data seg size (kbytes, -d) 131072 scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 204800 max locked memory (kbytes, -l) 32 <<<<<==== max memory size (kbytes, -m) unlimited 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) 71680 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited /var/run/slurm/slurmd/job01723/slurm_script: line 18: ulimit: max locked memory: cannot modify limit: Operation not permitted core file size (blocks, -c) 0 data seg size (kbytes, -d) 131072 scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 204800 max locked memory (kbytes, -l) 32 <<<<<==== max memory size (kbytes, -m) unlimited 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) 71680 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited core file size (blocks, -c) 0 data seg size (kbytes, -d) 131072 scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 204800 max locked memory (kbytes, -l) 32 <<<<<==== max memory size (kbytes, -m) unlimited 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) unlimited <<<<<==== cpu time (seconds, -t) unlimited max user processes (-u) 71680 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited But if I login directly on node "lbs02" via ssh both "ulimit -l unlimited" and "ulimit -s unlimited" commands give me no problem at all. [software@lbs02:~]$ ulimit -l unlimited [software@lbs02:~]$ ulimit -s unlimited [software@lbs02:~]$ ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 204800 max locked memory (kbytes, -l) unlimited <<<<<==== max memory size (kbytes, -m) unlimited 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) unlimited <<<<<==== cpu time (seconds, -t) unlimited max user processes (-u) 204800 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited Thanks, --matt
