Cluster Defaults and Partition Limits

Great Lakes Cluster Defaults

Cluster Defaults Default Value
Default walltime 60 minutes
Default memory Per CPU 768 MB
Default number of CPUs

no memory specified: 1 core
Memory specified: memory/768 = # of cores (rounded down)

/scratch file deletion policy

60 days without being accessed.  (see SCRATCH STORAGE POLICIES below)

/scratch quotas per root account

10 TB storage and 1 million inode limit (see SCRATCH STORAGE POLICIES below)

/home quota per user

80 GB

Max queued jobs per user per account


Shell timeout if idle:

2 hours

Great Lakes Partition Limits

Partition Limit standard gpu spgpu largemem standard-oc debug*
Max walltime 2 weeks
4 hours
Max running Mem per root account 3,500 GB 1.5 TB 660 GB 40 GB
Max running CPUs per root account 500 cores 36 cores 132 cores 8 cores
Max running GPUs per root account n/a n/a n/a n/a

*all debug limits are per user, and only one job can run at a time.  largemem and standard-oc limits are per account

Please see the section on Partition Policies for more details.

Leave a Reply