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 largemem standard-oc viz debug*
Max walltime 2 weeks

1 day 4 hours
Max running Mem per root account 3,500 GB 1.5 TB 660 GB 189 GB 40 GB
Max running CPUs per root account 500 cores 36 cores 132 cores 36 cores 8 cores
Max running GPUs per root account n/a 5 Tesla V100 n/a n/a 1 Tesla P40 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</strong

Please see the section on Partition Policies for more details.

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