Here is information on memory on Talapas hosts, how to request it with SLURM, etc.

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Almost certainly different quantities will be added as new hardware is acquired over time. 

To see the actual available memory for hosts in each partition, you can use a command like this

sinfo -e -O partition,cpus,memory,nodes

See Machine Specifications for more details.

Virtual Memory

Currently the compute nodes have no swap space configured.  In almost all scenarios, swapping on compute nodes is unhelpful, or even counterproductive.

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There are only a relatively small number of fat nodes, so in general you can expect to wait longer before your job is scheduled.

Partition default memory settings

View default memory settings for each partition, run

/packages/racs/bin/slurm-show-def-memVirtual Memory

To override the defaults, use slurm’s --mem flag