Queues and Reservations

Here are the queues available on Owens. Please note that you will be routed to the appropriate queue based on your walltime and job size request.

Name Nodes available max walltime max job size notes


Available minus reservations

168 hours

1 node



Available minus reservations

 96 hours

8 nodes



Available minus reservations

96 hours

81 nodes




96 hours

1 node

Parhugemem 16 96 hours 16

Restricted access. 

Use "-q parhugemem" to request it


6 regular nodes

4 GPU nodes

1 hour 2 nodes

For small interactive and test jobs during 8AM-6PM, Monday - Friday. 

Use "-q debug" to request it 

"Available minus reservations" means all nodes in the cluster currently operational (this will fluctuate slightly), less the reservations listed below. To access one of the restricted queues, please contact OSC Help. Generally, access will only be granted to these queues if the performance of the job cannot be improved, and job size cannot be reduced by splitting or checkpointing the job.


Occasionally, reservations will be created for specific projects that will not be reflected in these tables.