Specifying Maximum and Minimum Walltime in Torque

Specifying Maximum and Minimum Walltime in the queue or globally within the Torque configuration is important or you have users who uses without restraint.

At Torque Server, you can set maximum walltime 

# qmgr -c "set server resources_max.walltime = 720:00:00"

At Queue, you can set maximum walltime,

# qmgr -c "set queue dqueue resources_max.walltime = 720:00:00

For minimum walltime, it seems that you can set at queue level at least for Torque 2.5.x

# qmgr -c "set queue dqueue resources_max.walltime = 00:00:10"