The Big Red Cluster

Queue Name Changes

Effective 10/2/2007 the batch queues will be renamed on Big Red to align with TeraGrid partners. This should make it easier for users to transition between TeraGrid resources.

Queue name intended use and characteristics

NORMAL replaces the former queue name BIG.

  • Nodes: 392
  • Maximum nodes per job: 256 (1,024 cores)
  • Maximum nodes per user: 392
  • Maximum wall time: 48 hours (2 days)
  • Maximum CPU time: 48 hours (2 days) per core per job
  • Maximum running jobs in queue: Unlimited
  • Maximum idle jobs in queue: Up to 128
LONG replaces the former queue name MED.

  • Nodes: 368
  • Maximum nodes per job: 64 (256 cores)
  • Maximum nodes per user: 64
  • Maximum wall time: 336 hours (14 days)
  • Maximum CPU time: 336 hours (14 days) per core per job
  • Maximum running jobs in queue: Unlimited
  • Maximum idle jobs in queue: Up to 128
DEBUG replaces the former queue name FAST.

  • Nodes: 4
  • Maximum nodes per job: 4 (16 cores)
  • Maximum nodes per user: 4
  • Maximum wall time: 15 minutes
  • Maximum CPU time: 15 minutes per core per job
  • Maximum running jobs in queue: 1
  • Maximum idle jobs in queue: 1

Wall time limits and node limits per queue will not change. Aliases for the old names will put in place for job submissions but commands like llclass and showq -w class=XXXXX will be affected and users will be required to utilize the new names.

For additional information see Big Red usage policies.

Please send any comments or suggestions to researchtechnologies@iu.edu .