Appendix F: Large cluster considerations

TORQUE has enhanced much of the communication found in the original OpenPBS project. This has resulted in a number of key advantages including support for:

• larger clusters.
• more jobs.
• larger jobs.
• larger messages.

In most cases, enhancements made apply to all systems and no tuning is required. However, some changes have been made configurable to allow site specific modification. The configurable communication parameters are: node_check_rate, node_ping_rate, and tcp_timeout.

For details, see these topics:

• Scalability guidelines
• End user command caching
• Moab and TORQUE configuration for large clusters
• Starting TORQUE in large environments
• Other considerations

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