September 1, 2006

TORQUE Reaches Milestone, 50,000 Downloads

Cluster Resources writes "Cluster Resources, Inc., a leading provider of cluster, grid, and utility
computing software, announced today that TORQUE* Resource Manager passed a new
milestone in its continued success, reaching 50,000 downloads since August 2005.

Terascale Open-Source Resource and QUEue Manager, more commonly known as
TORQUE, is a resource manager derived from the original Open PBS project that provides
control over batch jobs and distributed compute nodes. With more than 2,500 patches and
enhancements since its release in 2004, TORQUE has incorporated significant advances in
the areas of scalability, flexibility, and feature extensions.

“We are pleased to be part of the TORQUE community project that continues to provide a
leading resource management solution for Top 500 systems and thousands of other clusters
worldwide,” said David Jackson, CTO of Cluster Resources. “Combining professional
development, testing, support, and documentation with the extensive support and
development contributions of the TORQUE community, has proven to be highly successful.”

Over the past six months, TORQUE downloads have grown almost exponentially. Cluster
Resources recorded approximately 33,000 total downloads from February through July,
nearly double the previous six-month’s total. TORQUE is also included for download in most
of the major cluster building kits, including ROCKS, OSCAR, xCAT, and others. When
including these kits, downloads over the past year are estimated at more than 100,000.

Cluster Resources – providers of the Moab family of workload management products –
professionally maintains and develops TORQUE, incorporating hundreds of feature extension
patches from NCSA, OSC, USC, U.S. Department of Energy, Sandia, PNNL, U of Buffalo,
Teragrid and many other leading HPC institutions and individuals in the user community.
Cluster Resources also supports and maintains the TORQUE documentation and user lists,
and provides current versions and patches at

Through TORQUE’s user lists and documentation WIKI, community members are able to
submit or view patches, suggestions, or questions in the archive, and contribute new
information to the user manual, providing an active forum for the development of new ideas.

Garrick Staples, a lead developer of TORQUE, attributes the continued development of
TORQUE to the collaborative efforts of the user community and Cluster Resources.

“Since many TORQUE users are the administrators of their own clusters, their needs often
drive the competitive edge of our development focus,” Staples said. “TORQUE also has the
strong backing of Cluster Resources, through whose leadership, the collective wisdom and
requirements of thousands of sites worldwide are being plugged directly into TORQUE.”

To facilitate community involvement in TORQUE development, Cluster Resources recently
began the use of Subversion – an open-source version control system dedicated to source
configuration management. By integrating anonymous checkout through Subversion, users
can more easily access the TORQUE source code to test and implement their own

“We take suggestions for improvements seriously,” said Josh Butikofer, a product manager
for Cluster Resources. “Whenever users make suggestions and improvements, or request
that TORQUE be able to perform an additional task, the community works together to try and
find a way to make it happen.”

Before making any changes to the original source code, Cluster Resources tests the relevant
submission enhancements in order to ensure the continued reliability and functionality of

Cluster Resources focuses on enabling long-term core enhancements to TORQUE in the
areas of scalability, security, reliability and usability. In recent versions of TORQUE, Cluster
Resources has implemented a number of significant feature enhancements including tight
PAM integration, improved SGI CPUSet support, initial job array support, and dynamic
resource definitions. The newest version of TORQUE, 2.1.2, offers X11 forwarding and also
supports client-commands on Windows using Cygwin.

TORQUE is currently in use at hundreds of leading government, academic, and commercial
sites throughout the world and is used on many of the world's largest clusters and grids.
TORQUE scales from single SMP machines and clusters to sites with tens of thousands of
jobs and nearly 10,000 processors.

“We look forward to continuing the same level of development excellence that has led to
TORQUE's success.” David Jackson said. “We welcome cluster users everywhere to try out
TORQUE, to get involved and to help cultivate the type of ideas that have produced one of
the best community resource management solutions in the HPC industry.”

About Cluster Resources:

Cluster Resources, Inc.TM is a leading provider of workload and resource management software
and services for cluster, grid and utility-based computing environments. At the core of
this solution is Moab Cluster Suite® and Moab Grid Suite® — professional cluster management
solutions that include Moab Workload Manager, a policy-based workload management
and scheduling tool, as well as a graphical cluster administration interface and a Web-based,
end-user job submission and management portal. Cluster Resources also supports and offers
a number of popular open-source solutions including TORQUE Resource Manager, Maui
Cluster Scheduler, and Gold Allocation Manager. With over a decade of industry experience,
Cluster Resources products and services enable organizations to understand, control, and
fully optimize their compute resources and related processes.

For additional press or product information, call (801) 717-3700 or visit

Press Contact: Nick Ihli

Phone: +1 (801) 717-3700



Moab Utility/Hosting Suite®, Moab Cluster Suite®, Moab Workload Manager®, Moab Cluster Manager® , and Moab Access Portal® are
trademarks or registered trademarks of Cluster Resources Inc.TM. All third-party trademarks are the property of their respective owners.
Statements concerning Cluster Resources' future development plans and schedules are made for planning purposes only, and are subject to
change or withdrawal without notice.

* TORQUE Resource Manager includes software developed by NASA Ames Research Center, Lawrence Livermore National Laboratory,
and Veridian Information Solutions, Inc. Visit for OpenPBS software support, products, and information. TORQUE is
neither endorsed by nor affiliated with Altair Grid Solutions, Inc."

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