The batch system at Tier-1 is HTCondor 89.80.12 7 (HTCondorTM 8 9.80.127, November 232, 20202021). HTCondor is a specialized batch system for managing compute-intensive jobs, providing a queuing mechanism, scheduling policy, priority scheme, and resource classifications. It is developed by the Center for High Throughput Computing at the University of Wisconsin-Madison (UW-Madison) and all the documentation is available at the dedicated website [5]. Also, the user manual [6] and a Quick Start Guide [7] can be found online. The basis instructions and commands are explained in the following sections.
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