Last update:
Apr 1, 2000
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Modeling LHC Regional Computing Centers with the MONARC Simulation Tools
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The MONARC
Collaboration
Speaker:
Irwin Gaines
The MONARC project has developed a flexible and powerful set of Java based tools to
model the performance of a set of distributed computing resources carrying out typical sets of
reconstruction and analysis tasks for LHC experiments. The tools themselves and their validation
against testbed measurements has been described elsewhere. Here we report the use of these tools
in modeling several aspects of distributed regional center based computing models.
Systems modeled include a single regional center (with parameterized network inputs and
outputs), and a hierarchical collection of differently sized regional and local centers connected
to a central facility at CERN. The models include network and database performance. An adjustable
job mix of different categories of computing jobs is used to study the success of particular
architectures, in particular showing how efficient the use
of computing resources (CPU power, disk space, mass storage, I/O and network bandwidth) is with
differing job scheduling strategies.
Presentation:  |
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