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CMS Monte Carlo production in the WLCG computing Grid

Hernandez, J. M. and Kreuzer, P. and Mohapatra, A. and De Filippis, N. and De Weirdt, S. and Hof, C. and Wakefield, S. and Guan, W. and Khomitch, A. and Fanfani, A. and Evans, D. and Flossdorf, A. and Maes, J. and van Mulders, P. and Villella, I. and Pompili, A. and My, S. and Abbrescia, M. and Maggi, G. and Donvito, G. and Caballero, J. and Sanches, J. A. and Kavka, C. and van Lingen, F. and Bacchi, W. and Codispoti, G. and Elmer, P. and Eulisse, G. and Lazaridis, C. and Kalini, S. and Sarkar, S. and Hammad, G. (2008) CMS Monte Carlo production in the WLCG computing Grid. Journal of Physics: Conference Series, 119 . 052019. ISSN 1742-6596. doi:10.1088/1742-6596/119/5/052019.

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Monte Carlo production in CMS has received a major boost in performance and scale since the past CHEP06 conference. The production system has been re-engineered in order to incorporate the experience gained in running the previous system and to integrate production with the new CMS event data model, data management system and data processing framework. The system is interfaced to the two major computing Grids used by CMS, the LHC Computing Grid (LCG) and the Open Science Grid (OSG). Operational experience and integration aspects of the new CMS Monte Carlo production system is presented together with an analysis of production statistics. The new system automatically handles job submission, resource monitoring, job queuing, job distribution according to the available resources, data merging, registration of data into the data bookkeeping, data location, data transfer and placement systems. Compared to the previous production system automation, reliability and performance have been considerably improved. A more efficient use of computing resources and a better handling of the inherent Grid unreliability have resulted in an increase of production scale by about an order of magnitude, capable of running in parallel at the order of ten thousand jobs and yielding more than two million events per day.

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van Lingen, F.0000-0001-8259-7063
Additional Information:© 2008 IOP Publishing Ltd.
Record Number:CaltechAUTHORS:20090521-090154809
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Official Citation:CMS Monte Carlo production in the WLCG computing grid J M Hernández, P Kreuzer, A Mohapatra, N D Filippis, S D Weirdt, C Hof, S Wakefield, W Guan, A Khomitch, A Fanfani, D Evans, A Flossdorf, J Maes, P v Mulders, I Villella, A Pompili, S My, M Abbrescia, G Maggi, G Donvito, J Caballero, J A Sanches, C Kavka, F v Lingen, W Bacchi, G Codispoti, P Elmer, G Eulisse, C Lazaridis, S Kalini, S Sarkar and G Hammad 2008 J. Phys.: Conf. Ser. 119 052019 (10pp) doi: 10.1088/1742-6596/119/5/052019
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:14284
Deposited By: Tony Diaz
Deposited On:25 Aug 2009 19:26
Last Modified:19 Jan 2023 16:56

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