Major Changes to the LHCb Grid Computing Model in Year 2 of LHC Data

L Arrabito; V Bernardoff; D Bouvet; M Cattaneo; P Charpentier; P Clarke; J Closier; P Franchini; R Graciani; E Lanciotti; V Mendez; S Perazzini; R Nandkumar; D Remenska; S Roiser; V Romanovskiy; R Santinelli; F Stagni; A Tsaregorodtsev; M Ubeda Garcia; A Vedaee; A Zhelezov

doi:10.1088/1742-6596/396/3/032092

Journal of Physics: Conference Series

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Major Changes to the LHCb Grid Computing Model in Year 2 of LHC Data

L Arrabito¹, V Bernardoff², D Bouvet¹, M Cattaneo², P Charpentier², P Clarke³, J Closier², P Franchini⁴, R Graciani⁵, E Lanciotti², V Mendez⁶, S Perazzini⁴, R Nandkumar⁷, D Remenska⁸, S Roiser², V Romanovskiy⁹, R Santinelli², F Stagni², A Tsaregorodtsev¹⁰, M Ubeda Garcia², A Vedaee² and A Zhelezov¹¹

Published under licence by IOP Publishing Ltd
Journal of Physics: Conference Series, Volume 396, Distributed Processing and Analysis on Grids and Clouds Citation L Arrabito et al 2012 J. Phys.: Conf. Ser. 396 032092 DOI 10.1088/1742-6596/396/3/032092

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Author affiliations

¹ CC-IN2P3 Centre de Calcul, France

² CERN, European Organization for Nuclear Research, Switzerland

³ University of Edinburgh, UK

⁴ INFN, Istituto Nazionale di Fisica Nucleare, Italy

⁵ University of Barcelona, Spain

⁶ PIC, Port d'Informació Cientifica, Spain

⁷ STFC, Science & Technology Facilities Council, Great Britain

⁸ NIKHEF, Nationaal Instituut voor Subatomaire Fysica, The Netherlands

⁹ Institute for High Energy Physics, Russia

¹⁰ Universite d'Aix - Marseill II, France

¹¹ Ruprechts-Karls-Universit"at Heidelberg, Germany

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Abstract

The increase of luminosity of the LHC in 2011 also introduced an increase of computing requirements for data processing. This paper describes the data processing operations during 2011 prompt reconstruction as well as the end of year re-processing of the full data sample. It further gives an outlook to next evolutionary steps in the LHCb computing model for 2012 data processing and beyond.

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Major Changes to the LHCb Grid Computing Model in Year 2 of LHC Data

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