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First use of LHC Run 3 Conditions Database infrastructure for auxiliary data files in ATLAS

By L. Aperio Bella, D. Barberis, W. Buttinger, A. Formica, E. J. Gallas, L. Rinaldi and G. Rybkin


Processing of the large amount of data produced by the ATLAS experiment requires fast and reliable access to what we call Auxiliary Data Files (ADF). These files, produced by Combined Performance, Trigger and Physics groups, contain conditions, calibrations, and other derived data used by the ATLAS software. In ATLAS this data has, thus far for historical reasons, been collected and accessed outside the ATLAS Conditions Database infrastructure and related software. For this reason, along with the fact that ADF are effectively read by the software as binary objects, this class of data appears ideal for testing the proposed Run 3 conditions data infrastructure now in development. This paper describes this implementation as well as the lessons learned in exploring and refining the new infrastructure with the potential for deployment during Run 2

Topics: Physics and Astronomy (all)
Publisher: 'IOP Publishing'
Year: 2017
DOI identifier: 10.1088/1742-6596/898/4/042002
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