GLAS-PPE/2005-09

Distributed Analysis Using DaVinci in the gLite Framework

Stuart K. Paterson (1)

(1) University of Glasgow, Glasgow, G12 8QQ, Scotland

The EGEE gLite framework/prototype was used to perform a distributed analysis on the Grid using DaVinci. Topics covered are ease of use, job splitting and the gLite package manager. DaVinci and its dependent package tarballs were inserted into the file catalogue from the release area to be managed by the gLite package manager. An analysis was carried out on the Bs -> J/Psi Phi channel and is discussed here in a generic sense. 100K DaVinci events were successfully analysed using the gLite prototype, however reliability issues lead to the conclusion that the system is not yet a reliable tool for LHCb physicists at this early stage in its development.

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