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Evolution of user analysis on the grid in ATLAS

A. Dewhurst,Federica Legger

Large Hadron Collider

Atlas (anatomy)

Grid

2017

More than one thousand physicists analyse data collected by the ATLAS experiment at the Large Hadron Collider (LHC) at CERN through 150 computing facilities around the world. Efficient distributed analysis requires optimal resource usage and the interplay of several factors: robust grid and software infrastructures, and system capability to adapt to different workloads. The continuous automatic validation of grid sites and the user support provided by a dedicated team of expert shifters have been proven to provide a solid distributed analysis system for ATLAS users. Typical user workflows on the grid, and their associated metrics, are discussed. Measurements of user job performance and typical requirements are also shown.

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“Evolution of user analysis on the grid in ATLAS” is a paper by A. Dewhurst Federica Legger published in 2017. It has an Open Access status of “gold”. You can read and download a PDF Full Text of this paper here.