Xcache in the ATLAS Distributed Computing Environment

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Built upon the Xrootd Proxy Cache (Xcache), we developed additional features to adapt the ATLAS distributed computing and data environment, especially its data management system RUCIO, to help improve the cache hit rate, as well as features that make the Xcache easy to use, similar to the way the Sq...

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Detalles Bibliográficos
Autores principales: Hanushevsky, Andrew, Ito, Hironori, Lassnig, Mario, Popescu, Radu, De Silva, Asoka, Simon, Michal Kamil, Gardner, Robert, Garonne, Vincent, Destefano, John, Vukotic, Ilija, Washbrook, Andrew, Yang, Wei
Lenguaje:eng
Publicado: 2018
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/2625240
Descripción
Sumario:Built upon the Xrootd Proxy Cache (Xcache), we developed additional features to adapt the ATLAS distributed computing and data environment, especially its data management system RUCIO, to help improve the cache hit rate, as well as features that make the Xcache easy to use, similar to the way the Squid cache is used by the HTTP protocol. We are optimizing Xcache for the HPC environments, and adapting the HL-LHC Data Lakes design as its component for data delivery. We packaged the software in CVMFS, in Docker and Singularity containers in order to standardize the deployment and reduce the cost to resolve issues at remote sites. We are also integrating it into RUCIO as a volatile storage systems, and into various ATLAS workflow such as user analysis,

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