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Architecture and prototype of a WLCG data lake for HL-LHC
/ Bird, Ian (CERN) ; Campana, Simone (CERN) ; Girone, Maria (CERN) ; Espinal, Xavier (CERN) ; McCance, Gavin (CERN) ; Schovancová, Jaroslava (CERN)
The computing strategy document for HL-LHC identifies storage as one of the main WLCG challenges in one decade from now. In the naive assumption of applying today's computing model, the ATLAS and CMS experiments will need one order of magnitude more storage resources than what could be realistically provided by the funding agencies at the same cost of today. [...]
EDP Sciences, 2019 - 6 p.
- Published in : EPJ Web Conf. 214 (2019) 04024
Fulltext: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.04024
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Understanding the Performance of a Prototype of a WLCG Data Lake for HL-LHC
/ Schovancová, Jaroslava (CERN) ; Campana, Simone (CERN) ; Espinal Curull, Xavier (CERN) ; Girone, Maria (CERN) ; Kadochnikov, Ivan (Dubna, JINR) ; McCance, Gavin John (CERN)
Storage is identified as one of the main challenges for WLCG in the next decade in the computing strategy document for HL-LHC [1]. Extrapolating todays computing models, the ATLAS and CMS experiments alone would need one order of magnitude more storage resources than what could be provided by the funding agencies. [...]
2018 - 2 p.
- Published in : 10.1109/eScience.2018.00080
In : 14th eScience IEEE International Conference, Amsterdam, Netherlands, 29 Oct - 1 Nov 2018, pp.332-333
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Sharing server nodes for storage and compute Batch on EOS Extra Resources
/ Schulz, Markus (CERN) ; Jones, Ben (CERN) ; Kiryanov, Andrey (Petersburg Nuclear Physics Institute (RU)) ; Lamanna, Massimo (CERN) ; Mascetti, Luca (CERN) ; McCance, Gavin (CERN) ; Rousseau, Herve (CERN) ; Smith, David (CERN) ; Tollefsen, Havard (Norwegian University of Science and Technology (NTNU) (NO))
Based on the observation of low average CPU utilisation of several hundred disk servers in the EOS storage system at CERN, the Batch on EOS Extra Resources (BEER) project developed an approach to utilise these resources for batch processing. After initial proof of concept tests, showing almost no interference between the batch and storage services, a model for production has been developed and implemented. [...]
IT-TALK-2018-011.-
Geneva : CERN, 2018
Fulltext: PPTX;
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Sharing server nodes for storage and compute
/ Smith, David (CERN) ; Di Girolamo, Alessandro (CERN) ; Glushkov, Ivan (Texas U., Arlington (main)) ; Jones, Ben (CERN) ; Kiryanov, Andrey (St. Petersburg, INP) ; Lamanna, Massimo (CERN) ; Mascetti, Luca (CERN) ; McCance, Gavin (CERN) ; Rousseau, Herve (CERN) ; Schovancova, Jaroslava (CERN) et al.
Based on the observation of low average CPU utilisation of several hundred file storage servers in the EOS storage system at CERN, the Batch on EOS Extra Resources (BEER) project developed an approach to also utilise these resources for batch processing. Initial proof of concept tests showed little interference between batch and storage services on a node. [...]
CERN-IT-Note-2019-001.-
Geneva : CERN, 2019 - 8 p.
- Published in : EPJ Web Conf. 214 (2019) 08025
Fulltext from publisher: PDF; Preprint: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.08025
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Web-based Analysis Services Report
/ Bell, Tim (CERN) ; Canali, Luca (CERN) ; Grancher, Eric (CERN) ; Lamanna, Massimo (CERN) ; McCance, Gavin (CERN) ; Mato Vila, Pere (CERN) ; Piparo, Danilo (CERN) ; Moscicki, Jakub (CERN) ; Pace, Alberto (CERN) ; Brito Da Rocha, Ricardo (CERN) et al.
Web-based services (cloud services) is an important trend to innovate end-user services while optimising the service operational costs. [...]
CERN-IT-Note-2018-004.
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2017. - 28 p.
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Storage Resource Manager version 2.2 : design, implementation, and testing experience
/ Donno, Flavia (CERN) ; Abadie, Lanna (CERN) ; Badino, Paolo (CERN) ; Baud, J P (CERN) ; Corso, Ezio (ICTP, Trieste) ; De Witt, Shaun (RAL) ; Fuhrmann, Patrick (DESY) ; Gu, Junmin (LBNL, Berkeley) ; Koblitz, Birger (CERN) ; Lemaitre, Sophie (CERN) et al.
/GD
Storage Services are crucial components of the Worldwide LHC Computing Grid Infrastructure spanning more than 200 sites and serving computing and storage resources to the High Energy Physics LHC communities. Up to tens of Petabytes of data are collected every year by the four LHC experiments at CERN. [...]
CERN-IT-Note-2007-031.-
Geneva : CERN, 2008 - 10 p.
- Published in : J. Phys.: Conf. Ser. 119 (2008) 062028
Access to fulltext: PDF;
In : International Conference on Computing in High Energy and Nuclear Physics, Victoria, Canada, 2 - 7 Sep 2007, pp.062028
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Next-Generation EU DataGrid Data Management Services
/ Bosio, Diana (CERN) ; Casey, James (CERN) ; Frohner, Akos (CERN) ; Guy, Leanne (CERN) ; Kunszt, Peter (CERN) ; Laure, Erwin (CERN) ; Lemaitre, Sophie (CERN) ; Lucio, Levi (CERN) ; Stockinger, Heinz (CERN) ; Stockinger, Kurt (CERN) et al.
We describe the architecture and initial implementation of the next-generation of Grid Data Management Middleware in the EU DataGrid (EDG) project. The new architecture stems out of our experience and the users requirements gathered during the two years of running our initial set of Grid Data Management Services. [...]
physics/0305134; CHEP-2003-TUAT008.-
2003 - 8 p.
- Published in : eConf C: 0303241 (2003) , pp. TUAT008
Access to fulltext document: PDF; Fulltext: PDF; External links: CERN Library Record; Proceedings write-up on eConf
In : 2003 Conference for Computing in High-Energy and Nuclear Physics, La Jolla, CA, USA, 24 - 28 Mar 2003, pp.TUAT008
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