CERN Accelerating science

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1.
Optimizing distributed file storage and processing engines for CERN's Large Hadron Collider using multi criteria partitioned replication / Boychenko, Serhiy (CERN) ; Zerlauth, Markus (CERN) ; Garnier, Jean-Christophe (CERN) ; Zenha-Rela, Mario (Coimbra U.)
Throughout the last decades, distributed file systems and processing engines have been the primary choice for applications requiring access to large amounts of data. Since the introduction of the MapReduce paradigm, relational databases are being increasingly replaced by more efficient and scalable architectures, in particular in environments where a query is expected to process TBytes or even PBytes of data in a single execution. [...]
2018 - 11 p. - Published in : 10.1145/3154273.3154320
In : 19th International Conference on Distributed Computing and Networking, Varanasi, India, 4 - 7 Jan 2018, pp.1-11
2.
Multi-criteria partitioning on distributed file systems for efficient accelerator data analysis and performance optimization / Boychenko, Serhiy (CERN) ; Galilee, Marc-Antoine (CERN) ; Garnier, Jean-Christophe (CERN) ; Zenha-Rela, Mario (Coimbra U.) ; Zerlauth, Markus (CERN)
Since the introduction of the MapReduce paradigm, relational databases are being increasingly replaced by more efficient and scalable architectures, in particular in environments where a query will process Terabtes or even Petabytes of data in a single execution. The same tendency is observed at CERN, where data archiving systems for operational accelerator data are already working well beyond their initially provisioned capacity. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA036 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA036
3.
Towards a Second Generation Data Analysis Framework for LHC Transient Data Recording / Boychenko, Serhiy (CERN) ; Aguilera-Padilla, Cesar (CERN) ; Dragu, Matei (CERN) ; Galilée, Marc-Antoine (CERN) ; Garnier, Jean-Christophe (CERN) ; Koza, Mateusz (CERN) ; Krol, Kamil (CERN) ; Orlandi, Roberto (CERN) ; Poeschl, Matthias (CERN) ; Ribeiro, Tiago (CERN) et al.
During the last two years, CERNs Large Hadron Collider (LHC) and most of its equipment systems were upgraded to collide particles at an energy level twice higher compared to the first operational period between 2010 and 2013. System upgrades and the increased machine energy represent new challenges for the analysis of transient data recordings, which have to be both dependable and fast. [...]
2015 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2015-WEPGF046 Fulltext: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.WEPGF046
4.
Second Generation LHC Analysis Framework: Workload-based and User-oriented Solution / Boychenko, Serhiy (CERN) ; Aguilera-Padilla, Cesar (CERN) ; Galilée, Marc-Antoine (CERN) ; Garnier, Jean-Christophe (CERN) ; Gorzawski, Arkadiusz (CERN) ; Krol, Kamil (CERN) ; Makai, Jozsef (CERN) ; Osinski, Maciej (CERN) ; Poeschl, Matthias (CERN) ; Rela, Mario (Coimbra U.) et al.
Consolidation and upgrades of accelerator equipment during the first long LHC shutdown period enabled particle collisions at energy levels almost twice higher compared to the first operational phase. Consequently, the software infrastructure providing vital information for machine operation and its optimisation needs to be updated to keep up with the challenges imposed by the increasing amount of collected data and the complexity of analysis. [...]
CERN-ACC-2016-195.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-WEPOR051 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.WEPOR051

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