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1.
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Opportunistic usage of the CMS online cluster using a cloud overlay
/ Chaze, Olivier (CERN) ; Jean-Marc, Andre (Illinois U., Chicago) ; Andronidis, Anastasios (CERN) ; Behrens, Ulf (CERN) ; Branson, James (San Diego, CASS) ; Brummer, Philipp (CERN) ; Contescu, Alexandru-Cristian (UCT-CERN Res. Ctr.) ; Cittolin, Sergio (San Diego, CASS) ; Craigs, Benjamin (CERN) ; Darlea, Georgiana-Lavinia (Bucharest, Polytechnic Inst.) et al.
After two years of maintenance and upgrade, the Large Hadron Collider (LHC), the largest and most powerful particle accelerator in the world, has started its second three year run. Around 1500 computers make up the CMS (Compact Muon Solenoid) Online cluster. [...]
SISSA, 2016 - 16 p.
- Published in : PoS ISGC2016 (2016) 022
Fulltext: PDF; External link: PoS server
In : Proceedings, International Symposium on Grids and Clouds 2016: Ubiquitous e-infrastructures and Applications, Taipei, Taiwan, 13 - 18 Mar 2016, pp.22
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2.
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Performance of the new DAQ system of the CMS experiment for run-2
/ André, Jean-Marc (Fermilab) ; Andronidis, Anastasios (CERN) ; Behrens, Ulf (DESY) ; Branson, James (UC, San Diego) ; Brummer, Philipp (CERN) ; Chaze, Olivier (CERN) ; Contescu, Cristian (Fermilab) ; Craigs, Benjamin G (CERN) ; Cittolin, Sergio (UC, San Diego) ; Darlea, Georgiana-Lavinia (MIT) et al.
The data acquisition system (DAQ) of the CMS experiment at the CERN Large Hadron Collider (LHC) assembles events at a rate of 100 kHz, transporting event data at an aggregate throughput of more than 100GB/s to the Highlevel Trigger (HLT) farm. The HLT farm selects and classifies interesting events for storage and offline analysis at an output rate of around 1 kHz. [...]
2016 - 4 p.
- Published in : 10.1109/RTC.2016.7543164
In : 20th IEEE-NPSS Real Time Conference, Padua, Italy, 5 - 10 Jun 2016
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3.
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Increasing Availability by Implementing Software Redundancy in the CMS Detector Control System
/ Masetti, Lorenzo (CERN) ; Andre, Jean-Marc (Fermilab) ; Andronidis, Anastasios (CERN) ; Behrens, Ulf (DESY) ; Branson, James (UC, San Diego) ; Chaze, Olivier (CERN) ; Cittolin, Sergio (UC, San Diego) ; Darlea, Georgiana-Lavinia (MIT) ; Deldicque, Christian (CERN) ; Dobson, Marc (CERN) et al.
The Detector Control System (DCS) of the Compact Muon Solenoid (CMS) experiment ran with high availability throughout the first physics data-taking period of the Large Hadron Collider (LHC). This was achieved through the consistent improvement of the control software and the provision of a 24-hour expert on-call service. [...]
2015 - 4 p.
- Published in : 10.18429/JACoW-ICALEPCS2015-WEPGF013
Fulltext: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.WEPGF013
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4.
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Detector Controls Meets JEE on the Web
/ Glege, Frank (CERN) ; Andre, Jean-Marc (Fermilab) ; Andronidis, Anastasios (CERN) ; Behrens, Ulf (DESY) ; Branson, James (UC, San Diego (main)) ; Chaze, Olivier (CERN) ; Cittolin, Sergio (UC, San Diego (main)) ; Darlea, Georgiana-Lavinia (MIT) ; Deldicque, Christian (CERN) ; Dobson, Marc (CERN) et al.
Remote monitoring and controls has always been an important aspect of physics detector controls since it was available. Due to the complexity of the systems, the 24/7 running requirements and limited human resources, remote access to perform interventions is essential. [...]
2015 - 4 p.
- Published in : 10.18429/JACoW-ICALEPCS2015-TUA3O01
Fulltext: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.TUA3O01
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5.
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Enhancing the Detector Control System of the CMS Experiment with Object Oriented Modelling
/ Jiménez Estupiñán, Raúl (CERN) ; Andre, Jean-Marc (Fermilab) ; Andronidis, Anastasios (CERN) ; Behrens, Ulf (DESY) ; Branson, James (UC, San Diego) ; Chaze, Olivier (CERN) ; Cittolin, Sergio (UC, San Diego) ; Darlea, Georgiana-Lavinia (MIT) ; Deldicque, Christian (CERN) ; Dobson, Marc (CERN) et al.
WinCC Open Architecture (WinCC OA) is used at CERN as the solution for many control system developments. This product models the process variables in structures known as data points and offers a custom procedural scripting language, called Control Language (CTRL). [...]
2015 - 4 p.
- Published in : 10.18429/JACoW-ICALEPCS2015-MOPGF025
Fulltext: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.MOPGF025
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6.
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Volatile Environments with Virtualisation Technologies
/ ANDRONIDIS, Anastasios (speaker) (University of Ioannina (GR))
Sometimes our job or even our interest to learn something new, requires from us to install a lot of different software to allow a specific program to run on our operating system. This (in the best case) might just prohibit your program to run due to conflicts between different library or language versions; in the worst case your operating system will start becoming full of junk and later on will be slow and insecure. [...]
2016 - 3109.
inverted CSC; inverted CERN School of Computing 2016
External links: Talk details; Event details
In : inverted CERN School of Computing 2016
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7.
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A scalable monitoring for the CMS Filter Farm based on elasticsearch
/ Andre, Jean-marc Olivier (Fermilab) ; Andronidis, Anastasios (Ioannina U.) ; Behrens, Ulf (DESY) ; Branson, James (UC, San Diego) ; Chaze, Olivier (CERN) ; Cittolin, Sergio (UC, San Diego) ; Darlea, Georgiana Lavinia (MIT) ; Deldicque, Christian (CERN) ; Dobson, Marc (CERN) ; Dupont, Aymeric (CERN) et al.
A flexible monitoring system has been designed for the CMS File-based Filter Farm making use of modern data mining and analytics components. All the metadata and monitoring information concerning data flow and execution of the HLT are generated locally in the form of small "documents" using the JSON encoding. [...]
CMS-CR-2015-060.-
Geneva : CERN, 2015 - 9 p.
- Published in : J. Phys.: Conf. Ser. 664 (2015) 082036
Fulltext: PDF; IOP Open Access article: PDF;
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015, pp.082036
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8.
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Online data handling and storage at the CMS experiment
/ Andre, Jean-marc Olivier (Fermilab) ; Andronidis, Anastasios (Ioannina U.) ; Behrens, Ulf (DESY) ; Branson, James (UC, San Diego) ; Chaze, Olivier (CERN) ; Demiragli, Zeynep (MIT) ; Dobson, Marc (CERN) ; Dupont, Aymeric (CERN) ; Erhan, Samim (UCLA) ; Gigi, Dominique (CERN) et al.
During the LHC Long Shutdown 1, the CMS Data Acquisition (DAQ) system underwent a partial redesign to replace obsolete network equipment, use more homogeneous switching technologies, and support new detector back-end electronics. The software and hardware infrastructure to provide input, execute the High Level Trigger (HLT) algorithms and deal with output data transport and storage has also been redesigned to be completely file- based. [...]
CMS-CR-2015-074.-
Geneva : CERN, 2015 - 9 p.
- Published in : J. Phys.: Conf. Ser. 664 (2015) 082009
Fulltext: PDF; IOP Open Access article: PDF;
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015, pp.082009
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9.
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A New Event Builder for CMS Run II
/ Albertsson, Kim (CERN) ; Andre, Jean-marc Olivier (Fermilab) ; Andronidis, Anastasios (Ioannina U.) ; Behrens, Ulf (DESY) ; Branson, James (UC, San Diego) ; Chaze, Olivier (CERN) ; Cittolin, Sergio (UC, San Diego) ; Darlea, Georgiana Lavinia (MIT) ; Deldicque, Christian (CERN) ; Dobson, Marc (CERN) et al.
The data acquisition system (DAQ) of the CMS experiment at the CERN Large Hadron Collider (LHC) assembles events at a rate of 100kHz, transporting event data at an aggregate throughput of 100GB/s to the high-level trigger (HLT) farm. The DAQ system has been redesigned during the LHC shutdown in 2013/14. [...]
CMS-CR-2015-063.-
Geneva : CERN, 2015 - 9 p.
- Published in : J. Phys.: Conf. Ser. 664 (2015) 082035
Fulltext: PDF; IOP Open Access article: PDF;
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015, pp.082035
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