1.
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WLCG Monitoring Consolidation and further evolution
/ Saiz, P (CERN) ; Aimar, A (CERN) ; Andreeva, J (CERN) ; Babik, M (CERN) ; Cons, L (CERN) ; Dzhunov, I (CERN) ; Forti, A (Manchester U.) ; di Girolamo, A (CERN) ; Karavakis, E (CERN) ; Litmaath, M (CERN) et al.
The WLCG monitoring system solves a challenging task of keeping track of the LHC computing activities on the WLCG infrastructure, ensuring health and performance of the distributed services at more than 170 sites. The challenge consists of decreasing the effort needed to operate the monitoring service and to satisfy the constantly growing requirements for its scalability and performance. [...]
2015 - 8 p.
- Published in : J. Phys.: Conf. Ser. 664 (2015) 062054
IOP Open Access article: PDF;
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015, pp.062054
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2.
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Experiment Dashboard: A generic, scalable solution for monitoring of the LHC computing activities, distributed sites and services
/ Andreeva, J (CERN) ; Cinquilli, M (CERN) ; Dieguez, D (CERN) ; Dzhunov, I (CERN) ; Karavakis, E (CERN) ; Karhula, P (CERN) ; Kenyon, M (CERN) ; Kokoszkiewicz, L (CERN) ; Nowotka, M (CERN) ; Ro, G (CERN) et al.
The Experiment Dashboard system provides common solutions for monitoring job processing, data transfers and site/service usability. Over the last seven years, it proved to play a crucial role in the monitoring of the LHC computing activities, distributed sites and services. [...]
2012 - 10 p.
In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.032093
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3.
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Processing of the WLCG monitoring data using NoSQL
/ Andreeva, J (CERN) ; Beche, A (CERN) ; Belov, S ; Dzhunov, I ; Kadochnikov, I ; Karavakis, E (CERN) ; Saiz, P (CERN) ; Schovancova, J ; Tuckett, D (CERN)
The Worldwide LHC Computing Grid (WLCG) today includes more than 150 computing centres where more than 2 million jobs are being executed daily and petabytes of data are transferred between sites. Monitoring the computing activities of the LHC experiments, over such a huge heterogeneous infrastructure, is extremely demanding in terms of computation, performance and reliability. [...]
2014 - 7 p.
- Published in : J. Phys.: Conf. Ser. 513 (2014) 032048
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013, pp.032048
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4.
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WLCG Transfers Dashboard: a Unified Monitoring Tool for Heterogeneous Data Transfers
/ Andreeva, J (CERN) ; Beche, A (CERN) ; Belov, S ; Kadochnikov, I ; Saiz, P (CERN) ; Tuckett, D (CERN)
The Worldwide LHC Computing Grid provides resources for the four main virtual organizations. Along with data processing, data distribution is the key computing activity on the WLCG infrastructure. [...]
2014 - 5 p.
- Published in : J. Phys.: Conf. Ser. 513 (2014) 032005
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013, pp.032005
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5.
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Designing and developing portable large-scale JavaScript web applications within the Experiment Dashboard framework
/ Andreeva, J (CERN) ; Dzhunov, I (CERN) ; Karavakis, E (CERN) ; Kokoszkiewicz, L (CERN) ; Nowotka, M (CERN) ; Saiz, P (CERN) ; Tuckett, D (CERN)
Improvements in web browser performance and web standards compliance, as well as the availability of comprehensive JavaScript libraries, provides an opportunity to develop functionally rich yet intuitive web applications that allow users to access, render and analyse data in novel ways. However, the development of such large-scale JavaScript web applications presents new challenges, in particular with regard to code sustainability and team-based work. [...]
CERN-IT-Note-2012-023.-
Geneva : CERN, 2012 - 11 p.
Access to fulltext: PDF;
In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.052069
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6.
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The "Common Solutions" Strategy of the Experiment Support group at CERN for the LHC Experiments
/ Girone, M (CERN) ; Andreeva, J (CERN) ; Barreiro Megino, F H (CERN) ; Campana, S (CERN) ; Cinquilli, M (CERN) ; Di Girolamo, A (CERN) ; Dimou, M (CERN) ; Giordano, D (CERN) ; Karavakis, E (CERN) ; Kenyon, M J (CERN) et al.
After two years of LHC data taking, processing and analysis and with numerous changes in computing technology, a number of aspects of the experiments' computing, as well as WLCG deployment and operations, need to evolve. As part of the activities of the Experiment Support group in CERN's IT department, and reinforced by effort from the EGI-InSPIRE project, we present work aimed at common solutions across all LHC experiments. [...]
2012
- Published in : J. Phys.: Conf. Ser. 396 (2012) 032048
In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.032048
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7.
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Dashboard Task Monitor for managing ATLAS user analysis on the Grid
/ Sargsyan, L (A I Alikhanyan National Scientific Laboratory, Armenia) ; Andreeva, J (CERN) ; Jha, M (Purdue University, United States of America) ; Karavakis, E (CERN) ; Kokoszkiewicz, L (w3widgets.com, Poland) ; Saiz, P (CERN) ; Schovancova, J (Brookhaven National Laboratory, USA) ; Tuckett, D (CERN)
The organization of the distributed user analysis on the Worldwide LHC Computing Grid (WLCG) infrastructure is one of the most challenging tasks among the computing activities at the Large Hadron Collider. The Experiment Dashboard offers a solution that not only monitors but also manages (kill, resubmit) user tasks and jobs via a web interface. [...]
ATL-SOFT-SLIDE-2013-809.-
Geneva : CERN, 2013 - 1 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013
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8.
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New solutions for large scale functional tests in the WLCG infrastructure with SAM/Nagios: the experiments experience
/ Andreeva, J (CERN) ; Dhara, P (Calcutta, VECC) ; Di Girolamo, A (CERN) ; Kakkar, A (Bhabha Atomic Res. Ctr.) ; Litmaath, M (CERN) ; Magini, N (CERN) ; Negri, G (CERN) ; Ramachandran, S (Kalpakkam Reactor Res. Ctr.) ; Roiser, S (CERN) ; Saiz, P (CERN) et al.
Since several years the LHC experiments rely on the WLCG Service Availability Monitoring framework (SAM) to run functional tests on their distributed computing systems. The SAM tests have become an essential tool to measure the reliability of the Grid infrastructure and to ensure reliable computing operations, both for the sites and the experiments. [...]
CERN-IT-Note-2012-020.-
Geneva : CERN, 2012 - 9 p.
Access to fulltext: PDF;
In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.032100
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9.
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Providing global WLCG transfer monitoring
/ Andreeva, J (CERN) ; Dieguez Arias, D (CERN) ; Campana, S (CERN) ; Flix, J (PIC, Bellaterra ; Madrid, CIEMAT) ; Flix, J (PIC, Bellaterra ; Madrid, CIEMAT) ; Keeble, O (CERN) ; Magini, N (CERN) ; Molnar, Z (CERN) ; Oleynik, D (Dubna, JINR) ; Petrosyan, A (Dubna, JINR) et al.
The WLCG[1] Transfers Dashboard is a monitoring system which aims to provide a global view of WLCG data transfers and to reduce redundancy in monitoring tasks performed by the LHC experiments. The system is designed to work transparently across LHC experiments and across the various technologies used for data transfer. [...]
2012
In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.032005
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10.
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Experiment dashboard for monitoring computing activities of the LHC virtual organizations
/ Andreeva, Julia (CERN) ; Boehm, Max (Hewlett-Packard, Roselsheim) ; Gaidioz, Benjamin (CERN) ; Karavakis, Edward (Brunel U. ; CERN) ; Kokoszkiewicz, Lukasz (CERN) ; Lanciotti, Elisa (CERN) ; Maier, Gerhild (CERN) ; Ollivier, William (CERN) ; Rocha, Ricardo (CERN) ; Saiz, Pablo (CERN) et al.
2010 - 17 p.
- Published in : J. Grid Comput. 8 (2010) 323-339
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