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ABOUT IT NOTES
The IT notes collection is intended for IT documents which have not been sent for publication, and are therefore of a more internal nature. They can record any aspect of IT infrastructure or services and need not be peer reviewed, but should be of some lasting value as a reference for other members of the depeartment or the wider CERN community.
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IT Notes

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2019-01-17
11:10
Centralising Elasticsearch / Schwickerath, Ulrich (CERN) ; Saiz, Pablo (CERN) ; Toteva, Zhechka (CERN)
During the past years, the interest in Elasticsearch at CERN has been increasing constantly. [...]
CERN-IT-Note-2019-002. - 2018.

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2019-01-08
09:41
Sharing server nodes for storage and compute / Smith, David (CERN) ; Di Girolamo, Alessandro (CERN) ; Glushkov, Ivan (University of Texas at Arlington (US)) ; Jones, Ben (CERN) ; Kiryanov, Andrey (Petersburg Nuclear Physics Institute (RU)) ; 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. [...]
CERN-IT-Note-2019-001. - 2018. - 8 p.
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2018-09-21
11:29
Honeypot Resurrection - Redesign of CERN’s Security Honeypots / Buschendorf, Fabiola
This summer student’s project is about implementing an updated and improved honeypot solution as part of CERN’s computer network protection. [...]
CERN-STUDENTS-Note-2018-151. - 2018.
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2018-09-05
14:57
Contribution to the new DBOD Web application / Legouix, Baptiste
The multiplication of activities at CERN, the strong trend towards clouding of research and development tools and the decentralisation of computing units have pushed CERN’s dedicated department - the IT-DB department which welcomed me as a Summer Student - to set up a unified web interface allowing database users to carry out ordinary tasks without systematically having to go through the administrator staff. [...]
CERN-STUDENTS-Note-2018-104. - 2018.
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2018-08-30
11:20
Designing and Implementing a Migration Strategy to Move Archived Data from Graphite to InfluxDB / Kapoor, Abhishek
The EOS operations team has been using Graphite for many years in order to monitor and manage large-scale storage systems which are getting data from different CERN experiments, be it LHC experiments such as ATLAS, CMS, ALICE, etc. [...]
CERN-STUDENTS-Note-2018-084. - 2018.
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2018-08-24
13:28
Quantitative Analysis of data Caching for the HL-LHC DataLake / Akira, Lucrece Laura
My work was to measure the throughput and performance characteristics of critical real workloads of LHC experiments with different data proximity,bandwidth and the impact of a cache.After gathering information an analysis of these measurements will help to understand the impact of different scenarios and give insight on how such a system could be optimized..
CERN-STUDENTS-Note-2018-069. - 2018.

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2018-08-15
14:52
Computer Vision and Application to the Classification of the Hadronic Decay Modes of the Tau Lepton with the ATLAS detector / Saxton, Torrey Adam (CERN)
In this report, we examine the use of deep learning neural networks for the classification of hadronic decays [...]
CERN-STUDENTS-Note-2018-025. - 2018.
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2018-08-15
14:50
Computer Vision and Application to the Classification of the Hadronic Decay Modes of the Tau Lepton with the ATLAS detector / Saxton, Torrey Adam (CERN)
In this report, we examine the use of deep learning neural networks for the classification of hadronic decays [...]
CERN-STUDENTS-Note-2018-024. - 2018.

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2018-08-10
14:34
AVEditor - A video editing tool / Tourpetas, Georgios
Aveditor is a web application to edit, split and merge video channels in the Academic Training video collection in CDS. [...]
CERN-STUDENTS-Note-2018-017. - 2018.
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2018-08-03
12:08
Tool for the analysis of the telephony networks’ effectiveness / Kouti, Georgia
Creation dashboards via Kibana for the analysis of the telephony networks’ effectiveness
CERN-STUDENTS-Note-2018-011. - 2018.
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