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CERN Accelerating science

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 department or the wider CERN community.
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IT Notes

Latest additions:
2024-06-11
09:07
RCS-ICT PSO Scientific Network Tags Infrastructure (Scitags) / Babik, Marian (CERN)
WLCG experiments rely on networks as one of the critical components of their infrastructure. [...]
CERN-IT-Note-2024-006.
- 2024.
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2024-06-10
13:59
RCS-ICT PSO Consolidation and Integration of CERN-IT Collaborative Tools / Marshall, Zach (Lawrence Berkeley National Lab. (US)) ; Grancher, Eric (CERN) ; Gonzalez Labrador, Hugo (CERN) ; Mato Vila, Pere (CERN) ; Espinal, Xavier (CERN)
Consolidation and integration in key areas of the catalogue of services offered for collaborative work..
CERN-IT-Note-2024-005.
- 2023.
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2024-06-10
13:52
RCS-ICT PSO RUCIO Scientific Data Management PSO / Barisits, Martin (CERN) ; Lassnig, Mario (CERN) ; Elsing, Markus (CERN) ; Nairz, Armin (CERN)
The aim of this PSO is to reduce this risk and to obtain operational support from CERN IT for Rucio services at CERN, in particular for the production instances of ATLAS and CMS. [...]
CERN-IT-Note-2024-004.
- 2023.
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2024-06-10
13:49
RCS-ICT PSO Centralised Electronic Logbook service proposal / Gamberini, Enrico (CERN) ; Massri, Karim (Lancaster University (GB))
The proposal’s objective is to provide a streamlined deployment procedure for the two most used e-logs in the SME community (ELisA and PSI ELOG) on the CERN PaaS (OpenShift) latform..
CERN-IT-Note-2024-003.
- 2024.
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2024-06-10
13:47
RCS-ICT PSO Large-scale validation and optimisation of RNTuple, the HL-LHC event data format / Blomer, Jakob (CERN) ; Moscicki, Jakub (CERN)
The scope of this initiative is to launch a testbed and performance study for RNTuple on large EOS/XRootD disk pools..
CERN-IT-Note-2024-002.
- 2023.
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2024-06-10
13:43
RCS-ICT PSO: Access and Support for Heterogeneous, non-x86, and latest Single-architecture Chips / Wiebalck, Arne (CERN) ; Girone, Maria (CERN) ; Piparo, Danilo (CERN) ; Blomer, Jakob (CERN)
This PSO aims to establish a consistent framework and processes to express, follow, and resource the transition of a technology from "evaluate" to "in production", leveraging different accesses to non-x86 resources, such as industry collaborations, HPC testbeds, public cloud offerings, and on-premises services [...]
CERN-IT-Note-2024-001.
- 2023.
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2023-10-27
08:39
Identify threat model and protection offered by different encryption possibilities in MySQL, PostgreSQL and Oracle / Wessler Boneti, Guilherme
This report presents a preliminary assessment of the threats and vulnerabilities encountered in database technology, focusing on encryption solutions available for MySQL, PostgreSQL, and Oracle. [...]
CERN-STUDENTS-Note-2023-220.
- 2023.
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2023-10-25
15:37
Cloud Performance Tests - Latency and Throughput / Castro Silva Xapelli De Matos, Mafalda
The goal of this project is to benchmark and compare the performances of load balancers in the areas sdn1 and octavia_t, based on latency and throughput [...]
CERN-STUDENTS-Note-2023-212.
- 2023.
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2023-09-28
16:37
GPU-friendly boundary representation geometry model for simulation / Stan, Eduard George (University of Bucharest (RO)) ; Gheata, Andrei (CERN)
The SFT simulation R\&D group is working on optimizing the performance of the Geant4 particle transport simulation toolkit [...]
CERN-STUDENTS-Note-2023-177.
- 2023.
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2023-09-22
17:17
Evaluate Apache Ranger to provide comprehensive security across the CERN Hadoop ecosystem / Lucas, Clement
This report provides an overview of a 12-week internship project conducted at CERN, focusing on the evaluation and implementation of Apache Ranger to enhance security management within the CERN Hadoop ecosystem. [...]
CERN-STUDENTS-Note-2023-171.
- 2023.
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