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I/O performance studies of analysis workloads on production and dedicated resources at CERN / Sciabà, Andrea (CERN) ; Blomer, Jakob (CERN) ; Canal, Philippe (Fermilab) ; Duellmann, Dirk (CERN) ; Guiraud, Enrico (CERN) ; Naumann, Axel (CERN) ; Padulano, Vincenzo Eduardo (CERN) ; Panzer-Steindel, Bernd (CERN) ; Peters, Andreas (CERN) ; Schulz, Markus (CERN) et al.
The recent evolutions of the analysis frameworks and physics data formats of the LHC experiments provide the opportunity of using central analysis facilities with a strong focus on interactivity and short turnaround times, to complement the more common distributed analysis on the Grid. In order to plan for such facilities, it is essential to know in detail the performance of the combination of a given analysis framework, of a specific analysis and of the installed computing and storage resources. [...]
FERMILAB-CONF-24-0689-CSAID.- 2024 - 9 p. - Published in : EPJ Web Conf. 295 (2024) 07025 Fulltext: 9b80f56360993741399aef5f272f8af7 - PDF; document - PDF; External link: Fermilab Library Server
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.07025

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CERN Storage Day: Welcome to the IT Department / Moscicki, Jakub (speaker) (CERN) ; Duellmann, Dirk (speaker) (CERN)
2024 - 595. HEP Computing; EOS 2024 Workshop External links: Talk details; Event details In : EOS 2024 Workshop

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Caching for dataset-based workloads with heterogeneous file sizes / Chuchuk, Olga (CERN ; INRIA, Sophia Antipolis) ; Neglia, Giovanni (INRIA, Sophia Antipolis) ; Schulz, Markus (CERN) ; Duellmann, Dirk (CERN)
Caching can effectively reduce the cost of serving content and improve the user experience. In this paper, we explore the benefits of caching for existing scientific workloads, taking the Worldwide LHC (Large Hadron Collider) Computing Grid as an example. [...]
2022 - 18 p. - Published in : PoS ISGC2022 (2022) 009 Fulltext: PDF;
In : International Symposium on Grids & Clouds (ISGC 2022), Taipei, Taiwan, 21 - 25 Mar 2022, pp.009

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Logistic Information / Duellmann, Dirk (speaker) (CERN)
2023 - 749. DPHEP; PV2023: Adding value (to) and preserving Scientific & Technical data External links: Talk details; Event details In : PV2023: Adding value (to) and preserving Scientific & Technical data

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Welcome to CERN / Duellmann, Dirk (speaker) (CERN)
2023 - 558. Indico; Indico Workshop 3.5 External links: Talk details; Event details In : Indico Workshop 3.5

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IT department Public Cloud Strategy / Jones, Bob (CERN) ; Porcari, Enrica Maria (CERN) ; Duellmann, Dirk (CERN) ; Lueders, Stefan (CERN) ; Di Meglio, Alberto (CERN) ; Barroso Lopez, Maite (CERN)
This document outline the plan to produce a public cloud strategy for the IT department
CERN-IT-Note-2022-002. - 2022. - 1 p.
Access to fulltext

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Geomancy: Automated Performance Enhancement through Data Layout Optimization / Bel, Oceane (UCAL, Santa Cruz) ; Chang, Kenneth (UCAL, Santa Cruz) ; Tallent, Nathan R. (Pure storage) ; Duellmann, Dirk (CERN) ; Miller, Ethan L. (UCAL, Santa Cruz ; Pure storage) ; Nawab, Faisal (UCAL, Santa Cruz) ; Long, Darrell D. E. (UCAL, Santa Cruz)
The size and complexity of large storage systems, such as high-performance computing (HPC) systems, inhibit rapid effective restructuring of data layouts to maintain performance as workloads shift. To address this issue, we have developed Geomancy, a tool that models the placement of data within a distributed storage system and reacts to drops in performance. [...]
2020 - 2 p. - Published in : 10.1109/ISPASS48437.2020.00025
In : IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS), Philadelphia, PA, United States, 29 - 30 Mar 2015, pp.119-120

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Predicting Hard Disk Failure by Means of Automatized Labeling and Machine Learning Approach / Gargiulo, Federico (Naples U. ; CERN) ; Duellmann, Dirk (CERN) ; Arpaia, Pasquale (Naples U. ; CERN) ; Lo Moriello, Rosario Schiano (Naples U.)
Today, cloud systems provide many key services to development and production environments; reliable storage services are crucial for a multitude of applications ranging from commercial manufacturing, distribution and sales up to scientific research, which is often at the forefront of computing resource demands. In large-scale computer centers, the storage system requires particular attention and investment; usually, a large number of diverse storage devices need to be deployed in order to match the varying performance and volume requirements of changing user applications. [...]
2021 - 16 p. - Published in : Appl. Sciences 11 (2021) 8293 Fulltext: PDF;

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CERN RD45 status report: A persistent object manager for HEP / Binko, P (CERN) ; Duellmann, Dirk (CERN) ; Shiers, J (CERN)
RD45 is a CERN project to investigate the issues concerning the storage and manip- ulation of persistent objects for LHC era HEP experiments. There are a number of existing efforts committed to the exploration of Object Oriented (00) techniques in a wide variety of key areas for HEP computing in the LHC era. [...]
1996 - 5 p. - Published in : 10.1142/9789814447188_0061
In : International Conference on Computing in High energy Physics, Rio de Janeiro, Brazil, 18 - 22 Sep 1995, pp.334-338

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New developments in cost modeling for the LHC computing / Biscarat, Catherine (LPSC, Grenoble) ; Boccali, Tommaso (INFN, Pisa) ; Bonacorsi, Daniele (INFN, Bologna) ; Bozzi, Concezio (CERN ; Ferrara U.) ; Costanzo, Davide (Sheffield U.) ; Duellmann, Dirk (CERN) ; Elmsheuser, Johannes (Brookhaven Natl. Lab.) ; Fede, Eric (CC, Villeurbanne) ; Flix Molina, José (Madrid, CIEMAT) ; Giordano, Domenico (CERN) et al.
The increase in the scale of LHC computing during Run 3 and Run 4 (HL-LHC) will certainly require radical changes to the computing models and the data processing of the LHC experiments. The working group established by WLCG and the HEP Software Foundation to investigate all aspects of the cost of computing and how to optimise them has continued producing results and improving our understanding of this process. [...]
2020 - 9 p. - Published in : EPJ Web Conf. 245 (2020) 03014 Fulltext from publisher: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.03014

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参见：相似的作者
163	DUELLMANN, Dirk
5	Duellmann, D
3	Duellmann, D.

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