dCache: from Resilience to Quality of Service

dCache: from Resilience to Quality of Service

A major goal of future dCache development will be to allow users to define file Quality of Service (QoS) in a more flexible way than currently available. This will mean implementing what might be called a QoS rule engine responsible for registering and managing time-bound QoS transitions for files o...

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Main Authors: Rossi Albert, Chitrapu Krishnaveni, Garonne Vincent, Litvintsev Dmitry, Meyer Svenja, Millar Paul, Mkrtchyan Tigran, Morschel Lea, Sahakyan Marina
Format: Article
Language:English
Published: EDP Sciences 2021-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2021/05/epjconf_chep2021_02043.pdf
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spelling doaj-eea503ff78b249bdbff590bfc46ccd8d2021-08-26T09:27:25ZengEDP SciencesEPJ Web of Conferences2100-014X2021-01-012510204310.1051/epjconf/202125102043epjconf_chep2021_02043dCache: from Resilience to Quality of ServiceRossi Albert0Chitrapu Krishnaveni1Garonne Vincent2Litvintsev Dmitry3Meyer Svenja4Millar Paul5Mkrtchyan Tigran6Morschel Lea7Sahakyan Marina8Fermi National Accelerator Laboratory FNALNational Super Computer Center, Linköping UniversityNordic e-Infrastructure Collaboration, University of OsloFermi National Accelerator Laboratory FNALDeutches Elektronen-Synchrotron DESYDeutches Elektronen-Synchrotron DESYDeutches Elektronen-Synchrotron DESYDeutches Elektronen-Synchrotron DESYDeutches Elektronen-Synchrotron DESYA major goal of future dCache development will be to allow users to define file Quality of Service (QoS) in a more flexible way than currently available. This will mean implementing what might be called a QoS rule engine responsible for registering and managing time-bound QoS transitions for files or storage units. In anticipation of this extension to existing dCache capabilities, the Resilience service, which maintains on-disk replica state, needs to undergo both structural modification and generalization. This paper describes ongoing work to transform Resilience into the new architecture which will eventually support a more broadly defined file QoS.https://www.epj-conferences.org/articles/epjconf/pdf/2021/05/epjconf_chep2021_02043.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Rossi Albert
Chitrapu Krishnaveni
Garonne Vincent
Litvintsev Dmitry
Meyer Svenja
Millar Paul
Mkrtchyan Tigran
Morschel Lea
Sahakyan Marina
spellingShingle Rossi Albert
Chitrapu Krishnaveni
Garonne Vincent
Litvintsev Dmitry
Meyer Svenja
Millar Paul
Mkrtchyan Tigran
Morschel Lea
Sahakyan Marina
dCache: from Resilience to Quality of Service
EPJ Web of Conferences
author_facet Rossi Albert
Chitrapu Krishnaveni
Garonne Vincent
Litvintsev Dmitry
Meyer Svenja
Millar Paul
Mkrtchyan Tigran
Morschel Lea
Sahakyan Marina
author_sort Rossi Albert
title dCache: from Resilience to Quality of Service
title_short dCache: from Resilience to Quality of Service
title_full dCache: from Resilience to Quality of Service
title_fullStr dCache: from Resilience to Quality of Service
title_full_unstemmed dCache: from Resilience to Quality of Service
title_sort dcache: from resilience to quality of service
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2021-01-01
description A major goal of future dCache development will be to allow users to define file Quality of Service (QoS) in a more flexible way than currently available. This will mean implementing what might be called a QoS rule engine responsible for registering and managing time-bound QoS transitions for files or storage units. In anticipation of this extension to existing dCache capabilities, the Resilience service, which maintains on-disk replica state, needs to undergo both structural modification and generalization. This paper describes ongoing work to transform Resilience into the new architecture which will eventually support a more broadly defined file QoS.
url https://www.epj-conferences.org/articles/epjconf/pdf/2021/05/epjconf_chep2021_02043.pdf
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