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Dissertations / Theses on the topic 'Cluster File System'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Lopes, Paulo Orlando Reis Afonso. "A shared-disk parallel cluster file system." Doctoral thesis, FCT - UNL, 2009. http://hdl.handle.net/10362/2082.

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Dissertação apresentada para obtenção do Grau de Doutor em Informática Pela Universidade Nova de Lisboa, Faculdade de Ciências e Tecnologia<br>Today, clusters are the de facto cost effective platform both for high performance computing (HPC) as well as IT environments. HPC and IT are quite different environments and differences include, among others, their choices on file systems and storage: HPC favours parallel file systems geared towards maximum I/O bandwidth, but which are not fully POSIX-compliant and were devised to run on top of (fault prone) partitioned storage; conversely, IT data c

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2

D'Souza, Jude Clement. "KTHFS – A HIGHLY AVAILABLE ANDSCALABLE FILE SYSTEM." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-117918.

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KTHFS is a highly available and scalable file system built from the version 0.24 of the Hadoop Distributed File system. It provides a platform to overcome the limitations of existing distributed file systems. These limitations include scalability of metadata server in terms of memory usage, throughput and its availability. This document describes KTHFS architecture and how it addresses these problems by providing a well coordinated distributed stateless metadata server (or in our case, Namenode) architecture. This is backed with the help of a persistence layer such as NDB cluster. Its primary

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3

Patil, Swapnil. "Scale and Concurrency of Massive File System Directories." Research Showcase @ CMU, 2013. http://repository.cmu.edu/dissertations/250.

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File systems store data in files and organize these files in directories. Over decades, file systems have evolved to handle increasingly large files: they distribute files across a cluster of machines, they parallelize access to these files, they decouple data access from metadata access, and hence they provide scalable file access for high-performance applications. Sadly, most cluster-wide file systems lack any sophisticated support for large directories. In fact, most cluster file systems continue to use directories that were designed for humans, not for large-scale applications. The former

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Neugebauer, Felix. "Application of Porter's Diamond Model for the Building Environment." St. Gallen, 2008. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/05610381001/$FILE/05610381001.pdf.

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5

De, Cristofaro Tiziano. "Gestione di dati scientifici tramite tracciamento degli eventi in file system distribuiti." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/23330/.

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Presso il centro di calcolo Tier-1 del CNAF la ricerca di eventi sui file, siano essi scritture, accessi, modifiche nei metadati, etc., è attualmente effettuata tramite scansioni dei singoli file system. Queste operazioni possono richiedere anche diversi minuti e nei prossimi anni, con una previsione di un aumento significativo nella quantità di dati da gestire, potrebbero essere ancora più onerose. Per questi motivi, si intende valutare se e come è possibile superare questo approccio tramite la tracciatura degli eventi che avvengono sui file. A tal proposito saranno studiate le tecnologie c

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6

Wu, Jiesheng. "Communication and memory management in networked storage systems." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1095696917.

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7

Cheng, Lu. "Concentric layout, a new scientific data layout for matrix data set in Hadoop file system." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4545.

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The data generated by scientific simulation, sensor, monitor or optical telescope has increased with dramatic speed. In order to analyze the raw data speed and space efficiently, data pre-process operation is needed to achieve better performance in data analysis phase. Current research shows an increasing tread of adopting MapReduce framework for large scale data processing. However, the data access patterns which generally applied to scientific data set are not supported by current MapReduce framework directly. The gap between the requirement from analytics application and the property of Map

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Konečný, Tomáš. "Oprava metadat souborového systému FAT32." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316925.

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This work relates to problematics of FAT32 file system metadata recovery from damaged flash drive or memory card and design of program capable of such recovery and comparision with existing solution for this task.

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9

Lombard, Pierre. "NFSP : Une solution de stockage distribué pour architectures grande échelle." Phd thesis, Grenoble INPG, 2003. http://tel.archives-ouvertes.fr/tel-00004373.

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Le stockage de données utilise souvent des systèmes se caractérisant par une grande intrusivité : ceux-ci requièrent de nombreuses modifications logicielles, voire parfois même matérielles, pour être déployés et utilisés. Notre solution consiste à offrir un stockage distribué logiciel pour architectures de type grappes de nature faiblement intrusive dans la mesure où le protocole standard omni-présent du monde Unix, NFS, est utilisé. L'approche retenue se caractérise par une séparation de la gestion des méta-données et des données permettant ainsi de répartir la charge d'entrées/sorties et d'o

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10

Noronha, Ranjit Mario. "Designing High-Performance And Scalable Clustered Network Attached Storage With Infiniband." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1218608130.

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11

Islam, Nusrat Sharmin. "High Performance File System and I/O Middleware Design for Big Data on HPC Clusters." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480476699154944.

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12

Hermann, Everton. "Dinamismo de servidores de dados no sistema de arquivos dNFSp." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/7821.

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Um dos maiores desafios no desenvolvimento de sistemas de alto desempenho é a questão da transferência e armazenamento de grandes quantidades de dados dentro do sistema. Diferentes abordagens tentam solucionar este problema. Entre elas, tem-se os sistemas de arquivos voltados para cluster, como PVFS, Lustre e NFSp. Eles distribuem as funções de armazenamento entre os nós do cluster. Na maioria dos casos, os nós do sistema de arquivos são divididos em duas categorias: servidores de dados e servidores de metadados. Assim, fica a cargo do administrador determinar como estes servidores são dispost

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13

Ren, Mengying. "Cluster-based Data Dissemination in Vehicular Ad-hoc Networks (VANETs)." Thesis, Troyes, 2018. http://www.theses.fr/2018TROY0007.

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En raison de l’essor rapide des technologies de communication sans fil et de la demande croissante de services dans les réseaux ad hoc véhiculaires (VANETs), le besoin d’algorithmes de clustering efficaces est nécessaire pour résoudre le problème de mise à l’échelle et le besoin croissant d'applications dans les VANETs. Cependant, à cause de la nature dynamique des VANETs, les algorithmes de clustering doivent assurer la stabilité du cluster. Pour cela, l’objectif de la thèse est de proposer un cadre générique servant à définir des algorithmes de clustering afin d'améliorer la stabilité du clu

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14

Gideon, John. "The Integration of LlamaOS for Fine-Grained Parallel Simulation." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1377872370.

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15

Dean, Emma. "Developing a methodological geographic information system framework to augment identification of future risk of anomalous dwelling fires." Thesis, Liverpool John Moores University, 2015. http://researchonline.ljmu.ac.uk/4559/.

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This thesis outlines research completed in partnership between Merseyside Fire and Rescue Service and Liverpool John Moores University. The aim of the research was to investigate ways to develop and implement a bespoke Geographic Information System framework that could be used to identify risk of future anomalous accidental dwelling fires. This thesis outlines the techniques used to develop the framework and its application. In particular, the thesis presents an understanding of accidental dwelling fire causal factors and how data related to these can be incorporated into a model for identifyi

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16

Sahoo, Hiranya. "4D evolution of fluvial system and channel-fill architecture of the Cretaceous Blackhawk Formation, Wasatch Plateau, Utah: An integrated fluvial rock record analysis." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1771.

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Using an integrated dataset comprising outcrop, core, GPR and LiDAR data, this study targets a high-quality outcrop "window" of the upper Cretaceous Blackhawk Formation in the eastern Wasatch Plateau in central Utah, spanning a fairly large spatial (~30 km2 area comprising eight contiguous, and vertical cliff faces) and temporal (~4 my) range. This research provides field-validation and -calibration of a wider range of fluvial heterogeneity: 1) large-scale heterogeneity (10’s of m vertically and 100’s of m laterally), 2) intermediate-scale heterogeneity (1’s of m vertically and 10’s of m later

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17

Ben, Zid Maha. "Emploi de techniques de traitement de signal MIMO pour des applications dédiées réseaux de capteurs sans fil." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENT017/document.

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Dans ce travail de thèse, on s'intéresse é l'emploi de techniques de traitement de signal de systèmes de communication MIMO (Multiple Input Multiple Output) pour des applications aux réseaux de capteurs sans fil. Les contraintes énergétiques de cette classe de réseau font appel à des topologies particulières et le réseau peut être perçu comme étant un ensemble de grappes de nœuds capteurs. Ceci ouvre la porte à des techniques avancées de communication de type MIMO. Dans un premier temps, les différents aspects caractérisant les réseaux de capteurs sans fil sont introduits. Puis, les efforts en

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18

Liu, Lingfeng. "Cooperative wireless channel characterization and modeling: application to body area and cellular networks." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209722.

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Cooperative wireless communication is an attractive technique to explore the spatial channel resources by coordination across multiple links, which can greatly improve the communication performance over single links. In this dissertation, we study the cooperative multi-link channel properties by geometric approaches in body area networks (BANs) and cellular networks respectively.<p><p>In the part of BANs, the dynamic narrowband on-body channels under body motions are modeled statistically on their temporal and spatial fading based on anechoic and indoor measurements. Common body scattering is

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19

WANG, CHIEN-HSIANG, and 王建翔. "Building a Cluster File Exchange Platform Based on Distributed File System." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/y39qqn.

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碩士<br>世新大學<br>資訊管理學研究所(含碩專班)<br>106<br>By the growth of business, enterprises have built varies applications to support all their business activities. Data were exchange among these systems to provide correct and real-time services. Building a data exchange platform has become an important investment of digitalization. Most of the enterprise has 1 or more way for data exchange and management. Besides of how to integrate those data exchange methods and build a cost efficient, highly stable and easy to maintain platform, data integrity, reliability and flexibility (be able to add a node dynamica

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20

Juan, Tung-Hsien, and 阮東憲. "Designing and Analyzing a Cluster System for Network File Services." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/58158000805845496909.

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碩士<br>南台科技大學<br>資訊管理系<br>94<br>We built a cluster network file system based on parallel virtual file system and Linux virtual server. We do the experiment with different number of nodes, varying number of requirements and altering size of files. We analyze the factors that influence the performance of system and prove with the experimental results. The results of the research pointed out that the cluster network file system based on parallel virtual file system and Linux virtual server is really suitable for many people to read the file of the same size at the same time. We conclude that th

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21

Queirós, Jorge Afonso Barandas. "Implementing Hadoop distributed file system (hdfs) Cluster for BI Solution." Master's thesis, 2021. https://hdl.handle.net/10216/133038.

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Queirós, Jorge Afonso Barandas. "Implementing Hadoop distributed file system (hdfs) Cluster for BI Solution." Dissertação, 2021. https://hdl.handle.net/10216/133038.

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23

Liu, Chih-Yao, and 劉智堯. "An FTP Server Cluster Supporting Scalable Distributed File System for Cloud Computing." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/18916357264708454539.

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碩士<br>國立暨南國際大學<br>資訊管理學系<br>100<br>As the rapid growth of Internet, web services, and amount of users, many popular web sites such as Google and Yahoo! bring the network bandwidth and the server loading a great challenge. Building a computing platform which is cost effective, highly efficient, scalable, and easy to maintain is thus very important. For example, Yahoo! uses Hadoop as the cloud computing platform that includes a parallel computing architecture and the Hadoop Distributed File System (HDFS). HDFS contains mechanisms of file backup and fault tolerance to ensure data integrity and re

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VARSHNEY, PRATEEK KUMAR VARSHNEY. "IMPLEMENTING PARALLEL PSO ALGORITHM USING MAPREDUCE ARCHITECTURE." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14678.

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ABSTRACT Optimization is the problem of finding minimum or maximum of a given objective function relative to some set, often representing a range of choices available in a certain situation. Particle Swarm Optimization (PSO) is a simple and effective evolutionary algorithm, but it may take a reasonable time to optimize complex objective functions which are deceptive or expensive. To avoid being trapped in local optima, Particle Swarm Optimization requires extensive exploration for multimodal and multidimensional functions. Expensive functions whose computational complexity may arise from depe

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Tu, Chien-wei, and 杜建緯. "Performance Prediction of Cluster File Systems." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/23024096426664011271.

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碩士<br>國立中正大學<br>通訊工程研究所<br>97<br>The world today is full of computers. Many individuals have more than one computers or computing devices. With the development of computer and digital information, size of file and capacity of storage are getting larger. On the other hand, cost of devices is becoming cheaper. Base on these reasons, the new concept of “network storage” starts to emerge. Efficiency of network storage becomes more and more important. How to access remote storage efficiently is a critical issue too. A new development “Cluster file system” based on “Cluster computer system” (In a co

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26

Srimugunthan, *. "Efficient Usage Of Flash Memories In High Performance Scenarios." Thesis, 2012. https://etd.iisc.ac.in/handle/2005/2562.

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New PCI-e flash cards and SSDs supporting over 100,000 IOPs are now available, with several usecases in the design of a high performance storage system. By using an array of flash chips, arranged in multiple banks, large capacities are achieved. Such multi-banked architecture allow parallel read, write and erase operations. In a raw PCI-e flash card, such parallelism is directly available to the software layer. In addition, the devices have restrictions such as, pages within a block can only be written sequentially. The devices also have larger minimum write sizes (>4KB). Current flash transla

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Srimugunthan, *. "Efficient Usage Of Flash Memories In High Performance Scenarios." Thesis, 2012. http://etd.iisc.ernet.in/handle/2005/2562.

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New PCI-e flash cards and SSDs supporting over 100,000 IOPs are now available, with several usecases in the design of a high performance storage system. By using an array of flash chips, arranged in multiple banks, large capacities are achieved. Such multi-banked architecture allow parallel read, write and erase operations. In a raw PCI-e flash card, such parallelism is directly available to the software layer. In addition, the devices have restrictions such as, pages within a block can only be written sequentially. The devices also have larger minimum write sizes (>4KB). Current flash transla

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28

Guo, Lian-Feng, and 郭連峰. "System Support for Content-aware Request Distribution with Cooperative File Caching in Web Clusters." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/19363710609858841980.

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碩士<br>國立暨南國際大學<br>資訊管理學系<br>94<br>In this thesis, we have designed and implemented the content-based web cluster named LVS-CAD/CFC which uses a kernel-level layer-7 web switch to examine the content of HTTP request and analyze workload and web object characterization in dispatching requests from clients to servers. To improve cluster performance, the LVS-CAD/CFC is implemented with web object caching mechanism that uses a small amount of server RAM to cache the most frequently accessed web objects, and implemented with cooperative file caching mechanism which updates web object cache through t

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"Enabling Efficient and Dependable Clustered File Systems through New Erasure Coding Techniques." 2015. http://repository.lib.cuhk.edu.hk/en/item/cuhk-1291656.

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30

Flouris, Michail D. "Extensible Networked-storage Virtualization with Metadata Management at the Block Level." Thesis, 2009. http://hdl.handle.net/1807/17759.

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Increased scaling costs and lack of desired features is leading to the evolution of high-performance storage systems from centralized architectures and specialized hardware to decentralized, commodity storage clusters. Existing systems try to address storage cost and management issues at the filesystem level. Besides dictating the use of a specific filesystem, however, this approach leads to increased complexity and load imbalance towards the file-server side, which in turn increase costs to scale. In this thesis, we examine these problems at the block-level. This approach has several advanta

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Pundt, Astrid. "Nanoskalige Metall-Wasserstoff-Systeme." 2001. http://hdl.handle.net/11858/00-1735-0000-0006-B458-2.

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32

Dharmadeep, M. C. "Optimizations In Storage Area Networks And Direct Attached Storage." Thesis, 2007. https://etd.iisc.ac.in/handle/2005/574.

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The thesis consists of three parts. In the first part, we introduce the notion of device-cache-aware schedulers. Modern disk subsystems have many megabytes of memory for various purposes such as prefetching and caching. Current disk scheduling algorithms make decisions oblivious of the underlying device cache algorithms. In this thesis, we propose a scheduler architecture that is aware of underlying device cache. We also describe how the underlying device cache parameters can be automatically deduced and incorporated into the scheduling algorithm. In this thesis, we have only considered ada

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Dharmadeep, M. C. "Optimizations In Storage Area Networks And Direct Attached Storage." Thesis, 2007. http://hdl.handle.net/2005/574.

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The thesis consists of three parts. In the first part, we introduce the notion of device-cache-aware schedulers. Modern disk subsystems have many megabytes of memory for various purposes such as prefetching and caching. Current disk scheduling algorithms make decisions oblivious of the underlying device cache algorithms. In this thesis, we propose a scheduler architecture that is aware of underlying device cache. We also describe how the underlying device cache parameters can be automatically deduced and incorporated into the scheduling algorithm. In this thesis, we have only considered adapt

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