Algorithmic Studies In Mass Storage Systems
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Algorithmic Studies In Mass Storage Systems
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Author : C.K. Wong
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Algorithmic Studies In Mass Storage Systems written by C.K. Wong and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
A major technological trend for large database systems has been the introduction of ever-larger mass storage systems. This allows computing centers and business data processing installations to maintain on line their program libraries, less frequently used data files, transaction logs and backup copies under unified system control. Tapes, disks and drums are classical examples of mass storage media. The more recent IBM 3851 Mass Storage Facility, part of the IBM 3850 Mass Storage System, represents a new direction in mass storage development, namely, it is two-dimensional. With the maturity of magnetic bubble technology, more sophisticated, massive, multi-trillion-bit storage systems are not far in the future. While large in capacity, mass storage systems have in general relatively long access times. Since record access probabilities are usually not uniform, various algorithms have been devised to position the records to decrease the average access time. The first two chapters of this book are devoted mainly to such algorithmic studies in linear and two-dimensional mass storage systems. In the third chapter, we view the bubble memory as more than a storage medium. In fact, we discuss different structures where routine operations, such as data rearrangement, sorting, searching, etc., can be done in the memory itself, freeing the CPU for more complicated tasks. The problems discussed in this book are combinatorial in nature.
Mass Storage Technologies
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Author : Sanjay Ranade
language : en
Publisher:
Release Date : 1991
Mass Storage Technologies written by Sanjay Ranade and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Computers categories.
Flash Storage Management Algorithm For Large Scale Hybrid Storage Systems
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Author : Abdullah Hasan A. Aldhamin
language : en
Publisher:
Release Date : 2014
Flash Storage Management Algorithm For Large Scale Hybrid Storage Systems written by Abdullah Hasan A. Aldhamin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
As the computing platforms have evolved over the years, the associated storage requirements have also followed a rapid change in terms of performance, cost, availability and scalability. In addition, computing elements, mainly the CPU, are continuing to scale and develop at a higher pace compared to storage systems. Flash-based solid-state drives (SSDs) have led to significant innovations in storage systems architecture. However, due to their special design and architecture characteristics, they are not considered as cost-effective and immediate replacement of traditional hard-disk drives for large-scale storage systems. Thus, how we can best utilize this technology to build an efficient hybrid storage system remains a research challenge. We propose a real-time dynamic programming algorithm, called Flash Storage Management (FSM) algorithm, to address this challenge. The FSM algorithm can run in two modes: online and offline modes. We implement the proposed FSM algorithm in an event-driven simulator. To compare the FSM algorithm, we implement a simulator for the closest algorithms in the literature, which is Hystor. Our evaluation results indicate that the proposed algorithm outperforms Hystor, especially for read-intensive workloads. For example, the online FSM algorithm achieves a hit ratio of 75% when using SSD size of 30% of the workload, which outperforms Hystor by more than 20%.
Storage Systems
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Author : Alexander Thomasian
language : en
Publisher: Academic Press
Release Date : 2021-10-13
Storage Systems written by Alexander Thomasian and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-13 with Science categories.
Storage Systems: Organization, Performance, Coding, Reliability and Their Data Processing was motivated by the 1988 Redundant Array of Inexpensive/Independent Disks proposal to replace large form factor mainframe disks with an array of commodity disks. Disk loads are balanced by striping data into strips—with one strip per disk— and storage reliability is enhanced via replication or erasure coding, which at best dedicates k strips per stripe to tolerate k disk failures. Flash memories have resulted in a paradigm shift with Solid State Drives (SSDs) replacing Hard Disk Drives (HDDs) for high performance applications. RAID and Flash have resulted in the emergence of new storage companies, namely EMC, NetApp, SanDisk, and Purestorage, and a multibillion-dollar storage market. Key new conferences and publications are reviewed in this book.The goal of the book is to expose students, researchers, and IT professionals to the more important developments in storage systems, while covering the evolution of storage technologies, traditional and novel databases, and novel sources of data. We describe several prototypes: FAWN at CMU, RAMCloud at Stanford, and Lightstore at MIT; Oracle's Exadata, AWS' Aurora, Alibaba's PolarDB, Fungible Data Center; and author's paper designs for cloud storage, namely heterogeneous disk arrays and hierarchical RAID. Surveys storage technologies and lists sources of data: measurements, text, audio, images, and video Familiarizes with paradigms to improve performance: caching, prefetching, log-structured file systems, and merge-trees (LSMs) Describes RAID organizations and analyzes their performance and reliability Conserves storage via data compression, deduplication, compaction, and secures data via encryption Specifies implications of storage technologies on performance and power consumption Exemplifies database parallelism for big data, analytics, deep learning via multicore CPUs, GPUs, FPGAs, and ASICs, e.g., Google's Tensor Processing Units
Computer Science Handbook
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Author : Allen B. Tucker
language : en
Publisher: CRC Press
Release Date : 2004-06-28
Computer Science Handbook written by Allen B. Tucker and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-06-28 with Computers categories.
When you think about how far and fast computer science has progressed in recent years, it's not hard to conclude that a seven-year old handbook may fall a little short of the kind of reference today's computer scientists, software engineers, and IT professionals need. With a broadened scope, more emphasis on applied computing, and more than 70 chap
Fifth Nasa Goddard Conference On Mass Storage Systems And Technologies
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Author : Benjamin Kobler
language : en
Publisher:
Release Date : 1996
Fifth Nasa Goddard Conference On Mass Storage Systems And Technologies written by Benjamin Kobler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Multimedia Storage And Retrieval
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Author : Jan Korst
language : en
Publisher: John Wiley & Sons
Release Date : 2005-01-14
Multimedia Storage And Retrieval written by Jan Korst and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-14 with Computers categories.
The success of multimedia information systems to adequately meet the needs of accessing and presenting audio/video information from a large multimedia server depends heavily on the proper use of storage and retrieval algorithms suitable for this task. Multimedia Storage and Retrieval describes various algorithms from simple to sophisticated: from single user to multiple users, from constant-bit-rate to variable-bit-rate streams, and from single disk to multiple disks. This book emphasizes storage and retrieval of video data using magnetic disk systems and its elementary, mathematical approach concentrates on the fundamental algorithms. Provides those new to the subject with the basic principles of the design and analysis of video-on-demand systems and guides the reader towards a thorough understanding of the field. Comprehensively covers disk scheduling algorithms, including round robin, double and triple buffering, grouped sweeping, and dual sweep. Extensively treats storage strategies, including contiguous and segmented storage, track pairing, striping, and random redundant storage. Concludes with further optimizations in the area of video transmission, covering bit-rate smoothing and near video-on-demand strategies. Senior undergraduate and graduate students on computer science and electrical engineering courses will all find this book appealing. Researchers and those in industry will also find it an invaluable reference.
Fifth Nasa Goddard Conference On Mass Storage Systems And Technologies
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Author : Benjamin Kobler
language : en
Publisher:
Release Date : 1996
Fifth Nasa Goddard Conference On Mass Storage Systems And Technologies written by Benjamin Kobler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Disk Based Algorithms For Big Data
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Author : Christopher G. Healey
language : en
Publisher: CRC Press
Release Date : 2016-11-17
Disk Based Algorithms For Big Data written by Christopher G. Healey and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-17 with Mathematics categories.
Disk-Based Algorithms for Big Data is a product of recent advances in the areas of big data, data analytics, and the underlying file systems and data management algorithms used to support the storage and analysis of massive data collections. The book discusses hard disks and their impact on data management, since Hard Disk Drives continue to be common in large data clusters. It also explores ways to store and retrieve data though primary and secondary indices. This includes a review of different in-memory sorting and searching algorithms that build a foundation for more sophisticated on-disk approaches like mergesort, B-trees, and extendible hashing. Following this introduction, the book transitions to more recent topics, including advanced storage technologies like solid-state drives and holographic storage; peer-to-peer (P2P) communication; large file systems and query languages like Hadoop/HDFS, Hive, Cassandra, and Presto; and NoSQL databases like Neo4j for graph structures and MongoDB for unstructured document data. Designed for senior undergraduate and graduate students, as well as professionals, this book is useful for anyone interested in understanding the foundations and advances in big data storage and management, and big data analytics. About the Author Dr. Christopher G. Healey is a tenured Professor in the Department of Computer Science and the Goodnight Distinguished Professor of Analytics in the Institute for Advanced Analytics, both at North Carolina State University in Raleigh, North Carolina. He has published over 50 articles in major journals and conferences in the areas of visualization, visual and data analytics, computer graphics, and artificial intelligence. He is a recipient of the National Science Foundation’s CAREER Early Faculty Development Award and the North Carolina State University Outstanding Instructor Award. He is a Senior Member of the Association for Computing Machinery (ACM) and the Institute of Electrical and Electronics Engineers (IEEE), and an Associate Editor of ACM Transaction on Applied Perception, the leading worldwide journal on the application of human perception to issues in computer science.
Encyclopedia Of Microcomputers
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Author : Allen Kent
language : en
Publisher: CRC Press
Release Date : 2021-07-28
Encyclopedia Of Microcomputers written by Allen Kent and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-28 with Computers categories.
"The Encyclopedia of Microcomputers serves as the ideal companion reference to the popular Encyclopedia of Computer Science and Technology. Now in its 10th year of publication, this timely reference work details the broad spectrum of microcomputer technology, including microcomputer history; explains and illustrates the use of microcomputers throughout academe, business, government, and society in general; and assesses the future impact of this rapidly changing technology."
