Survey
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App. Res. of Comp. Printed Article
Vol. 36, 2019 No. 8
2241-2249,2255

Survey of heterogeneous-based data repair strategies for erasure codes

Zhong Fengyan
Wang Yan
Li Nianshuang
School of Software, East China Jiaotong University, Nanchang 330013, China
DOI: 10.19734/j.issn.1001-3695.2018.04.0269

Abstract

In large scale cloud storage system, storage nodes fail frequently because of disk/link failures. In order to preserve data's reliability and availability, storage systems need to store redundant data. Most of the data recovery mechanisms for erasure codes think that there is no difference among storage nodes. In the actual distributed storage systems, however, there are some heterogeneities in the bandwidth, computing resources and storage capacity of the storage nodes, which have a great influence on the redundant data recovery performance. This paper presented data repair operation process in erasure code technology under heterogeneous environment, and identified the key factors that affected the recovery performance. Thereafter, it chose bandwidth cost, disk access overhead, repair time, the number of nodes participating in the repair and repair cost as the evaluation criterion for the recovery performance. In addition, it analyzed how to reduce these five costs by the existing research methods, and focused on the advantages and disadvantages of these methods. Finally, this paper indicated some unsolved problems in the research of erasure code repair method in the current heterogeneous storage systems and the possible development direction of the future erasure code repair method.

Foundation Support

国家自然科学基金资助项目(61402172)
江西省教育厅资助项目(GJJ150509)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.04.0269
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 8
Section: Survey
Pages: 2241-2249,2255
Serial Number: 1001-3695(2019)08-001-2241-09

Publish History

[2019-08-05] Printed Article

Cite This Article

钟凤艳, 王艳, 李念爽. 异构环境下纠删码的数据修复方法综述 [J]. 计算机应用研究, 2019, 36 (8): 2241-2249,2255. (Zhong Fengyan, Wang Yan, Li Nianshuang. Survey of heterogeneous-based data repair strategies for erasure codes [J]. Application Research of Computers, 2019, 36 (8): 2241-2249,2255. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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