Volume 4 Number 10 (Dec. 2009)
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JSW 2009 Vol.4(10): 1145-1151 ISSN: 1796-217X
doi: 10.4304//jsw.4.10.1145-1151

A Novel Approach to Improve Availability of Massive Database Systems (MDS)

Zhengbing Hu1, Kai Du2
1Huazhong Normal University,Department of Information Technology,Wuhan,China
2National University of Defense Technology, Changsha, China

Abstract—Because of the huge scale and numerous components, a massive database system’s availability has become a serious challenge. Many database replication technologies are used to increase the MTTF, but few are provided to decrease MTTR in massive database systems where the traditional backup methods are not feasible for expensive human cost. Based on analyzing the characteristics of the data in massive databases, we propose a novel approach called Detaching Read-Only (DRO) mechanism and its variation DRO+. It decreases MTTR through reducing the size of physically changing data in every database by detaching data on node granularity. The analysis and experiment results show that our approach can not only reduce MTTR by an order of magnitude, but also reduce the expensive human cost without extra hardware cost.

Index Terms—Database, Massive Database Systems, MTTR

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Cite: Zhengbing Hu, Kai Du, "A Novel Approach to Improve Availability of Massive Database Systems (MDS)," Journal of Software vol. 4, no. 10, pp. 1145-1151, 2009.

General Information

ISSN: 1796-217X
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jsw@iap.org
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