基于多属性最优化的海洋监测数据副本布局策略

doi:10.11896/j.issn.1002-137X.2018.06.012

Abstract

Abstract: The integrity and reliability of data are the key to ensure its efficient access.Especially in the cloud storage environment,data replication strategy is the core of the system performance and the availability of data.For a data replica layout,this paper put forward a data replica layout strategy based on multiple attribute optimization (MAO-DRLS).According to the heat of data access and the key attributes of storage node,it sets the number of replicas for each dynamic data,and chooses the appropriate node to distribute the replicas.The experiments show that the MAO-DRLS strategy can effectively improve theutilization rate of data replicas and shorten the system response time.

Key words: Data layout, Data replica, Marine monitoring data, Multiple attribute optimization

CLC Number:

TP311.13

HUANG Dong-mei, DU Yan-ling, HE Qi, SUI Hong-yun, LI Yao. Marine Monitoring Data Replica Layout Strategy Based on Multiple Attribute Optimization[J].Computer Science, 2018, 45(6): 72-75.

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