电动汽车充电网络云平台下一种基于Chord-R的多租户多维索引方法

李晓蕾
李晓蕾
任昺
任昺
王睿
王睿
张杨
张杨
李军良
李军良

电力建设, 2018.

Cited by: 0|Views4

Abstract:

面向不同运营商多租户数据的高效索引方法是构建电动汽车充电网络云平台的关键技术之一。现有多租户数据索引方法在面对海量多维信息索引时存在效率低的问题。在此背景下,提出了一种基于共享存储模式的Chord-R双层索引方法,上层采用对等结构中的Chord协议作为全局索引,使单个租户的数据聚集并有序地分布在尽量少且相邻的节点上,保证数据具有良好的隔离性和扩展性;下层引入空间索引方法 R树进行本地数据的局部索引,最终实现了多租户数据多维信息的高效索引。实验结果表明,在进行多维信息索引时,与典型多租户索引方法(multi-tenant indexing mechanism based on improved Chord mapping approach,M IM C)相比,查询时间至少可...More

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ZH电动汽车充电网络云平台下一种基于Chord-R的多租户多维索引方法
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