ASIC一种适用于云数据管理的自适应辅助索引机制.pdf

ISSN 计算机研究与发展 1000—1239／CN11—17771TP !!竺竺!!竺!曼竺竺旦竺!!垦!!!!三!垫!里璺旦!!!!望竺竺! ASIC：一种适用于云数据管理的自适应辅助索引机制 牟雁超1’2 苏汉宸1’2 程 序1’3 李红燕1’2 王腾蛟1’3 1(北京大学信息科学技术学院北京100871) 2(机器感知与智能教育部重点实验室(北京大学)北京 100871) 3(高可信软件技术教育部重点实验室(北京大学)北京 100871) (jklsadly@gmail．corn) ASIC：An IndexforData inCloud AdaptiveSecondary Management Environment MouYancha01”，Su Xul”，Li Hanchenl”，ChengHongyanl”，andWangTengjia01’3 1(SchoolElectronics and 100871) of EngineeringComputerScience，PekingUniversity，Beijing Machine 2(KeyLaboratoryof Perception(PekingUniversity)，MinistryofEducation，Beijing，100871) 3(KeyLaboratoryofHighConfidenceSoftwareTechnologies(PekingUniversity)，Ministryof 10087t) AbstractWiththe trendofmass incloud data，data geometricgrowth managementsystem computing environment andthereare about indexmechanism． sec、，ndary developsrapidly higherrequirements incloud However，inthetraditionalestablishmentmechanismof index secondary computing environment，thereexist tosome ordertoavoidthe unnecessaryexpenses queryrequirements．In inthe ofthe indexcomesinto expenseprogressestablishmentofsecondaryindex，adaptive being．We foundthatexisted indexesarenot to themassdataincloud adaptive applicablemanage computing the in environmentwiththe environment．Via