一种可伸缩的多租户数据自适应存储方法.pdf

of Journal Researchand Computer Development 51(9)2014 一种可伸缩的多租户数据自适应存储方法 谷连超 崔立真 (山东大学计算机科学与技术学院 济南250101) (clz@sdu．edu．cn) AScalableand ust Multi—TenantData UnderDifferentSLAs Self-Adj Storage Strategy GULianchaoandCuiLizhen (School Scienceand ofComputer 250101) Technology，ShandongUniversity，Jinan AbstractMulti isoneofthe tenancy characteristicsofcloud shareddata key application．In storage toachieve model，how scalabledata of dynamically nodesaccordingtodifferent storagemultiple isthe ofclouddata tenants’performancerequirementskey Itfaces management．manvchallenges， suchashowtoforecast ofdifferenttenantsundershated performancerequirements datastorage，how to andcontroldata in to in place layout workload，i。e．dataitemsautoInaticDartitioned， responsebursty coalescedor thenodesofthe copiedamong system tovariable according this a requirements．In scalableandself multitenant paper，wepropose adjust data strategv storage toaddressthese consistsof challenges．It mainly piecewise model， multiplep