摘要
现有的云数据放置策略未引入SaaS特征,租户作为独立个体的特征被忽略,导致多租户数据的混合放置,常用的数据迁移策略面临着识别及迁移租户数据的挑战。提出一种面向SaaS应用的云中多租户数据动态同步迁移策略,解决了共享存储模式下无法识别SaaS应用租户,难以使用快照、日志等数据库技术进行租户数据迁移的问题。通过SaaS平台数据层面的同步迁移,保证云中各数据节点的负载均衡及良好的用户体验。
Present cloud data placement policies fail to introduce SaaS characteristics, so the independence characteristics of tenants a：e neglected. Therefore multi-tenant data are mixed together for placement. Common data migration policies face the challenges of recognition and migrating tenant data. The paper proposes an SaaS application oriented clouded multi-tenant data dynamic synchronized migration policy so that problems such as being unable to recognize SaaS application tenant under shared storage mode, difficulty in using snapshots, logs or other database techniques to carry out tenant data migration and so on are solved. Synchronized migration via SaaS olafform data surface ensures the load balance for each data node in a cloud as well as fine user experience.
出处
《计算机应用与软件》
CSCD
2011年第11期52-56,共5页
Computer Applications and Software
基金
国家自然科学基金(90818001)
国家科技支撑计划(2009BAH44B02)
山东省自然科学基金(2009ZRB019YT)
