Multi-tenant database sharing method and multi-tenant database as-a-service system

A service system and database technology, applied in the field of multi-tenant shared databases, can solve the problems of resource hijacking, occupation of system resources, and insufficient guarantee of tenant performance requirements, and achieve the effect of guaranteeing performance requirements

Active Publication Date: 2014-01-29
INSPUR BEIJING ELECTRONICS INFORMATION IND
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Problems solved by technology

The existing shared database solution enables the databases of multiple tenants to coexist on the same database engine on the same server. Although it can improve resource utilization, the performance isolation of tenant databases cannot be guaranteed, and the request load

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[0050] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other arbitrarily if there is no conflict.

[0051] In order to ensure the performance requirements of tenants in a multi-tenant database-as-a-service DBaaS system, based on virtual machine technologies, such as VMware, Xen, etc., physical server system resources (CPU time, memory capacity, I / O bandwidth, etc.) can be allocated to each other in proportion The non-interference virtual machine realizes the logical database representation of each tenant through the relational model, and maps the logical database operation to the physical database operation on the virtual machine, which can realize the performance isolation between tenants...

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Abstract

The invention discloses a multi-tenant database as-a-service system. The multi-tenant database as-a-service system comprises an application layer module for receiving a client-side instruction, establishing and maintaining logical database information of tenants and sending a first instruction to a data management layer module, the data management layer module for establishing and maintaining mapping of the logical database information of an application layer to physical database instance information of an infrastructure layer according the first instruction and sending a second instruction to an infrastructure layer module, and the infrastructure layer module for establishing physical database instances of the infrastructure layer according to indication of the second instruction based on a virtual machine or performing data operation on the physical database instances according to the indication of the second instruction. The multi-tenant database as-a-service system can achieve performance isolation of the tenants and ensures the performance demands of the tenants. The invention further provides a multi-tenant database sharing method.

Description

technical field [0001] The present invention relates to the technical field of cloud computing, in particular to a multi-tenant shared database method and a multi-tenant Database as a Service DBaaS (Database as a Service) system. Background technique [0002] With the development of cloud computing technology, operating systems, middleware and applications in the traditional software layer stack have found their place in the cloud, and infrastructure as a service (IaaS), platform as a service (PaaS) and software as a service (Software as a Service) have emerged. SaaS) model. In fact, databases that carry information are also very suitable for building in cloud data centers. Traditional database hosting services deploy tenants' databases in units of physical machines. With the deepening of applications, problems such as unbalanced resource utilization and difficult maintenance and management are exposed. Using the database as a service (DBaaS) model to centrally host the da...

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F9/5027G06F2209/504G06F2209/508
Inventor 亓开元张东刘正伟
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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