Multi-tenant database systems have a component called the Resource Manager, or RM that is responsible for allocating resources to tenants. RMs today do not provide direct support for performance objectives such as: “Average job response time of tenant A must be less than two minutes”, or “No more than 5% of tenant B’s jobs can miss the deadline of 1 hour.” Thus, DBAs have to tinker with the RM’...

As service providers strive to improve the quality and efficiency of their IT (information technology) management services, the need to adopt a standard set of tools and processes becomes increasingly important. Deploying multitenant capable tools is a key part of this standardization, since a single instance can be used to manage multiple customer environments, and multi-tenant tools have the ...

A multi-tenant database is the primary characteristic of SaaS, it allows SaaS vendors to run a single instance application which supports multiple tenants on the same hardware and software infrastructure. This application should be highly customizable to meet tenants’ expectations and business requirements. This paper examines current solutions on multi-tenancy that provide flexible data model,...