| 摘要 |
A method and system for placing database. The method includes: receiving a request of creating a new database; determining whether there is a need to migrate current database among current virtual machines based on resource demand and free resource in the current virtual machines; determining database placement plan based on the resource demand, migration strategy and migration cost associated with the migration strategy in response to whether there is a need to migrate the database; and executing the database placement plan. The invention can help a database service provider to optimize database layout in database provision through database migration. |
