The Manager Service provides a session bean to all components of the master index, such as the MIDM, Query Builder, Update Manager, and so on. During the runtime phase, the Manager Service performs the following tasks:
Manages connectivity to the master index database
Specifies the query to use for the match process and the system parameters that control the match process
Coordinates the activities of the various components of the master index, including queries, updates, object persistence, system parameters, and so on