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Database Administration
Database Basics : Starting Up and Shutting Down : Starting and stopping background writers

Starting and stopping background writers

Background writers improve performance by continually performing overhead functions in the background. Background writers are only available for Enterprise systems. You must manually start these background writers.
There are three types of background writers: asynchronous page writers (APWs), before-image writers (BIWs), and after-image writers (AIWs). The following sections explain how to start up and shut down background writers. See Managing Performance for detailed information about background writers.
* Starting and stopping an APW
* Starting and stopping a BIW
* Starting and stopping an AIW