Configuring the Rebalancer on a Database
You can configure and monitor the rebalancing process through the Admin Interface or the Admin APIs.
To configure the rebalancer on a database, follow these steps:
Click Databases in the left tree menu. A list of databases appears.
Click your target database.
On the Configure tab, scroll down to the Rebalancer Enable field and click true.
From the Assignment Policy pull-down menu, select the assignment policy. For details on the available rebalancer assignment policies, see Rebalancer Document Assignment Policies.
From the Rebalancer Throttle pull-down menu, select the rebalancer throttle setting. For details on the rebalancer throttle, see How the Rebalancer Moves Documents.
Click OK.