balancerStop

Definition

balancerStop

New in version 3.4.

Disables the balancer in a sharded cluster. If a balancing round is in progress, the operation waits for balancing to complete.

Starting in MongoDB 4.2, the command disables auto-splitting for the sharded cluster. To enable auto-splitting when the balancer is disabled, you can use sh.enableAutoSplit().

You can only issue the balancerStop against the admin database on a mongos instance.

Tip

In the mongo Shell, this command can also be run through the sh.stopBalancer() helper method.

Helper methods are convenient for mongo users, but they may not return the same level of information as database commands. In cases where the convenience is not needed or the additional return fields are required, use the database command.

Syntax

You can only issue the balancerStop against the admin database on a mongos instance.

The command takes the following form:

db.adminCommand( { balancerStop: 1, maxTimeMS: <number> } )

Example

To stop the balancer thread, connect to a mongos instance and issue the following command:

db.adminCommand( { balancerStop: 1 } )