balancerStatus
On this page
Definition
balancerStatus
New in version 3.4.
Returns a document that contains information about the status of the balancer.
You can only issue the
balancerStatus
against theadmin
database.The command takes the following form:
db.adminCommand( { balancerStatus: 1 } )
Output Document
The following is an example of a document returned by the command:
{ "mode" : "full", "inBalancerRound" : false, "numBalancerRounds" : NumberLong(86), "ok" : 1 }
Field | Description |
---|---|
"mode" | A string that specifies whether the balancer thread is running or stopped. Possible values are:
|
"inBalancerRound" | A boolean that specifies if the balancer is currently in a
balancing round; i.e. distributing chunks. |
"numBalancerRounds" | The number of balancer rounds which have occurred since the
config servers were started. This value is not persisted and is
reset to 0 upon restart of the config servers. |
Example
Connect to a mongos
instance and issue the following command:
db.adminCommand( { balancerStatus: 1 } )