db.hello()
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db.hello()
New in version 5.0.
Returns a document that describes the role of the
mongod
instance.If the
mongod
is a member of a replica set, then theisWritablePrimary
andsecondary
fields report if the instance is the primary or if it is a secondary member of the replica set.
Compatibility
This method is available in deployments hosted in the following environments:
MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud
Note
This command is supported in all MongoDB Atlas clusters. For information on all commands, see Unsupported Commands.
MongoDB Enterprise: The subscription-based, self-managed version of MongoDB
MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB