db.hello()¶

db.hello()¶

New in version 5.0: (and 4.4.2, 4.2.10, 4.0.21, and 3.6.21)

Returns a document that describes the role of the mongod instance.

If the mongod is a member of a replica set, then the isWritablePrimary and secondary fields report if the instance is the primary or if it is a secondary member of the replica set.

See

hello for the complete documentation of the output of db.hello().

← db.getSiblingDB() db.help() →