db.isMaster()
-
db.
isMaster
( ) -
Returns a document that describes the role of the
mongod
instance.If the
mongod
is a member of a replica set, then theismaster
andsecondary
fields report if the instance is the primary or if it is a secondary member of the replica set.See
isMaster
for the complete documentation of the output ofdb.isMaster()
.