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mongo
Shell Methods >- Database Methods >
- db.isMaster()
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()
.