stats( scale )
Returns statistics that reflect the use state of a single database.
db.stats()method has the following parameter:
Parameter Type Description
number Optional. The scale at which to deliver results. Unless specified, this command returns all data in bytes. Returns: A document with statistics reflecting the database system’s state. For an explanation of the output, see dbStats.
The amount of drift depends on the number of insert, update, or delete operations performed between the last checkpoint and the unclean shutdown. Checkpoints usually occur every 60 seconds. However,
mongod instances running with non-default
--syncdelay settings may have more or less frequent checkpoints.