db.printReplicationInfo()

Definition

• db.printReplicationInfo()
• Prints a formatted report of the replica set member’s oplog.The displayed report formats the data returned bydb.getReplicationInfo().

The output of db.printReplicationInfo() is identical tothat of rs.printReplicationInfo().

Note

The db.printReplicationInfo() in the mongo shell does not returnJSON. Use db.printReplicationInfo() for manual inspection, anddb.getReplicationInfo() in scripts.

Output Example

The following example is a sample output from thedb.printReplicationInfo() method run on the primary:

configured oplog size:   192MB
log length start to end: 65422secs (18.17hrs)
oplog first event time:  Mon Jun 23 2014 17:47:18 GMT-0400 (EDT)
oplog last event time:   Tue Jun 24 2014 11:57:40 GMT-0400 (EDT)
now:                     Thu Jun 26 2014 14:24:39 GMT-0400 (EDT)

Output Fields

db.printReplicationInfo() formats and prints the data returned bydb.getReplicationInfo():

• configured oplog size
• Displays the db.getReplicationInfo.logSizeMB value.
• log length start to end
• Displays the db.getReplicationInfo.timeDiff anddb.getReplicationInfo.timeDiffHours values.
• oplog first event time
• Displays the db.getReplicationInfo.tFirst.
• oplog last event time
• Displays the db.getReplicationInfo.tLast.
• now
• Displays the db.getReplicationInfo.now.

See db.getReplicationInfo() for description of the data.