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- Replication Reference
Replication Reference¶
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Replication Methods in the mongo
Shell¶
Name | Description |
---|---|
rs.add() |
Adds a member to a replica set. |
rs.addArb() |
Adds an arbiter to a replica set. |
rs.conf() |
Returns the replica set configuration document. |
rs.freeze() |
Prevents the current member from seeking election as primary for a period of time. |
rs.help() |
Returns basic help text for replica set functions. |
rs.initiate() |
Initializes a new replica set. |
rs.printReplicationInfo() |
Prints a report of the status of the replica set from the perspective of the primary. |
rs.printSlaveReplicationInfo() |
Prints a report of the status of the replica set from the perspective of the secondaries. |
rs.reconfig() |
Re-configures a replica set by applying a new replica set configuration object. |
rs.remove() |
Remove a member from a replica set. |
rs.slaveOk() |
Sets the slaveOk property for the current connection. Deprecated. Use readPref() and Mongo.setReadPref() to set read preference. |
rs.status() |
Returns a document with information about the state of the replica set. |
rs.stepDown() |
Causes the current primary to become a secondary which forces an election. |
rs.syncFrom() |
Sets the member that this replica set member will sync from, overriding the default sync target selection logic. |
Replication Database Commands¶
Name | Description |
---|---|
applyOps |
Internal command that applies oplog entries to the current data set. |
isMaster |
Displays information about this member’s role in the replica set, including whether it is the master. |
replSetFreeze |
Prevents the current member from seeking election as primary for a period of time. |
replSetGetConfig |
Returns the replica set’s configuration object. |
replSetGetStatus |
Returns a document that reports on the status of the replica set. |
replSetInitiate |
Initializes a new replica set. |
replSetMaintenance |
Enables or disables a maintenance mode, which puts a secondary node in a RECOVERING state. |
replSetReconfig |
Applies a new configuration to an existing replica set. |
replSetStepDown |
Forces the current primary to step down and become a secondary, forcing an election. |
replSetSyncFrom |
Explicitly override the default logic for selecting a member to replicate from. |
resync |
Forces a mongod to re-synchronize from the master. For master-slave replication only. |
Replica Set Reference Documentation¶
- Replica Set Configuration
- Complete documentation of the replica set configuration
object returned by
rs.conf()
. - The local Database
- Complete documentation of the content of the
local
database thatmongod
instances use to support replication. - Replica Set Member States
- Reference for the replica set member states.
- Read Preference Reference
- Complete documentation of the five read preference modes that the MongoDB drivers support.