Database Manual / Reference / Database Commands

Replication Commands

Note

For details on a specific command, including syntax and examples, click on the link to the command's reference page.

NameDescription

appendOplogNote

Writes a non-operational entry to the oplog.

applyOps

Internal command that applies oplog entries to the current data set.

hello

Displays information about this member's role in the replica set, including whether it is the primary.

replSetAbortPrimaryCatchUp

Forces the elected primary to abort sync (catch up) then complete the transition to primary.

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.

replSetResizeOplog

Dynamically resizes the oplog for a replica set member. Available for WiredTiger storage engine only.

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.