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Replication Commands


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

Writes a non-operational entry to the oplog.
Internal command that applies oplog entries to the current data set.
Displays information about this member's role in the replica set, including whether it is the primary.
Forces the elected primary to abort sync (catch up) then complete the transition to primary.
Prevents the current member from seeking election as primary for a period of time.
Returns the replica set's configuration object.
Returns a document that reports on the status of the replica set.
Initializes a new replica set.
Enables or disables a maintenance mode, which puts a secondary node in a RECOVERING state.
Applies a new configuration to an existing replica set.
Dynamically resizes the oplog for a replica set member. Available for WiredTiger storage engine only.
Forces the current primary to step down and become a secondary, forcing an election.
Explicitly override the default logic for selecting a member to replicate from.