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Explicitly configures which host the current mongod pulls oplog entries from. This operation is useful for testing different patterns and in situations where a set member is not replicating from the desired host.

The replSetSyncFrom command has the following form:

{ replSetSyncFrom: "hostname<:port>" }

The replSetSyncFrom command has the following field:

Field Type Description
replSetSyncFrom string The name and port number of the replica set member that this member should replicate from. Use the [hostname]:[port] form.

For more information the use of replSetSyncFrom, see Configure a Secondary’s Sync Target.

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