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Applies specified oplog entries to a mongod instance. The applyOps command is an internal command.

This command is available in deployments hosted in the following environments:

  • MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud


This command is not supported in serverless instances. For more information, see Unsupported Commands.


This command obtains a global write lock and will block other operations until it has completed.

If the specified oplog entries contain collection UUIDs, executing this command requires both the useUUID and forceUUID privileges on the cluster resource to which the oplog entries are attempting to be written.

← appendOplogNote
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