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Terminates an operation as specified by the operation ID. To find operations and their corresponding IDs, see db.currentOp().

The db.killOp() method has the following parameter:

Parameter Type Description
op number An operation ID.


Terminate running operations with extreme caution. Only use db.killOp() to terminate operations initiated by clients and do not terminate internal database operations.

Access Control

On systems running with authorization, to kill operations not owned by the user, the user must have access that includes the killop privilege action.

Changed in version 3.2.9: On mongod instances, users can kill their own operations even without the killop privilege action.