The terms master and slave have historically been used in replication, and MariaDB has begun the process of adding primary and replica synonyms. The old terms will continue to be used to maintain backward compatibility - see MDEV-18777 to follow progress on this effort.


STOP SLAVE ["connection_name"] [thread_type [, thread_type] ... ] [FOR CHANNEL "connection_name"]

STOP ALL SLAVES [thread_type [, thread_type]]

STOP REPLICA ["connection_name"] [thread_type [, thread_type] ... ] -- from 10.5.1

STOP ALL REPLICAS [thread_type [, thread_type]] -- from 10.5.1

thread_type: IO_THREAD | SQL_THREAD


Stops the replica threads. STOP SLAVE requires the SUPER privilege, or, from MariaDB 10.5.2, the REPLICATION SLAVE ADMIN privilege.

Like START SLAVE, this statement may be used with the IO_THREAD and SQL_THREAD options to name the thread or threads to be stopped. In almost all cases, one never need to use the thread_type options.

STOP SLAVE waits until any current replication event group affecting one or more non-transactional tables has finished executing (if there is any such replication group), or until the user issues a KILL QUERY or KILL CONNECTION statement.

Note that STOP SLAVE doesn't delete the connection permanently. Next time you execute START SLAVE or the MariaDB server restarts, the replica connection is restored with it's original arguments. If you want to delete a connection, you should execute RESET SLAVE.


STOP ALL SLAVES stops all your running replicas. It will give you a note for every stopped connection. You can check the notes with SHOW WARNINGS.


The connection_name option is used for multi-source replication.

If there is only one nameless master, or the default master (as specified by the default_master_connection system variable) is intended, connection_name can be omitted. If provided, the STOP SLAVE statement will apply to the specified master. connection_name is case-insensitive.

MariaDB starting with 10.7.0

The FOR CHANNEL keyword was added for MySQL compatibility. This is identical as using the channel_name directly after STOP SLAVE.


MariaDB starting with 10.5.1

STOP REPLICA is an alias for STOP SLAVE from MariaDB 10.5.1.

See Also

  • CHANGE MASTER TO is used to create and change connections.
  • START SLAVE is used to start a predefined connection.
  • RESET SLAVE is used to reset parameters for a connection and also to permanently delete a master connection.


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