16.2.2.1 Commands for Operations on a Single Channel

To enable MySQL replication operations to act on individual replication channels, use the FOR CHANNEL channel clause with the following replication statements:

CHANGE MASTER TO
START SLAVE
STOP SLAVE
SHOW RELAYLOG EVENTS
FLUSH RELAY LOGS
SHOW SLAVE STATUS
RESET SLAVE

Similarly, an additional channel parameter is introduced for the following functions:

MASTER_POS_WAIT()
WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS()

The following statements are disallowed for the group_replication_recovery channel:

START SLAVE
STOP SLAVE

The following statements are disallowed for the group_replication_applier channel:

START SLAVE
STOP SLAVE
SHOW SLAVE STATUS
FLUSH RELAY LOGS