
When the IO thread of a relay master is stopped, the knowledge that it is not a real master but a relay master is lost. To prevent this loss of information, the master server's server_id value should always be stored if it is available.
When the IO thread of a relay master is stopped, the knowledge that it is not a real master but a relay master is lost. To prevent this loss of information, the master server's server_id value should always be stored if it is available.