How to create mysql replication with multiple master server and with single slave server? how to edit the "CHANGE MASTER TO MASTER_HOST='188.8.131.529',MASTER_USER='slave_user', MASTER_PASSWORD='password', MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS= 107; " command to channelise different master db at the same time.
closed as too broad by mustaccio, Md Haidar Ali Khan, MDCCL, hot2use, LowlyDBA Oct 8 '18 at 20:39
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You need to modify the master and relay repositories to be stored into tables and then define channels for each master.
STOP SLAVE; SET GLOBAL master_info_repository = 'TABLE'; SET GLOBAL relay_log_info_repository = 'TABLE'; CHANGE MASTER TO MASTER_HOST='master1', MASTER_USER='rpl', MASTER_PORT=3451, MASTER_PASSWORD='' \ MASTER_LOG_FILE='master1-bin.000006', MASTER_LOG_POS=628 FOR CHANNEL 'master-1';