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# Set up Semi-Sync with rpl_semi_sync_master_wait_no_slave=0 include/master-slave.inc [connection master] SET @@GLOBAL.rpl_semi_sync_master_enabled= 1; SET @@GLOBAL.rpl_semi_sync_master_wait_no_slave= 0; connection slave; SET @@GLOBAL.rpl_semi_sync_slave_enabled= 1; include/start_slave.inc connection master; connection slave; connection master; SELECT ID INTO @binlog_dump_tid FROM information_schema.PROCESSLIST WHERE COMMAND = 'Binlog Dump'; # Wait for the Control State SHOW STATUS LIKE 'Rpl\_semi\_sync\_master\_clients'; Variable_name Value Rpl_semi_sync_master_clients 1 # Disable Semi-Sync while the dump thread is still connected to its slave SET @@GLOBAL.rpl_semi_sync_master_enabled = 0; SELECT STATE FROM information_schema.PROCESSLIST WHERE ID = @binlog_dump_tid; STATE Master has sent all binlog to slave; waiting for more updates SHOW STATUS LIKE 'Rpl\_semi\_sync\_master\_clients'; Variable_name Value Rpl_semi_sync_master_clients 1 # Disconnect the slave and wait until the master's dump thread is gone connection slave; STOP SLAVE; connection master; SHOW STATUS LIKE 'Rpl\_semi\_sync\_master\_clients'; Variable_name Value Rpl_semi_sync_master_clients 0 # Cleanup SET @@GLOBAL.rpl_semi_sync_master_enabled= 0; SET @@GLOBAL.rpl_semi_sync_master_wait_no_slave= 1; connection slave; SET @@GLOBAL.rpl_semi_sync_slave_enabled= 0; include/rpl_end.inc