stop slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; reset master; reset slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; start slave; **** On Master **** SET SESSION BINLOG_FORMAT=ROW; CREATE TABLE t1 (a INT PRIMARY KEY, b INT); INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4); **** On Slave **** SHOW STATUS LIKE 'Slave_retried_transactions'; Variable_name Value Slave_retried_transactions 0 set @@global.slave_exec_mode= 'IDEMPOTENT'; UPDATE t1 SET a = 5, b = 47 WHERE a = 1; SELECT * FROM t1; a b 5 47 2 2 3 3 4 4 **** On Master **** UPDATE t1 SET a = 5, b = 5 WHERE a = 1; SELECT * FROM t1; a b 5 5 2 2 3 3 4 4 **** On Slave **** set @@global.slave_exec_mode= default; SHOW STATUS LIKE 'Slave_retried_transactions'; Variable_name Value Slave_retried_transactions 0 SELECT * FROM t1; a b 5 47 2 2 3 3 4 4 SHOW SLAVE STATUS; Slave_IO_State # Master_Host 127.0.0.1 Master_User root Master_Port MASTER_PORT Connect_Retry 1 Master_Log_File master-bin.000001 Read_Master_Log_Pos # Relay_Log_File # Relay_Log_Pos # Relay_Master_Log_File master-bin.000001 Slave_IO_Running Yes Slave_SQL_Running Yes Replicate_Do_DB Replicate_Ignore_DB Replicate_Do_Table Replicate_Ignore_Table # Replicate_Wild_Do_Table Replicate_Wild_Ignore_Table Last_Errno 0 Last_Error Skip_Counter 0 Exec_Master_Log_Pos # Relay_Log_Space # Until_Condition None Until_Log_File Until_Log_Pos 0 Master_SSL_Allowed No Master_SSL_CA_File Master_SSL_CA_Path Master_SSL_Cert Master_SSL_Cipher Master_SSL_Key Seconds_Behind_Master # Master_SSL_Verify_Server_Cert No Last_IO_Errno # Last_IO_Error # Last_SQL_Errno 0 Last_SQL_Error DROP TABLE t1; **** On Master **** DROP TABLE t1;