include/rpl_init.inc [topology=1->2->3->4] CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(10)) ENGINE=MyISAM; CREATE TABLE t2 (a INT PRIMARY KEY, b VARCHAR(10)) ENGINE=InnoDB; INSERT INTO t1 VALUES (1, "m1"); INSERT INTO t1 VALUES (2, "m2"), (3, "m3"), (4, "m4"); INSERT INTO t2 VALUES (1, "i1"); BEGIN; INSERT INTO t2 VALUES (2, "i2"), (3, "i3"); INSERT INTO t2 VALUES (4, "i4"); COMMIT; SELECT * FROM t1 ORDER BY a; a b 1 m1 2 m2 3 m3 4 m4 SELECT * FROM t2 ORDER BY a; a b 1 i1 2 i2 3 i3 4 i4 SELECT * FROM t1 ORDER BY a; a b 1 m1 2 m2 3 m3 4 m4 SELECT * FROM t2 ORDER BY a; a b 1 i1 2 i2 3 i3 4 i4 SELECT * FROM t1 ORDER BY a; a b 1 m1 2 m2 3 m3 4 m4 SELECT * FROM t2 ORDER BY a; a b 1 i1 2 i2 3 i3 4 i4 *** Now take out D, let it fall behind a bit, and then test re-attaching it to A *** include/stop_slave.inc INSERT INTO t1 VALUES (5, "m1a"); INSERT INTO t2 VALUES (5, "i1a"); CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT, MASTER_USE_GTID=CURRENT_POS; include/start_slave.inc SELECT * FROM t1 ORDER BY a; a b 1 m1 2 m2 3 m3 4 m4 5 m1a SELECT * FROM t2 ORDER BY a; a b 1 i1 2 i2 3 i3 4 i4 5 i1a *** Now move B to D (C is still replicating from B) *** include/stop_slave.inc CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_4, MASTER_USE_GTID=CURRENT_POS; include/start_slave.inc UPDATE t2 SET b="j1a" WHERE a=5; SELECT * FROM t1 ORDER BY a; a b 1 m1 2 m2 3 m3 4 m4 5 m1a SELECT * FROM t2 ORDER BY a; a b 1 i1 2 i2 3 i3 4 i4 5 j1a *** Now move C to D, after letting it fall a little behind *** include/stop_slave.inc BEGIN; INSERT INTO t2 VALUES (6, "i6b"); INSERT INTO t2 VALUES (7, "i7b"); COMMIT; CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_4, MASTER_USE_GTID=CURRENT_POS; include/start_slave.inc SELECT * FROM t2 ORDER BY a; a b 1 i1 2 i2 3 i3 4 i4 5 j1a 6 i6b 7 i7b *** Now change everything back to what it was, to make rpl_end.inc happy include/stop_slave.inc CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_MYPORT; include/start_slave.inc include/wait_for_slave_to_start.inc include/stop_slave.inc CHANGE MASTER TO master_host = '127.0.0.1', master_port = SLAVE_MYPORT; include/start_slave.inc include/stop_slave.inc CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_3; include/start_slave.inc DROP TABLE t1,t2; include/rpl_end.inc