connection node_2; connection node_1; CREATE TABLE t1 (f1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; CREATE TABLE t2 (f1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, f2 INT) ENGINE=InnoDB; CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW INSERT INTO t2 VALUES (NULL, NEW.f1); connection node_2; SET SESSION wsrep_sync_wait = 0; SET GLOBAL wsrep_slave_threads = 2; SET GLOBAL debug_dbug = 'd,sync.mdev_20225'; DROP TRIGGER tr1; connection node_2; connection node_1; INSERT INTO t1 VALUES (NULL); connection node_2; SET GLOBAL debug_dbug = 'RESET'; SET DEBUG_SYNC = 'now SIGNAL signal.mdev_20225_continue'; SET DEBUG_SYNC = 'RESET'; SET GLOBAL wsrep_slave_threads = 1; SHOW TRIGGERS; Trigger Event Table Statement Timing Created sql_mode Definer character_set_client collation_connection Database Collation DROP TABLE t1; DROP TABLE t2;