connection node_2; connection node_1; CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB; connection node_1; SET SESSION wsrep_trx_fragment_size=1; SET AUTOCOMMIT=OFF; START TRANSACTION; INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); connection node_2; SET SESSION wsrep_trx_fragment_size=1; SET AUTOCOMMIT=OFF; START TRANSACTION; INSERT INTO t1 VALUES (11),(12),(13),(14),(15),(16),(17),(18),(19),(20); INSERT INTO t1 VALUES (11),(12),(13),(14),(15),(16),(17),(18),(19),(20); ERROR 23000: Duplicate entry '11' for key 'PRIMARY' INSERT INTO t1 VALUES (31),(32),(33); SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log; COUNT(*) = 0 0 connection node_1; SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log; COUNT(*) = 0 0 COMMIT; connection node_2; COMMIT; SELECT * FROM t1; f1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 31 32 33 connection node_1; SELECT * FROM t1; f1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 31 32 33 DROP TABLE t1;