connection node_2; connection node_1; CREATE TABLE t1 (f1 INTEGER NOT NULL PRIMARY KEY AUTO_INCREMENT,B INTEGER) ENGINE=InnoDB; INSERT INTO t1 VALUES (1,1); connection node_2; SELECT COUNT(*) FROM t1; COUNT(*) 1 SET GLOBAL wsrep_provider_options = 'gcs.fc_limit=1'; LOCK TABLE t1 WRITE; connection node_1; FLUSH STATUS; INSERT INTO t1 VALUES (2,2); INSERT INTO t1 VALUES (3,3); INSERT INTO t1 VALUES (4,4); INSERT INTO t1(B) SELECT B FROM t1; connection node_1a; # In node_1 either insert or commit should be stuck connection node_2; UNLOCK TABLES; connection node_1; INSERT INTO t1 VALUES (NULL,6); connection node_2; SELECT COUNT(*) FROM t1; COUNT(*) 9 DROP TABLE t1;