connection node_2; connection node_1; # # test the order of wsrep XID storage after certifiation failure # connection node_1; set session wsrep_sync_wait=0; create table t1 (i int primary key, j int); insert into t1 values (4, 0); connect node_2b, 127.0.0.1, root, , test, $NODE_MYPORT_2; connection node_2b; set session wsrep_sync_wait=0; SET GLOBAL debug_dbug = "d,sync.wsrep_apply_cb"; connection node_1; UPDATE test.t1 set j=1 where i=4; connection node_2b; SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_cb_reached"; connection node_2; set session wsrep_sync_wait=0; set session wsrep_retry_autocommit=0; UPDATE test.t1 SET j=2 WHERE i=4; connection node_2b; SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb"; SET GLOBAL debug_dbug = ""; SET DEBUG_SYNC = "RESET"; connection node_2; ERROR 40001: Deadlock found when trying to get lock; try restarting transaction select * from t1; i j 4 1 DROP TABLE t1;