connection node_2; connection node_1; CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1)); INSERT INTO t1 VALUES (1, 'a'); INSERT INTO t1 VALUES (2, 'a'); connection node_1; SET AUTOCOMMIT=ON; START TRANSACTION; UPDATE t1 SET f2 = 'b' WHERE f1 = 1; SELECT * FROM t1 WHERE f1 = 2 FOR UPDATE; f1 f2 2 a SAVEPOINT my_sp; connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1; SET SESSION wsrep_sync_wait=0; SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync'; connection node_2; UPDATE t1 SET f2 = 'c' WHERE f1 = 2; connection node_1a; SET SESSION wsrep_on = 0; SET SESSION wsrep_on = 1; SET GLOBAL wsrep_provider_options = 'dbug='; SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_master_enter_sync'; connection node_1; COMMIT; connection node_1a; SET SESSION wsrep_on = 0; SET SESSION wsrep_on = 1; SET GLOBAL wsrep_provider_options = 'dbug='; SET GLOBAL wsrep_provider_options = 'dbug=d,abort_trx_end'; SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync'; SET SESSION wsrep_on = 0; SET SESSION wsrep_on = 1; SET GLOBAL wsrep_provider_options = 'dbug='; SET GLOBAL wsrep_provider_options = 'signal=abort_trx_end'; SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_master_enter_sync'; connection node_1; SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'b'; COUNT(*) = 1 1 SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'c'; COUNT(*) = 1 1 wsrep_local_replays 1 connection node_2; SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'b'; COUNT(*) = 1 1 SELECT COUNT(*) = 1 FROM t1 WHERE f2 = 'c'; COUNT(*) = 1 1 DROP TABLE t1;