SET SESSION wsrep_sync_wait = 0;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
FLUSH TABLE t1 WITH READ LOCK;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
SET SESSION wsrep_sync_wait = 0;
SELECT COUNT(*) = 0 FROM t1;
COUNT(*) = 0
1
UNLOCK TABLES;
SET SESSION wsrep_sync_wait = 7;
SELECT COUNT(*) = 2 FROM t1;
COUNT(*) = 2
1
DROP TABLE t1;