CREATE TABLE rand_table (f1 FLOAT);
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1));
INSERT INTO t1 VALUES (1, 'a');
INSERT INTO t1 VALUES (2, 'a');
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
SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_enter_sync';
COMMIT;;
SET SESSION wsrep_sync_wait = 0;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
UPDATE t1 SET f2 = 'c' WHERE f1 = 2;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_enter_sync';
SELECT TIMEDIFF(SYSDATE(), NOW()) < 2;
TIMEDIFF(SYSDATE(), NOW()) < 2
1
INSERT INTO rand_table VALUES (RAND()),(RAND()),(RAND()),(RAND()),(RAND());
INSERT INTO rand_table VALUES (RAND()),(RAND()),(RAND()),(RAND()),(RAND());
SELECT COUNT(DISTINCT f1) = 10 FROM rand_table;
COUNT(DISTINCT f1) = 10
1
wsrep_local_replays
1
DROP TABLE t1;
DROP TABLE rand_table;