SET SESSION wsrep_trx_fragment_size = 1;
CREATE TABLE ten (f1 INTEGER);
INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
CREATE TABLE t1 (f1 INTEGER AUTO_INCREMENT PRIMARY KEY, f2 INTEGER) Engine=InnoDB;
SET SESSION wsrep_trx_fragment_size = 1;
SET GLOBAL wsrep_slave_threads = 4;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;;
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;;
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;;
SELECT COUNT(*) = 30000 FROM t1;
COUNT(*) = 30000
1
SELECT COUNT(DISTINCT f1) = 30000 FROM t1;
COUNT(DISTINCT f1) = 30000
1
SELECT COUNT(*) = 6 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user';
COUNT(*) = 6
1
DROP TABLE t1;
DROP TABLE ten;