connection node_2; connection node_1; connection node_1; CREATE TABLE t1 (f1 INTEGER AUTO_INCREMENT PRIMARY KEY, node VARCHAR(10)) ENGINE=InnoDB; SELECT @@auto_increment_increment = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'); @@auto_increment_increment = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size') 1 connection node_2; auto_increment_offset_differ 1 connection node_1; INSERT INTO t1 VALUES (DEFAULT, 'node1');; connection node_2; INSERT INTO t1 VALUES (DEFAULT, 'node2');; connection node_1; connection node_2; SELECT @@auto_increment_increment = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'); @@auto_increment_increment = (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size') 1 connection node_1; auto_increment_offset_differ 1 connection node_2; INSERT INTO t1 VALUES (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2'), (DEFAULT, 'node2');; connection node_1; INSERT INTO t1 VALUES (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1'), (DEFAULT, 'node1');; connection node_2; connection node_1; connection node_2; SELECT COUNT(*) = 22 FROM t1; COUNT(*) = 22 1 SELECT COUNT(DISTINCT f1) = 22 FROM t1; COUNT(DISTINCT f1) = 22 1 connection node_1; SELECT COUNT(*) = 22 FROM t1; COUNT(*) = 22 1 SELECT COUNT(DISTINCT f1) = 22 FROM t1; COUNT(DISTINCT f1) = 22 1 DROP TABLE t1;