connection node_2; connection node_1; CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB; SET SESSION WSREP_TRX_FRAGMENT_SIZE=1; SET SESSION AUTOCOMMIT=OFF; INSERT INTO t1 VALUES (10); SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log; COUNT(*) > 0 1 connection node_2; SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log; COUNT(*) > 0 1 connection node_1; START TRANSACTION; SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log; COUNT(*) = 0 1 connection node_2; SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log; COUNT(*) = 0 1 SELECT COUNT(*) > 0 FROM t1; COUNT(*) > 0 1 connection node_1; SELECT COUNT(*) > 0 FROM t1; COUNT(*) > 0 1 DROP TABLE t1;