connection node_2; connection node_1; CREATE TABLE ten (f1 INTEGER) ENGINE=InnoDB; INSERT INTO ten VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10); CREATE TABLE t1 (f1 INTEGER PRIMARY KEY AUTO_INCREMENT, f2 VARCHAR(512)) ENGINE=InnoDB; SET SESSION wsrep_trx_fragment_size = 1024 * 1024 * 10; SET AUTOCOMMIT=OFF; START TRANSACTION; INSERT INTO t1 (f2) SELECT REPEAT('x', 512) FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5; connection node_2; SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log; COUNT(*) > 0 1 SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; SELECT COUNT(*) > 50000 FROM t1; COUNT(*) > 50000 1 connection node_1; ROLLBACK; connection node_2; SET SESSION wsrep_sync_wait = 0; SET GLOBAL wsrep_provider_options = 'repl.causal_read_timeout=PT10M'; SET SESSION wsrep_sync_wait = 7; SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log; COUNT(*) = 0 1 SELECT COUNT(*) = 0 FROM t1; COUNT(*) = 0 1 COUNT(*) = 0 1 COUNT(*) = 0 1