connection node_2; connection node_1; connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3; connection node_1; connection node_2; connection node_3; connection node_2; SET GLOBAL debug_dbug="d,crash_last_fragment_commit_after_fragment_removal"; CREATE TABLE t1 (f1 VARCHAR(30)) ENGINE=InnoDB; SET AUTOCOMMIT=OFF; SET SESSION wsrep_trx_fragment_size=1; START TRANSACTION; INSERT INTO t1 VALUES ('primary'),('primary'),('primary'),('primary'),('primary'); COMMIT; Got one of the listed errors # restart connection node_1; 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 DROP TABLE t1;