# Correct Galera library found CREATE TABLE t1 (f1 INT PRIMARY KEY) ENGINE=InnoDB; SET GLOBAL wsrep_provider_repl_max_ws_size=1; SHOW VARIABLES LIKE 'wsrep_provider_repl_max_ws_size'; Variable_name Value wsrep_provider_repl_max_ws_size 1 INSERT INTO t1 VALUES (1); ERROR HY000: Maximum writeset size exceeded SET GLOBAL wsrep_provider_repl_max_ws_size=DEFAULT; SHOW VARIABLES LIKE 'wsrep_provider_repl_max_ws_size'; Variable_name Value wsrep_provider_repl_max_ws_size 2147483647 INSERT INTO t1 VALUES (1); SET GLOBAL wsrep_provider_options='repl.max_ws_size=1'; ERROR HY000: Variable 'wsrep_provider_options' is a read only variable INSERT INTO t1 VALUES (2); SET GLOBAL wsrep_provider='none'; ERROR HY000: Variable 'wsrep_provider' is a read only variable DROP TABLE t1; CALL mtr.add_suppression("transaction size limit"); CALL mtr.add_suppression("rbr write fail"); SELECT VARIABLE_NAME,READ_ONLY FROM information_schema.system_variables where VARIABLE_NAME like '%wsrep_provider_options%'; VARIABLE_NAME READ_ONLY WSREP_PROVIDER_OPTIONS YES