connection node_2; connection node_1; CREATE TABLE t (c DOUBLE,c2 INT,PRIMARY KEY(c)) ENGINE=InnoDB; INSERT INTO t values (1,1); SELECT GET_LOCK('a',1); ERROR 42000: This version of MariaDB doesn't yet support 'GET_LOCK in cluster (WSREP_ON=ON)' SHOW WARNINGS; Level Code Message Error 1235 This version of MariaDB doesn't yet support 'GET_LOCK in cluster (WSREP_ON=ON)' SELECT * FROM t; c c2 1 1 SELECT RELEASE_LOCK('a'); ERROR 42000: This version of MariaDB doesn't yet support 'RELEASE_LOCK in cluster (WSREP_ON=ON)' SHOW WARNINGS; Level Code Message Error 1235 This version of MariaDB doesn't yet support 'RELEASE_LOCK in cluster (WSREP_ON=ON)' SELECT RELEASE_ALL_LOCKS(); ERROR 42000: This version of MariaDB doesn't yet support 'RELEASE_ALL_LOCKS in cluster (WSREP_ON=ON)' SHOW WARNINGS; Level Code Message Error 1235 This version of MariaDB doesn't yet support 'RELEASE_ALL_LOCKS in cluster (WSREP_ON=ON)' COMMIT; DROP TABLE t;