connection node_2;
connection node_1;
connection node_1;
connection node_2;
connection node_2;
call mtr.add_suppression("WSREP: Failed to create/initialize system thread");
SET GLOBAL debug_dbug='+d,wsrep_simulate_failed_connection_1';
SET GLOBAL wsrep_slave_threads=2;
ERROR HY000: Incorrect arguments to SET
SELECT @@wsrep_slave_threads;
@@wsrep_slave_threads
1
SET GLOBAL debug_dbug='';
SET GLOBAL wsrep_slave_threads=1;
SELECT @@wsrep_slave_threads;
@@wsrep_slave_threads
1