include/master-slave.inc [connection master] set global max_connections=151; include/stop_slave.inc include/start_slave.inc show variables like 'init_slave'; Variable_name Value init_slave set global max_connections=500 show variables like 'max_connections'; Variable_name Value max_connections 500 reset master; show variables like 'init_slave'; Variable_name Value init_slave show variables like 'max_connections'; Variable_name Value max_connections 151 set @my_global_init_connect= @@global.init_connect; set global init_connect="set @c=1"; show variables like 'init_connect'; Variable_name Value init_connect set @c=1 set global init_connect= @my_global_init_connect; set global max_connections= default; include/rpl_end.inc