1set global tcp_keepalive_time = 1;
2set global tcp_keepalive_interval =1;
3set global tcp_keepalive_probes=1;
4connect con1,"127.0.0.1",root,,test,$MASTER_MYPORT,;
5disconnect con1;
6connection default;
7set global tcp_keepalive_time= default;
8set global tcp_keepalive_interval= default;
9set global tcp_keepalive_probes=default;
10