system sh/stop_dnodes.sh system sh/deploy.sh -n dnode1 -i 1 system sh/cfg.sh -n dnode1 -c wallevel -v 0 system sh/exec.sh -n dnode1 -s start sleep 3000 sql connect print ============= step1 sql close print close1 sql connect print ============= step2 sql close sql connect print ============= step3 sql close sql connect write system sh/exec.sh -n dnode1 -s stop -x SIGINT