system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/deploy.sh -n dnode2 -i 2
system sh/deploy.sh -n dnode3 -i 3
system sh/deploy.sh -n dnode4 -i 4

system sh/cfg.sh -n dnode1 -c walLevel -v 0
system sh/cfg.sh -n dnode2 -c walLevel -v 0
system sh/cfg.sh -n dnode3 -c walLevel -v 0
system sh/cfg.sh -n dnode4 -c walLevel -v 0

system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1

system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 4
system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
system sh/cfg.sh -n dnode4 -c mnodeEqualVnodeNum -v 4

print ========= start dnodes
system sh/exec.sh -n dnode1 -s start

sleep 3000
sql connect

sql create database db 
sql create table db.tb (ts timestamp, i int)
sql insert into db.tb values(now, 1)

print ======== start back
run_back general/table/back_insert.sim
sleep 1000

print ======== step1 
$x = 1 	
while $x < 20

    print drop table times $x
	sql drop table db.tb -x step1
	step1:

	sql create table db.tb (ts timestamp, i int)

	sleep 3000
	
	$x = $x + 1
endw

system sh/exec.sh -n dnode1 -s stop -x SIGINT