in pkg/controller/topictransfer/topictransfer_controller.go [486:501]
func buildStopClusterTopicWriteCommand(topic string, cluster string, nameServer string) string {
cmdOpts := []string{
"updatetopic",
"-t",
topic,
"-c",
cluster,
"-p",
"4",
"-w",
"0",
"-n",
nameServer,
}
return strings.Join(cmdOpts, " ")
}