（info）kafka truncate data of specific topic

Hello kafka I truncate data of kafka as follow 1：stop kafka service 2：delete zookeeper /broker/topics/topic and /consumers/group 3：delete kafka log dir 4：restart kafka service 5：recreate topic info but this way need to stop the service，so how truncate kafka topic data with no stopping kafka serv

（info）how kafka delete the specific topic data

Hello kafka I truncate data of kafka as follow 1：stop kafka service 2：delete zookeeper /broker/topics/topic and /consumers/group 3：delete kafka log dir 4：restart kafka service 5：recreate topic info but this way need to stop the service，so how truncate kafka topic data with no stopping kafka serv