You need to use the bin / zkCli.sh command to enter zookeeper, and then use the rmr command to delete the following
: cluster: kafka cluster information
config: configuration information
consumer: consumer information
producer: producer information
brokers: cluster information, topic information
admin: Deleted topic
controller: broker.id
controller_epoch of the control node : how many times the cluster has passed the controller to select
isr_change_notification
latest_producer_id_block
