1. 停止该kafka相关的producer和consumer。
2. 设置如下kafka的配置项:
# yitian added
auto.create.topics.enable=false
delete.topic.enable=true
3. 调用kafka删除topic的命令:
yitian@kafka:~/kafka/kafka_2.11-0.8.2.1$ bin/kafka-topics.sh --delete --zookeeper kafka:2181 --topic ad-events
Topic ad-events is marked for deletion.
Note: This will have no impact if delete.topic.enable is not set to true.
删除后,查看kafka的topic目录如下:
yitian@kafka:~/kafka/kafka_2.11-0.8.2.1$ bin/kafka-topics.sh --list --zookeeper kafka:2181
__consumer_offsets
my-topic
wordcount
zk-topic
然后删除该topic所在的数据文件目录,默认为:
############################# Log Basics #############################
# A comma seperated list of directories under which to store log files
log.dirs=/tmp/kafka-logs
发现这里要删除的ad-events topic仅是标识为marked for deletion,而不是真正的删除,然后进行下一步操作。
4. 登录到zookeeper中,删除该topic的相关node:
yitian@kafka:~$ ./zookeeper/zookeeper-3.4.10/bin/zkCli.sh -server kafka:2181
[zk: kafka:2181(CONNECTED) 0] ls /brokers/topics
[zk-topic, wordcount, my-topic, __consumer_offsets]
[zk: kafka:2181(CONNECTED) 1] delete /brokers/topics/ad-events
并删除admin目录下的需要删除的topic节点,如下。否则,再重新创建该topic时,topic仍处于 “maked for deletion”状态,无法使用。
[zk: kafka:2181(CONNECTED) 0] ls /admin/delete_topics
[ad-events]
[zk: kafka:2181(CONNECTED) 1] delete /admin/delete_topics/ad-events
删除后,然后再查看topic list如下:
yitian@kafka:~/kafka/kafka_2.11-0.8.2.1$ bin/kafka-topics.sh --list --zookeeper kafka:2181
__consumer_offsets
my-topic
wordcount
zk-topic
可以发现,topic删除成功。
参考自:https://blog.youkuaiyun.com/belalds/article/details/80575751