./kafka-topics.sh --zookeeper localhost:2181 --list
./kafka-topics.sh --zookeeper localhost:2181 --topic topic1 --describe
./kafka-consumer-groups.sh --bootstrap-server localhost:9092 --list
./kafka-consumer-groups.sh --bootstrap-server localhost:9092 --group fooGroup --describe
kafka-console-producer.sh --topic quickstart-events --bootstrap-server localhost:9092
./kafka-console-consumer.sh --topic topic1 --from-beginning --bootstrap-server localhost:9092
rm -rf /tmp/kafka-logs /tmp/zookeeper
./kafka-consumer-groups.sh --bootstrap-server localhost:9092 --delete --group fooGroup
./kafka-consumer-groups.sh --bootstrap-server localhost:9092 --describe --group fooGroup --state
GROUP COORDINATOR (ID) ASSIGNMENT-STRATEGY STATE #MEMBERS
fooGroup 10.129.34.166:9092 (0) range Stable 1
如果 #MEMBERS 不为0则删除组不可执行