January 2018
Beginner to intermediate
234 pages
7h 8m
Chinese
Content preview from Kafka权威指南
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142
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第
9
章
9.2.2
删除群组
只有旧版本的消费者客户端才支持删除群组的操作。删除群组操作将从
Zookeeper
上移除
整个群组，包括所有已保存的偏移量。在执行该操作之前，必须关闭所有的消费者。如
果不先执行这一步，可能会导致消费者出现不可预测的行为，因为群组的元数据已经从
Zookeeper
上移除了。
示例：删除消费者群组
testgroup
。
# kafka-consumer-groups.sh --zookeeper
zoo1.example.com:2181/kafka-cluster --delete --group testgroup
Deleted all consumer group information for group testgroup in
zookeeper.
#
该命令也可以用于在不删除整个群组的情况下删除单个主题的偏移量。再次强调，在进行
删除操作之前，需要先关闭消费者，或者不要让它们读取即将被删除的主题。
示例：从消费者群组
testgroup
里删除
my-topic
主题的偏移量。
# kafka-consumer-groups.sh --zookeeper
zoo1.example.com:2181/kafka-cluster --delete --group testgroup
--topic my-topic
Deleted consumer group information for group testgroup topic
my-topic in ...
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