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kafka删除topic

2018年08月13日  | 移动技术网IT编程  | 我要评论

删除已经创建的topic

  删除toipc主要使用:kafka-topics  --delete --zookeeper  zkip:zkport  --topic topicname命令删除;但是如果server.properties文件中delete.topic.enable设置的值是false(默认false),则这个命令只是对topic进行了标记删除,并没有真正的删除对应的文件,这时需要手动去清理文件,具体方法;

1 删除server.properties文件中log.dirs配置的对应目录下的topic文件夹。如果是集群部署的话每个节点都需要自己手动删除;

2 进入zk客户端:zkCli.sh  -server  zkip:zkport,找到对应的topic,执行rmr  /brokers/topic/topicname, rmr  /config/topics/topic-name

经过以上两步,就可以彻底清楚topic

如果server.properties中配置了delete.topic.enable=true,那么直接通过kafka-topics  --delete --zookeeper  zkip:zkport  --topic topicname就可以删除;

另外,测试发现(kafka_2.11-0.10.0.0)如果开始delete.topic.enable=false,然后执行kafka-topics  --delete --zookeeper  zkip:zkport  --topic topicname命令删除了topic,接下来不去zk客户端删除相关的配置以及kafka相关的topic文件,而是将delete.topic.enable修改为true,重启kafka后,会自动删除相关的文件,日志如下:

[2018-08-11 14:24:11,378] INFO Deleting index /shif/data/kafkaData/sf1-0/00000000000000000000.index (kafka.log.OffsetIndex)
[2018-08-11 14:24:11,381] INFO Deleted log for partition [sf1,0] in /shif/data/kafkaData/sf1-0. (kafka.log.LogManager)
[2018-08-11 14:24:11,410] INFO [ReplicaFetcherManager on broker 0] Removed fetcher for partitions [sf2,2] (kafka.server.ReplicaFetcherManager)
[2018-08-11 14:24:11,413] INFO [ReplicaFetcherManager on broker 0] Removed fetcher for partitions [sf2,1] (kafka.server.ReplicaFetcherManager)
[2018-08-11 14:24:11,419] INFO [ReplicaFetcherManager on broker 0] Removed fetcher for partitions [sf2,0] (kafka.server.ReplicaFetcherManager)
[2018-08-11 14:24:11,422] INFO [ReplicaFetcherManager on broker 0] Removed fetcher for partitions [sf2,2] (kafka.server.ReplicaFetcherManager)
[2018-08-11 14:24:11,430] INFO Deleting index /shif/data/kafkaData/sf2-2/00000000000000000000.index (kafka.log.OffsetIndex)
[2018-08-11 14:24:11,430] INFO Deleted log for partition [sf2,2] in /shif/data/kafkaData/sf2-2. (kafka.log.LogManager)
[2018-08-11 14:24:11,582] INFO [ReplicaFetcherManager on broker 0] Removed fetcher for partitions [sf2,1] (kafka.server.ReplicaFetcherManager)
[2018-08-11 14:24:11,591] INFO Deleting index /shif/data/kafkaData/sf2-1/00000000000000000000.index (kafka.log.OffsetIndex)
[2018-08-11 14:24:11,591] INFO Deleted log for partition [sf2,1] in /shif/data/kafkaData/sf2-1. (kafka.log.LogManager)
[2018-08-11 14:24:11,600] INFO [ReplicaFetcherManager on broker 0] Removed fetcher for partitions [sf2,0] (kafka.server.ReplicaFetcherManager)
[2018-08-11 14:24:11,604] INFO Deleting index /shif/data/kafkaData/sf2-0/00000000000000000000.index (kafka.log.OffsetIndex)
[2018-08-11 14:24:11,605] INFO Deleted log for partition [sf2,0] in /shif/data/kafkaData/sf2-0. (kafka.log.LogManager)

其中sf1,sf2为我创建的topic

 

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