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https://issues.apache.org/jira/browse/KAFKA-4295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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huxi reassigned KAFKA-4295:
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    Assignee: huxi

> kafka-console-consumer.sh does not delete the temporary group in zookeeper
> --------------------------------------------------------------------------
>
>                 Key: KAFKA-4295
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4295
>             Project: Kafka
>          Issue Type: Bug
>          Components: admin
>    Affects Versions: 0.9.0.1, 0.10.0.0, 0.10.0.1
>            Reporter: Sswater Shi
>            Assignee: huxi
>            Priority: Minor
>
> I'm not sure it is a bug or you guys designed it.
> Since 0.9.x.x, the kafka-console-consumer.sh will not delete the group 
> information in zookeeper/consumers on exit when without "--new-consumer". 
> There will be a lot of abandoned zookeeper/consumers/console-consumer-xxx if 
> kafka-console-consumer.sh runs a lot of times.
> When 0.8.x.x,  the kafka-console-consumer.sh can be followed by an argument 
> "group". If not specified, the kafka-console-consumer.sh will create a 
> temporary group name like 'console-consumer-xxxx'. If the group name is 
> specified by "group", the information in the zookeeper/consumers will be kept 
> on exit. If the group name is a temporary one, the information in the 
> zookeeper will be deleted when kafka-console-consumer.sh is quitted by 
> Ctrl+C. Why this is changed from 0.9.x.x.



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