Ismael Juma updated KAFKA-5726:
    Labels: needs-kip newbie usability  (was: usability)

> KafkaConsumer.subscribe() overload that takes just Pattern without 
> ConsumerRebalanceListener
> --------------------------------------------------------------------------------------------
>                 Key: KAFKA-5726
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5726
>             Project: Kafka
>          Issue Type: Improvement
>          Components: consumer
>    Affects Versions:
>            Reporter: Yeva Byzek
>            Priority: Minor
>              Labels: needs-kip, newbie, usability
> Request: provide {{subscribe(Pattern pattern)}} overload, similar to 
> {{subscribe(Collection<String> topics)}}, 
> Today, for a consumer to subscribe to topics based on a regular expression 
> (i.e. {{Pattern}}), the only method option also requires to pass in a 
> {{ConsumerRebalanceListener}}. This is not user-friendly to require this 
> second argument. It seems {{new NoOpConsumerRebalanceListener()}} has to be 
> used.  
> Use case: multi datacenter, allowing easier subscription to multiple topics 
> prefixed with datacenter names, just by using a pattern subscription.

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