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Use case: multi datacenter, allowing easier subscription to multiple topics prefixed with datacenter names, just by using a pattern subscription.

Public Interfaces

The org.apache.kafka.clients.consumer.KafkaConsumer class will have a new method overload: subscribe(Pattern pattern)

Proposed Changes

The org.apache.kafka.clients.consumer.KafkaConsumer class should have a new method overload: subscribe(Pattern pattern) that calls subscribe(Pattern pattern, ConsumerRebalanceListener listener) with new NoOpConsumerRebalanceListener() as the second argument.

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