Ted Yu created KAFKA-5846:
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Summary: Use singleton NoOpConsumerRebalanceListener in
subscribe() call where listener is not specified
Key: KAFKA-5846
URL: https://issues.apache.org/jira/browse/KAFKA-5846
Project: Kafka
Issue Type: Task
Reporter: Ted Yu
Priority: Minor
Currently KafkaConsumer creates instance of NoOpConsumerRebalanceListener for
each subscribe() call where ConsumerRebalanceListener is not specified:
{code}
public void subscribe(Pattern pattern) {
subscribe(pattern, new NoOpConsumerRebalanceListener());
{code}
We can create a singleton NoOpConsumerRebalanceListener to be used in such
scenarios.
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