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https://issues.apache.org/jira/browse/BEAM-9760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17105641#comment-17105641
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Alexey Romanenko commented on BEAM-9760:
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Hi [~wongkawah], thanks for details. I see your point but I'm not sure that we
can use "subscribe()" method in KafkaIO because of some internal Beam
limitations. We had a similar discussion a while ago ([see
here|https://issues.apache.org/jira/browse/BEAM-5786?focusedCommentId=16655883&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16655883])
> KafkaIO supports consumer group?
> --------------------------------
>
> Key: BEAM-9760
> URL: https://issues.apache.org/jira/browse/BEAM-9760
> Project: Beam
> Issue Type: Improvement
> Components: io-java-kafka
> Reporter: Ka Wah WONG
> Priority: Minor
>
> It seems only assign method of Kafka Consumer class is called in
> org.apache.beam.sdk.io.kafka.ConsumerSpEL class. According to documentation
> of org.apache.kafka.clients.consumer.KafkaConsumer, manual topic assignment
> through this assign method does not use the consumer's group management
> functionality.
> May I ask if KafkaIO will be enhanced to support consumer's group management
> with using Kafka consumer's subscribe method?
>
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