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https://issues.apache.org/jira/browse/FLINK-4722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542774#comment-15542774
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Sudhanshu Sekhar Lenka commented on FLINK-4722:
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Thnx for your reply.
Is there any configuration or logic available to modify
KafkaConsumer#subscribe() for specific partitions ?
if i have one topic which has 3 partitions(0,1,2). and 3
FlinkKafkaConsumer09 is it possible to subscribe particular partitions.
as inside FlinkKafkaConsumer09 it subscribe to all partitions by default ?
that cause problem of getting duplicate data and filter it again inside flink
which causing performance issue for us.
> Consumer group concept not working properly with FlinkKafkaConsumer09
> -----------------------------------------------------------------------
>
> Key: FLINK-4722
> URL: https://issues.apache.org/jira/browse/FLINK-4722
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Affects Versions: 1.1.2
> Reporter: Sudhanshu Sekhar Lenka
>
> When Kafka one Topic has 3 partition and 3 FlinkKafkaConsumer09 connected to
> that same topic using "group.id" ,"myGroup" property . Still flink consumer
> get all data which are push to each 3 partition . While it work properly
> with normal java consumer. each consumer get specific data.
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