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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2016/03/23 10:33:25 UTC

[jira] [Commented] (FLINK-3658) Allow the FlinkKafkaProducer to send data to multiple topics

    [ https://issues.apache.org/jira/browse/FLINK-3658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15208132#comment-15208132 ] 

Aljoscha Krettek commented on FLINK-3658:
-----------------------------------------

Seems legit, this would actually allow multiple outputs from one operator.

> Allow the FlinkKafkaProducer to send data to multiple topics
> ------------------------------------------------------------
>
>                 Key: FLINK-3658
>                 URL: https://issues.apache.org/jira/browse/FLINK-3658
>             Project: Flink
>          Issue Type: Improvement
>          Components: Kafka Connector
>    Affects Versions: 1.0.0
>            Reporter: Robert Metzger
>            Assignee: Robert Metzger
>
> Currently, the FlinkKafkaProducer is sending all events to one topic defined when creating the producer.
> We could allow users to send messages to multiple topics by extending the {{KeyedSerializationSchema}} by a method {{public String getTargetTopic(T element)}} which overrides the default topic if the return value is not null.



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