[jira] [Assigned] (FLINK-9334) Docs to have a code snippet of Kafka partition discovery

["vinoyang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-9334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

vinoyang reassigned FLINK-9334:
-------------------------------

    Assignee: vinoyang

> Docs to have a code snippet of Kafka partition discovery
> --------------------------------------------------------
>
>                 Key: FLINK-9334
>                 URL: https://issues.apache.org/jira/browse/FLINK-9334
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Juho Autio
>            Assignee: vinoyang
>            Priority: Major
>
> Tzu-Li (Gordon) said:
> {quote}Yes, it might be helpful to have a code snippet to demonstrate the configuration for partition discovery.
> {quote}
>  
> ----
> *Background*
>   
>  The docs correctly say:
>   
> {quote}To enable it, set a non-negative value for +flink.partition-discovery.interval-millis+ in the _provided properties config_
> {quote}
>  
>  So it should be set in the Properties that are passed in the constructor of FlinkKafkaConsumer.
>   
>  I had somehow assumed that this should go to flink-conf.yaml (maybe because it starts with "flink."?), and obviously the FlinkKafkaConsumer doesn't read that.
>   
>  A piece of example code might've helped me avoid this mistake. 
>   
>  This was discussed on the user mailing list:
>  [http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Consumers-Partition-Discovery-doesn-t-work-tp19129p19484.html]



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