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https://issues.apache.org/jira/browse/SPARK-17935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626774#comment-15626774
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Cody Koeninger commented on SPARK-17935:
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Some other things to think about:
- are there any producer configurations you don't want to support?
- specifically, are you only going to support byte array serializers for
writing key and value?
- if you're only supporting byte array, how do you clearly document for users
how to handle their common use case (i.e. I have one string column I want to be
the key, and the others columns should be json name/value pairs in the message)
> Add KafkaForeachWriter in external kafka-0.8.0 for structured streaming module
> ------------------------------------------------------------------------------
>
> Key: SPARK-17935
> URL: https://issues.apache.org/jira/browse/SPARK-17935
> Project: Spark
> Issue Type: Improvement
> Components: SQL, Streaming
> Affects Versions: 2.0.0
> Reporter: zhangxinyu
>
> Now spark already supports kafkaInputStream. It would be useful that we add
> `KafkaForeachWriter` to output results to kafka in structured streaming
> module.
> `KafkaForeachWriter.scala` is put in external kafka-0.8.0.
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