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https://issues.apache.org/jira/browse/SPARK-24507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16518287#comment-16518287
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Cody Koeninger commented on SPARK-24507:
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You're welcome to submit a doc PR that clarifies that section is referring to
receiver based implementations, and link to the kafka integration guide for the
direct stream.
I don't think it makes sense to remove it altogether, as there are still
multiple other implementations that extend Receiver.
> Description in "Level of Parallelism in Data Receiving" section of Spark
> Streaming Programming Guide in is not relevan for the recent Kafka direct
> apprach
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-24507
> URL: https://issues.apache.org/jira/browse/SPARK-24507
> Project: Spark
> Issue Type: Documentation
> Components: Documentation, DStreams
> Affects Versions: 2.3.1
> Reporter: Lev Greenberg
> Priority: Minor
>
> [https://spark.apache.org/docs/2.2.0/streaming-programming-guide.html#level-of-parallelism-in-data-receiving]
> describes deprecated "Receiver-based approach" e.g.,:
> _"... each input DStream creates a single receiver (running on a worker
> machine) that receives a single stream of data"._
> _The first paragraph of
> [level-of-parallelism-in-data-receiving|https://spark.apache.org/docs/2.2.0/streaming-programming-guide.html#level-of-parallelism-in-data-receiving]
> section including the following code example should be removed._
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