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From "Lokesh Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-18580) Use spark.streaming.backpressure.initialRate in DirectKafkaInputDStream
Date Thu, 28 Feb 2019 11:05:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-18580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16780381#comment-16780381
] 

Lokesh Kumar commented on SPARK-18580:
--------------------------------------

Hi All, Is this issue fixed in 2.4.0 ??

We need to use backpressure intial rate in Kafka direct stream, can we use it now?

> Use spark.streaming.backpressure.initialRate in DirectKafkaInputDStream
> -----------------------------------------------------------------------
>
>                 Key: SPARK-18580
>                 URL: https://issues.apache.org/jira/browse/SPARK-18580
>             Project: Spark
>          Issue Type: Improvement
>          Components: DStreams
>    Affects Versions: 2.0.2
>            Reporter: Oleg Muravskiy
>            Assignee: Oleksandr Konopko
>            Priority: Major
>
> Currently the `spark.streaming.kafka.maxRatePerPartition` is used as the initial rate
when the backpressure is enabled. This is too exhaustive for the application while it still
warms up.
> This is similar to SPARK-11627, applying the solution provided there to DirectKafkaInputDStream.



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