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https://issues.apache.org/jira/browse/SPARK-24056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tathagata Das resolved SPARK-24056.
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Resolution: Fixed
Fix Version/s: 3.0.0
Issue resolved by pull request 21134
[https://github.com/apache/spark/pull/21134]
> Make consumer creation lazy in Kafka source for Structured streaming
> --------------------------------------------------------------------
>
> Key: SPARK-24056
> URL: https://issues.apache.org/jira/browse/SPARK-24056
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.4.0
> Reporter: Tathagata Das
> Assignee: Tathagata Das
> Priority: Minor
> Fix For: 3.0.0
>
>
> Currently, the driver side of the Kafka source (i.e. KafkaMicroBatchReader)
> eagerly creates a consumer as soon as the Kafk aMicroBatchReader is created.
> However, we create dummy KafkaMicroBatchReader to get the schema and
> immediately stop it. Its better to make the consumer creation lazy, it will
> be created on the first attempt to fetch offsets using the KafkaOffsetReader.
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