[jira] [Created] (SPARK-27973) Streaming sample DirectKafkaWordCount should mention GroupId in usage

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

Yuexin Zhang created SPARK-27973:
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             Summary: Streaming sample DirectKafkaWordCount should mention GroupId in usage
                 Key: SPARK-27973
                 URL: https://issues.apache.org/jira/browse/SPARK-27973
             Project: Spark
          Issue Type: Improvement
          Components: Examples
    Affects Versions: 2.4.3
            Reporter: Yuexin Zhang


The DirectKafkaWordCount sample has been updated to take Consumer Group Id as one of the input arguments, but we missed it in the sample usage:

  System.err.println(s"""
        |Usage: DirectKafkaWordCount <brokers> <topics>
        |  <brokers> is a list of one or more Kafka brokers
        |  <groupId> is a consumer group name to consume from topics
        |  <topics> is a list of one or more kafka topics to consume from
        |
        """.stripMargin)

Usage should be : DirectKafkaWordCount <brokers> <groupId> <topics>



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