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  1. Spark
  2. SPARK-44305

Broadcast operation is not required when no parameters are specified

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Details

    • Improvement
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • 3.2.0
    • None
    • SQL

    Description

      The ability introduced by SPARK-14912, we can broadcast the parameters of the data source to the read and write operations, but if the user does not specify a specific parameter, the propagation operation will also be performed, which affects the performance has a greater impact, so we need to avoid broadcasting the full Hadoop parameters when the user does not specify a specific parameter

       

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