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https://issues.apache.org/jira/browse/SPARK-44304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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7mming7 closed SPARK-44304.
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> Broadcast operation is not required when no parameters are specified
> --------------------------------------------------------------------
>
>                 Key: SPARK-44304
>                 URL: https://issues.apache.org/jira/browse/SPARK-44304
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: 7mming7
>            Priority: Minor
>
> 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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