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Posted to issues@spark.apache.org by "Thomas Decaux (JIRA)" <ji...@apache.org> on 2018/11/29 10:02:00 UTC

[jira] [Created] (SPARK-26214) Add "broadcast" method to DataFrame

Thomas Decaux created SPARK-26214:
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             Summary: Add "broadcast" method to DataFrame
                 Key: SPARK-26214
                 URL: https://issues.apache.org/jira/browse/SPARK-26214
             Project: Spark
          Issue Type: Wish
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Thomas Decaux


As discussed at [https://stackoverflow.com/questions/43984068/does-spark-sql-autobroadcastjointhreshold-work-for-joins-using-datasets-join-op/43994022,] it's possible to force broadcast of DataFrame, even if total size is greater than ``*spark.sql.autoBroadcastJoinThreshold``.*

But this not trivial for beginner, because there is no "broadcast" method (I know, I am lazy ...).

We could add this method, with a WARN if size is greater than the threshold.



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