Hi I am using UDF in hiveContext.sql("") query inside it uses group by which
forces huge data shuffle read of around 30 GB I am thinking to convert above
query into DataFrame so that I avoid using group by.
How do we use Hive UDF in Spark DataFrame? Please guide. Thanks much.
--
View this message in context:
http://apache-spark-user-list.1001560.n3.nabble.com/How-to-Hive-UDF-in-Spark-DataFrame-tp24676.html
Sent from the Apache Spark User List mailing list archive at Nabble.com.
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
