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[expand - 1 more] - [spark sql performance] Only 1 executor to write output? - Spark - [mail # user]
...Have you tried the broadcast join? Since the other tables are relativelysmaller in size, a broadcast join would help herehttps://spark.apache.org/docs/latest/sql-performance-tuning.html#broa...
   Author: Akhil Das , 2019-03-25, 12:24
[expand - 1 more] - Where does the Driver run? - Spark - [mail # user]
...If you are starting your "my-app" on your local machine, that's where thedriver is running.[image: image.png]Hope this helps.On Sun, Mar 24, 2019 at 4:13 AM Pat Ferrel  wrote:> I hav...
   Author: Akhil Das , 2019-03-24, 04:27