Github user eyalfa commented on the issue:
https://github.com/apache/spark/pull/17400
in my use case, I aggregate a dataset, the use select to align columns with
a case-class. I later try to join the resulting dataset based on the same
columns used for aggregattion.
the join introduces shuffles (exchange nodes).--- --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
