Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/15868
Thank you for review again, @cloud-fan , @liancheng , and @srowen .
I had the same opinion with @srowen . Also, let's think about the
background of this issue.
Currently, in case of `Dataset`, the users uses `repartition` before
saving, they don't use connection pool to workaround this issue. This PR is
exactly the same with the previous Spark way. IMO, this option is not a worse
behavior to do that.
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