Hi,

Found this new spark.sql.adaptive.coalescePartitions.parallelismFirst
config property [1] with the default value `true` but the descriptions says
the opposite:

> It's recommended to set this config to false

Is this OK and I'm misreading it?

[1]
https://github.com/apache/spark/blob/54cca7f82ecf23e062bb4f6d68697abec2dbcc5b/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala#L519-L530

Pozdrawiam,
Jacek Laskowski
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