beliefer commented on code in PR #41545:
URL: https://github.com/apache/spark/pull/41545#discussion_r1226072739
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
##########
@@ -1749,6 +1749,19 @@ object SQLConf {
.checkValue(v => v > 0, "The min partition number must be a positive
integer.")
.createOptional
+ val FILES_MAX_DESIRED_PARTITION_NUM =
buildConf("spark.sql.files.maxDesiredPartitionNum")
+ .doc("The maximum desired number of partitions when reading files. When
the number of " +
+ "partitions calculated for the first time is greater than this value,
recalculate " +
+ s"${FILES_MAX_PARTITION_BYTES.key} so that the final number of
partitions is close to this " +
+ "value. Note that the final calculated number of partitions may be
larger than this value." +
Review Comment:
So, it seems the behavior of `spark.sql.files.maxPartitionBytes` changed.
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