Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/15829#discussion_r87239264
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -396,6 +396,13 @@ object SQLConf {
.intConf
.createWithDefault(32)
+ val PARALLEL_PARTITION_DISCOVERY_PARALLELISM =
+
SQLConfigBuilder("spark.sql.sources.parallelPartitionDiscovery.parallelism")
+ .doc("The number of parallelism to list a collection of path
recursively, Set the " +
+ "number to prevent file listing from generating too many tasks.")
+ .intConf
+ .createWithDefault(100)
--- End diff --
Should this be internal()? although I tend to agree with your logic, I'd
also love to see if the person who made it 10000 has thoughts. I can't figure
out where it came from via git blame though after several code refactorings.
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