Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/18073#discussion_r118195891
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala
---
@@ -479,7 +479,8 @@ object ParquetFileFormat extends Logging {
partFiles: Seq[FileStatus],
ignoreCorruptFiles: Boolean): Seq[Footer] = {
val parFiles = partFiles.par
- parFiles.tasksupport = new ForkJoinTaskSupport(new ForkJoinPool(8))
+ val pool = new ForkJoinPool(8)
--- End diff --
Not sure if using a shared one will change current behavior.
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