Ngone51 commented on a change in pull request #27031: [SPARK-30373][SQL] Avoid
unnecessary sort for ParquetUtils.splitFiles
URL: https://github.com/apache/spark/pull/27031#discussion_r361920840
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetUtils.scala
##########
@@ -112,15 +114,26 @@ object ParquetUtils {
metadata: Seq[FileStatus],
commonMetadata: Seq[FileStatus])
- private def splitFiles(allFiles: Seq[FileStatus]): FileTypes = {
- val leaves = allFiles.toArray.sortBy(_.getPath.toString)
Review comment:
And thanks for providing performance penalty knowledge around here. I agree
that if there' no obviously performance improvement, this may not be such
necessary change.
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