Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/15951#discussion_r89400157
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
---
@@ -281,33 +361,25 @@ case class DataSource(
// This is a non-streaming file based datasource.
case (format: FileFormat, _) =>
val allPaths = caseInsensitiveOptions.get("path") ++ paths
+ val hadoopConf = sparkSession.sessionState.newHadoopConf()
val globbedPaths = allPaths.flatMap { path =>
val hdfsPath = new Path(path)
- val fs =
hdfsPath.getFileSystem(sparkSession.sessionState.newHadoopConf())
+ val fs = hdfsPath.getFileSystem(hadoopConf)
--- End diff --
> any need for this change? hadoopConf is not reused any where else
this is to avoid creating a new hadoopConf for each path.
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