Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17081#discussion_r103862351
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
---
@@ -86,7 +86,7 @@ case class DataSource(
lazy val providingClass: Class[_] =
DataSource.lookupDataSource(className)
lazy val sourceInfo: SourceInfo = sourceSchema()
private val caseInsensitiveOptions = CaseInsensitiveMap(options)
-
+ private lazy val fileStatusCache =
FileStatusCache.getOrCreate(sparkSession)
--- End diff --
what's the life time of this cache?
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