Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5136#discussion_r26959388
--- Diff:
core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala ---
@@ -91,7 +90,12 @@ private[spark] class DiskBlockManager(blockManager:
BlockManager, conf: SparkCon
/** List all the files currently stored on disk by the disk manager. */
def getAllFiles(): Seq[File] = {
// Get all the files inside the array of array of directories
- subDirs.flatten.filter(_ != null).flatMap { dir =>
+ subDirs.flatMap { dir =>
--- End diff --
How can you see a file that hasn't been created? it's assigned to the array
after `mkdir()`.
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