Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/17189#discussion_r105081718
--- Diff: core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala
---
@@ -577,13 +582,17 @@ private[deploy] class Worker(
val shouldCleanup = finishedApps.contains(id) &&
!executors.values.exists(_.appId == id)
if (shouldCleanup) {
finishedApps -= id
- appDirectories.remove(id).foreach { dirList =>
- logInfo(s"Cleaning up local directories for application $id")
- dirList.foreach { dir =>
- Utils.deleteRecursively(new File(dir))
+ cleanupApplicationThreadExecutor.submit(new Runnable {
--- End diff --
That won't become an issue. The worst case is there will be some pending
tasks in the queue of `cleanupThreadExecutor`. Considering the number of
applications is not huge, it won't be an issue.
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