Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/21390#discussion_r190571272
--- Diff: core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala
---
@@ -97,6 +99,10 @@ private[deploy] class Worker(
private val APP_DATA_RETENTION_SECONDS =
conf.getLong("spark.worker.cleanup.appDataTtl", 7 * 24 * 3600)
+ // Whether or not cleanup the non-shuffle files on executor death.
+ private val CLEANUP_NON_SHUFFLE_FILES_ENABLED =
+ conf.getBoolean("spark.storage.cleanupFilesAfterExecutorDeath", true)
--- End diff --
Shall we rename this config to
"spark.storage.cleanupFilesAfterExecutorExit"? Seems from the code that normal
executor exit (dynamic allocation) will also trigger the cleanup, this config
may be a little misleading. Please correct me if I'm wrong.
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