Github user aarondav commented on a diff in the pull request: https://github.com/apache/spark/pull/2609#discussion_r18322230 --- Diff: core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala --- @@ -202,9 +205,20 @@ private[spark] class Worker( // Spin up a separate thread (in a future) to do the dir cleanup; don't tie up worker actor val cleanupFuture = concurrent.future { logInfo("Cleaning up oldest application directories in " + workDir + " ...") - Utils.findOldFiles(workDir, APP_DATA_RETENTION_SECS) - .foreach(Utils.deleteRecursively) + val appDirs = workDir.listFiles() + if (appDirs == null) { + throw new IOException("ERROR: Failed to list files in " + appDirs) + } + appDirs.filter { dir => { --- End diff -- You do not need the extra bracket after the "dir =>". We use the enclosing bracket's scope.
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