cloud-fan commented on a change in pull request #28129: [SPARK-31346][SQL]Add
new configuration to make sure temporary directory cleaned
URL: https://github.com/apache/spark/pull/28129#discussion_r404549412
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File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/SaveAsHiveFile.scala
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@@ -140,7 +141,9 @@ private[hive] trait SaveAsHiveFile extends
DataWritingCommand {
try {
createdTempDir.foreach { path =>
val fs = path.getFileSystem(hadoopConf)
- if (fs.delete(path, true)) {
+ // Sometimes (e.g., when speculative task is enabled), temporary
directories may be
+ // left uncleaned, confirmTempDirDeleted can confirm deleteOnExit.
Review comment:
Do you mean even if we delete the temp dir here, some tasks may re-create it
later?
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