zsxwing commented on a change in pull request #24154: [SPARK-27210][SS] Cleanup
incomplete output files in ManifestFileCommitProtocol if task is aborted
URL: https://github.com/apache/spark/pull/24154#discussion_r267827367
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/ManifestFileCommitProtocol.scala
##########
@@ -114,7 +117,10 @@ class ManifestFileCommitProtocol(jobId: String, path:
String)
}
override def abortTask(taskContext: TaskAttemptContext): Unit = {
- // Do nothing
- // TODO: we can also try delete the addedFiles as a best-effort cleanup.
+ // best effort cleanup of incomplete files
+ if (addedFiles.nonEmpty) {
+ val fs = new
Path(addedFiles.head).getFileSystem(taskContext.getConfiguration)
+ addedFiles.foreach { file => fs.delete(new Path(file), false) }
Review comment:
I'm okey with the current codes. If one IOException was thrown, the
following delete requests would probably fail since this is the same file
system.
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