WinkerDu commented on a change in pull request #29000:
URL: https://github.com/apache/spark/pull/29000#discussion_r460664415
##########
File path:
core/src/main/scala/org/apache/spark/internal/io/HadoopMapReduceCommitProtocol.scala
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@@ -106,15 +106,13 @@ class HadoopMapReduceCommitProtocol(
val filename = getFilename(taskContext, ext)
val stagingDir: Path = committer match {
- case _ if dynamicPartitionOverwrite =>
- assert(dir.isDefined,
- "The dataset to be written must be partitioned when
dynamicPartitionOverwrite is true.")
- partitionPaths += dir.get
- this.stagingDir
// For FileOutputCommitter it has its own staging path called "work
path".
case f: FileOutputCommitter =>
+ handleDynamicPartitionOverwrite(dir)
new Path(Option(f.getWorkPath).map(_.toString).getOrElse(path))
- case _ => new Path(path)
+ case _ =>
+ handleDynamicPartitionOverwrite(dir)
Review comment:
Since we leverage FileOutputCommitter to commit task attempt file, we
only need to handle this in 'case f: FileOutputCommitter' branch
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