cloud-fan commented on code in PR #53406:
URL: https://github.com/apache/spark/pull/53406#discussion_r2642300188
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core/src/main/scala/org/apache/spark/internal/io/HadoopMapReduceCommitProtocol.scala:
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@@ -178,6 +178,15 @@ class HadoopMapReduceCommitProtocol(
val taskAttemptContext = new
TaskAttemptContextImpl(jobContext.getConfiguration, taskAttemptId)
committer = setupCommitter(taskAttemptContext)
committer.setupJob(jobContext)
+ try {
+ if (dynamicPartitionOverwrite) {
+ val fs = stagingDir.getFileSystem(jobContext.getConfiguration)
+ fs.deleteOnExit(stagingDir)
Review Comment:
let's add code comment to explain why this is necessary.
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