turboFei commented on a change in pull request #25795: [SPARK-29037][Core]
Spark gives duplicate result when an application was killed
URL: https://github.com/apache/spark/pull/25795#discussion_r325020928
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File path:
core/src/main/scala/org/apache/spark/internal/io/HadoopMapReduceCommitProtocol.scala
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@@ -160,11 +160,15 @@ class HadoopMapReduceCommitProtocol(
val taskAttemptContext = new
TaskAttemptContextImpl(jobContext.getConfiguration, taskAttemptId)
committer = setupCommitter(taskAttemptContext)
- committer.setupJob(jobContext)
+ if (!dynamicPartitionOverwrite) {
Review comment:
> > I think the staging dir will be cleaned up by
FileOutputCommitter.abortJob().
>
> Why it can't be cleaned when `dynamicPartitionOverwrite=true`?
For the case in PR description, It is happened when appA(static partition
overwrite) is killed and its staging dir is not cleaned up gracefully, then
appB commits parts result of appA.
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