turboFei commented on issue #25795: [SPARK-29037][Core] Spark gives duplicate result when an application was killed URL: https://github.com/apache/spark/pull/25795#issuecomment-532255025 > when `dynamicPartitionOverwrite=true`, we still set up the output committer, will that create the `_temporary` dir? No, setupCommitter will not create the `_temporary` dir, it is created by `committer.setupJob(jobContext)`. > BTW .spark-staging-${UUID} is not a concern. UUID should never conflict. Yes, UUID is not a concern, but we can check the directory name whether started with `.spark-staging`.
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