turboFei edited a comment on issue #26086: [SPARK-29302] Make the file name of a task for dynamic partition overwrite be unique URL: https://github.com/apache/spark/pull/26086#issuecomment-540982545 Oh, It seems that this issue is related with https://github.com/apache/spark/pull/24142. I just read the comments of that, it seems that there are some risk that cause duplicate result. @ajithme @vanzin @LantaoJin How about using this method to name a task file for the cases below? 1. newTaskTempFile and dynamicPartitionOverwrite is true 2. newTaskTempFileAbsPath Because for these cases, it will keep a filesToMove set, which would not cause duplicate result.
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