turboFei commented on issue #26339: [SPARK-27194][SPARK-29302][SQL] Fix the issue that for dynamic partition overwrite a task would conflict with its speculative task URL: https://github.com/apache/spark/pull/26339#issuecomment-616061133 I just check two add a test for rename failed case. It seems that, if an exception thrown or task aborted when renaming dynamicStagingFiles. The job would abort. https://github.com/apache/spark/blob/74aed8cc8b94cb459ff12a6e8f1f15cb7aea8c40/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileFormatWriter.scala#L198-L227
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