manuzhang 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-613222514 IIUC, only one task attempt should commit at a time. If so, will there still be conflicts with task speculation when the first task commit successfully ?
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