zsxwing commented on issue #26639: [SPARK-29999][SS] Handle FileStreamSink metadata correctly for empty partition URL: https://github.com/apache/spark/pull/26639#issuecomment-558396649 I think the empty partition optimization seems overkill if every task needs to check file existence for each file. We should fix the root issue and revert this file sink fix. The unit test is great and it's worth to keep it to avoid regressions like this.
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