squito commented on issue #24499: [SPARK-25888][Core] Serve local disk persisted blocks by the external service after releasing executor by dynamic allocation URL: https://github.com/apache/spark/pull/24499#issuecomment-491475841 I was also thinking about `RDD.unpersist()` calls. Nothing is going to delete the rdd files if you call unpersist after the original executor has already been removed. But was that already true before? the rdd files wouldn't be removed when the executor was removed, so that behavior isn't really changing here?
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