StephanEwen commented on issue #9602: [FLINK-13856][checkpoint] Reduce the delete file api when the checkpo… URL: https://github.com/apache/flink/pull/9602#issuecomment-533074514 I think this needs a bit more work. Will follow up with a more detailed review in a few days, but the basic points are: - no tests - not all FS implementations actually support recursive deletes well (object stores are slower in recursive delete than file-by-file delete) - the extracting of shared keyed state handles could use a different approach
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