liupc edited a comment on issue #23711: [SPARK-26795][SHUFFLE]Retry remote fileSegmentManagedBuffer when creating inputStream failed during shuffle read phase#SPARK-26795 URL: https://github.com/apache/spark/pull/23711#issuecomment-459734196 +1 for @squito @hustfeiwang I don't think this PR does really help much, because the fetch already has a retry logic(see RetryingBlockFetcher). If you mean probably a disk error, rewrite does not help much because they may hash to the same parent directory. Most of all, it's very likely an earlier writing failure would happen which directly causes FetchFailedException.
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