[GitHub] [spark] otterc commented on pull request #34934: [SPARK-37675][CORE][SHUFFLE] Return PushMergedRemoteMetaFailedFetchResult if no available push-merged block

[GitBox <gi...@apache.org>]

otterc commented on pull request #34934:
URL: https://github.com/apache/spark/pull/34934#issuecomment-997221539


   Will take a look on Monday. It's unusual that there isn't even a single chunk because that means that no blocks were merged. If there aren't any blocks that were merged then there shouldn't be a push-merged block for the iterator to fetch at all. In this case there isn't any need to fetch the meta. Seems like that there could be a bug somewhere else where empty mergeStatus for a partition is getting created.


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