RexXiong commented on PR #3364:
URL: https://github.com/apache/celeborn/pull/3364#issuecomment-3120749256

   > > Under which case might a replica return an empty chunk? As far as I 
know, only files with length > 0 would return.
   > 
   > It occurs when partition data is skewed, and a write operation from the 
primary to the replica fails. In this case, replica file is not empty but may 
not contain chunks within specific map range.
   
   Thank you for the clarification, I see.


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