nsivabalan commented on issue #4318:
URL: https://github.com/apache/hudi/issues/4318#issuecomment-1015334963


   wrt duplicates, 
   in general, a pair of partition path and record key is unique in hudi. If 
not, you need to use global index or non partitioned dataset if you wish to 
have unique record keys globally. 
   And in addition, preCombine configs has to be set appropriately. 
   
   Feel free to close out the issue it was a mis-configuration on your end. If 
not, we can keep the issue open and discuss further. 
   


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