nsivabalan commented on pull request #4724:
URL: https://github.com/apache/hudi/pull/4724#issuecomment-1057362722


   Just FYI for all interested folks.
   Precombine is not just used to dedup two records within same incoming batch, 
but also to deduce the winner when we [merge records in 
LogRecordReader.](https://github.com/apache/hudi/blob/907e60c252e80be5ef3a848d773e0f866eb609f9/hudi-common/src/main/java/org/apache/hudi/common/table/log/HoodieMergedLogRecordScanner.java#L145)
 
   
   


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