WTa-hash commented on issue #2255:
URL: https://github.com/apache/hudi/issues/2255#issuecomment-774546509


   > @nsivabalan - In the original post, if you take a look at the 3rd MOR 
screenshot, you will see that ID=2 shows up twice. If I am reading the read 
optimized table, should it only show ID=2 where __op is NULL since compaction 
hasn't been executed at that time? Why do I see ID=2 where __op = D in the read 
optimized table?
   
   AWS support was able to reproduce this issue with EMR 5.31.0 and Hudi 0.6.0.
   
   I also tried running the same script using Hudi 0.7.0, but experienced the 
same issue.
   
   We are preparing production release and decided to use COW for now.
   
   @nsivabalan 


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