tibrewalpratik17 commented on issue #12667:
URL: https://github.com/apache/pinot/issues/12667#issuecomment-2004123906

   > I don't think we can do any of the suggested approaches since it won't 
scale. 
   
   Agreed! Any other solution you can think of? Ideally, we should give back 
older record if not the latest. Not giving anything is what makes this issue 
more problematic.
   
   > The gap between add/remove should be on the order of microseconds afaict. 
   
   Yeah! 
   
   > Let's confirm if this is indeed the reason for result mismatch
   
   Note this is not result mismatch but MISSING results to be more precise. We 
are getting records for the primary key usually but intermittently there are NO 
records instead of stale records / mismatched records. And according to my 
preliminary observation it is happening during concurrent updates. 
   


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