Rachelint commented on PR #11750:
URL: https://github.com/apache/datafusion/pull/11750#issuecomment-2260899751

   > > Seems duckdb has the similar check(but just use the u16 prefix), maybe 
we can mention?
   > > 
https://github.com/duckdb/duckdb/blob/f92559f42c118075baaa8daafc437954eb5c85ec/src/execution/aggregate_hashtable.cpp#L379-L386
   > 
   > The linked PR is interesting: 
[duckdb/duckdb#9575](https://github.com/duckdb/duckdb/pull/9575)
   
   Interesting, it seems the common point with #11718 is that we should 
consider the increasing collision when the hash table is filling up.
   
   > > maybe we can mention?
   > 
   > I am not sure what we would mention 🤔 Maybe can you propose the wording ?
   > 
   > Or maybe we can leave a comment to the duckdb art in one of the comments 
on #11718 ?
   
   Maybe better to leave a comment, seems actually hard to make a good 
conclusion about the discussion in #11718 


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