alamb commented on PR #11467:
URL: https://github.com/apache/datafusion/pull/11467#issuecomment-2241084024

   > I have no idea what is going on, but unless you have an idea, I can try 
and find the cause next week.
   
   I think there are two possibilities:
   1. The tests are non deterministic (as in they produce different output 
based on some architecture specific property -- like thread scheduling or hash 
values or soemething)
   2. There really is a bug when there are hash collisions
   
   Given the tests pass for some machines I am inclined to believe it is the 
first, but I don't really know for sure without being able to see what the test 
failures are (can you provide some the output of the failed tests?)


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