tustvold commented on PR #6427:
URL: https://github.com/apache/arrow-rs/pull/6427#issuecomment-2493911919

   Coming back to this now, I think we could merge this although I am curious 
if there is something funny going on here, which is why this is showing up in 
benchmarks. Someone popped up on discord the other day reporting a 
StringViewArray with ~10k buffers, this would suggest something is likely off 
somewhere.
   
   I wonder if kernels are blindly concatenating identical buffers together, 
instead of using something like Buffer::ptr_eq to avoid a new entry for the 
exact same buffer allocation?


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