RussellSpitzer commented on PR #11895:
URL: https://github.com/apache/iceberg/pull/11895#issuecomment-2568194825

   I wonder if this is as important if we switch ParallelIterable to use the 
implementation suggested here https://github.com/apache/iceberg/issues/11768 
which limits the queue depth significantly and changes the yielding behavior.
   
   I think it's a good perf change here but I do worry about disconnecting the 
poll/push operations from actually changing the size tracker for the queue. We 
probably aren't actually going to have any issues here though since we are 
already check the size as basically random times without regard to ongoing 
concurrent operations. 


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