Actually i take 50 rows in batch and when i see reference rollback but script dosnt stop move forward take another 50 and again and again, for now from 1.5 mln for 2 minutus i have 32 k when i  add small number for batch like 1 ROW, query need 15 min but its good i have 5 k rows which have reference, anyway bro Thank you 🙂