Your question is Owning a Pipeline Performance Fix. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me about a time you had to optimize a slow-running data pipeline. What was the bottleneck, how did you identify it, and how did you balance fixing performance with keeping downstream users unblocked?