Problem
Explain the internal architecture of Apache Spark, specifically focusing on how driver and executor memory is managed during a shuffle operation.
Practicing as: Data Engineer interview at RokuHi, I'll play your Roku interviewer for the Data Engineer role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.
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